Probe, inspection tool, inspection unit, and inspection apparatus

文档序号:1191842 发布日期:2020-08-28 浏览:4次 中文

阅读说明:本技术 探针、检查工具、检查单元和检查装置 (Probe, inspection tool, inspection unit, and inspection apparatus ) 是由 笹野直哉 寺西宏真 酒井贵浩 于 2018-01-11 设计创作,主要内容包括:探针具有:第1接触部和第2接触部;中间部,其配置于第1接触部和第2接触部之间;第1弹性部,其与第1接触部和中间部连接,沿着第1接触部和第2接触部的排列方向伸缩;以及第2弹性部,其与中间部和第2接触部连接,沿着第1接触部和第2接触部的排列方向伸缩,第1弹性部的弹簧常数构成为比第2弹性部的弹簧常数小。(The probe has: the 1 st contact part and the 2 nd contact part; an intermediate portion disposed between the 1 st contact portion and the 2 nd contact portion; a 1 st elastic part which is connected with the 1 st contact part and the middle part and extends and contracts along the arrangement direction of the 1 st contact part and the 2 nd contact part; and a 2 nd elastic part connected to the intermediate part and the 2 nd contact part and extending and contracting in an arrangement direction of the 1 st contact part and the 2 nd contact part, wherein a spring constant of the 1 st elastic part is configured to be smaller than a spring constant of the 2 nd elastic part.)

1. A probe, the probe having:

a plate-shaped 1 st contact part and a plate-shaped 2 nd contact part;

an intermediate portion disposed between the 1 st contact portion and the 2 nd contact portion;

a 1 st elastic portion connected to the 1 st contact portion and the intermediate portion, and extending and contracting in an arrangement direction connecting the 1 st contact portion and the 2 nd contact portion; and

a 2 nd elastic part connected to the intermediate part and the 2 nd contact part and extending and contracting in the arrangement direction,

the spring constant of the 1 st elastic part is smaller than the spring constant of the 2 nd elastic part.

2. The probe according to claim 1, wherein,

a length of a 1 st path between the intermediate portion and the 1 st contact portion of the 1 st elastic portion is different from a length of a 2 nd path between the intermediate portion and the 2 nd contact portion of the 2 nd elastic portion, or a 1 st width, which is a length of the 1 st path in a width direction perpendicular to an extending direction thereof, is different from a 2 nd width, which is a length of the 2 nd path in a width direction perpendicular to an extending direction thereof, or a length of the 1 st path is different from a length of the 2 nd path and the 1 st width is different from the 2 nd width.

3. The probe according to claim 1 or 2, wherein,

the 1 st elastic part and the 2 nd elastic part each have a meandering shape in which a linear band part intersecting the array direction and a curved band part connected to the linear band part are alternately continuous.

4. The probe according to claim 3, wherein,

the number of the bent band parts of the 1 st elastic part is configured to be larger than the number of the bent band parts of the 2 nd elastic part.

5. An inspection tool having:

the probe according to any one of claims 1 to 4; and

a socket having a receiving portion capable of receiving the probe,

the socket has a locking portion that locks the intermediate portion of the probe pin received in the receiving portion in a direction from the 2 nd contact portion toward the 1 st contact portion along the arrangement direction.

6. An inspection unit having at least one inspection tool as claimed in claim 5.

7. An inspection apparatus having at least one inspection unit as claimed in claim 6.

Technical Field

The present invention relates to a probe, an inspection tool having the probe, an inspection unit having the inspection tool, and an inspection apparatus having the inspection unit.

Background

In electronic component modules such as cameras and liquid crystal panels, conduction inspection, operation characteristic inspection, and the like are generally performed in the manufacturing process thereof. These inspections are performed by connecting electrode portions such as FPC contact electrodes for connection to a main substrate provided in an electronic component module or a mounted substrate-to-substrate connector to an inspection apparatus using probes.

As such a probe, for example, there is a probe described in patent document 1. The probe has a pair of contacts that can be brought into contact with electrode terminals of an electronic component and electrode terminals of a connected electronic component, respectively, and a meandering portion that is interposed between the pair of contacts and connects the pair of contacts. In the probe, the contact pressure between each contact and the electrode terminal of the electronic component and the electrode terminal of the connected electronic component is ensured by the meandering portion, and the contact reliability with respect to the electrode terminal of the electronic component and the electrode terminal of the connected electronic component is improved.

Disclosure of Invention

Problems to be solved by the invention

In recent years, with diversification of the inspection object, for example, in order to prevent breakage of the inspection object, the probe is sometimes required to contact the inspection object and the inspection apparatus with different contact loads.

In the probe of patent document 1, since each contact is connected to each of both end portions of the meandering portion which integrally constitutes one elastic portion, the contact may not be brought into contact with the electronic component and the connected electronic component with different contact loads.

The invention aims to provide a probe capable of contacting with an object to be inspected and an inspection device with different contact loads, an inspection tool with the probe, an inspection unit with the inspection tool and an inspection device with the inspection unit.

Means for solving the problems

A probe according to an embodiment of the present invention includes: a plate-shaped 1 st contact part and a plate-shaped 2 nd contact part; an intermediate portion disposed between the 1 st contact portion and the 2 nd contact portion; a 1 st elastic portion connected to the 1 st contact portion and the intermediate portion, and extending and contracting in an arrangement direction connecting the 1 st contact portion and the 2 nd contact portion; and a 2 nd elastic portion connected to the intermediate portion and the 2 nd contact portion and configured to expand and contract in the arrangement direction, wherein a spring constant of the 1 st elastic portion is smaller than a spring constant of the 2 nd elastic portion.

An inspection tool according to an example of the present invention includes: the probe; and a socket having a housing portion capable of housing the probe, the socket having a locking portion that locks both end portions in an extending direction of the intermediate portion of the probe housed in the housing portion in a direction from the 2 nd contact portion toward the 1 st contact portion along the arrangement direction.

The inspection unit according to an example of the present invention includes at least one inspection tool.

The inspection apparatus according to an example of the present invention includes at least one inspection unit.

Effects of the invention

According to the probe, the spring constant of the 1 st elastic part which is connected to the 1 st contact part and the intermediate part and which extends and contracts in the arrangement direction connecting the 1 st contact part and the 2 nd contact part is smaller than the spring constant of the 2 nd elastic part which is connected to the intermediate part and the 2 nd contact part and which extends and contracts in the arrangement direction connecting the 1 st contact part and the 2 nd contact part. This makes it possible to realize a probe that can be brought into contact with an inspection object and an inspection apparatus with different contact loads.

Further, according to the inspection tool, an inspection tool that can be brought into contact with an inspection object and an inspection apparatus having different required contact loads can be realized by using the probe.

Further, according to the inspection unit, the inspection tool can realize an inspection unit that can be brought into contact with an inspection object and an inspection apparatus having different required contact loads.

Further, according to the inspection apparatus, the inspection unit can realize an inspection apparatus which can be brought into contact with an inspection object and an inspection apparatus having different required contact loads.

Drawings

Fig. 1 is a perspective view showing an inspection unit according to an embodiment of the present invention.

Fig. 2 is a perspective view showing an inspection tool according to an embodiment of the present invention.

Fig. 3 is a sectional view taken along the line III-III of fig. 2.

Fig. 4 is a perspective view showing a probe according to an embodiment of the present invention.

Fig. 5 is a plan view of the probe of fig. 4.

FIG. 6 is an enlarged plan view of the 1 st elastic section, the 2 nd elastic section, and the intermediate section of the probe of FIG. 4.

Fig. 7 is a perspective view showing a 1 st modification of the probe of fig. 4.

Fig. 8 is a sectional view of the inspection tool along the line III-III in fig. 2, in which the probe of fig. 7 is housed.

Fig. 9 is a perspective view showing a 2 nd modification of the probe of fig. 4.

Fig. 10 is a cross-sectional view of the inspection tool along the line III-III in fig. 2, in which the probe of fig. 9 is housed.

Fig. 11 is a perspective view showing a 3 rd modification of the probe of fig. 4.

Fig. 12 is a cross-sectional view of the inspection tool along the line III-III in fig. 2, in which the probe of fig. 11 is housed.

Fig. 13 is a perspective view showing a 4 th modification of the probe of fig. 4.

Fig. 14 is a sectional view of the inspection tool along the line III-III in fig. 2, in which the probe of fig. 13 is housed.

Fig. 15 is a perspective view showing a 5 th modification of the probe of fig. 4.

Fig. 16 is a cross-sectional view of the inspection tool along the line III-III in fig. 2, in which the probe of fig. 15 is housed.

Fig. 17 is a perspective view showing a 6 th modification of the probe of fig. 4.

Fig. 18 is a sectional view of the inspection tool along the line III-III in fig. 2, in which the probe of fig. 17 is housed.

Fig. 19 is a perspective view showing a 7 th modification of the probe of fig. 4.

Fig. 20 is a sectional view of the inspection tool along the line III-III in fig. 2, in which the probe of fig. 19 is housed.

Fig. 21 is a perspective view showing an 8 th modification of the probe of fig. 4.

Fig. 22 is a cross-sectional view of the inspection tool along the line III-III in fig. 2, in which the probe of fig. 21 is housed.

Fig. 23 is a cross-sectional view of the inspection tool in which the probe of fig. 21 is housed, taken along the line XXIII-XXIII in fig. 22.

Detailed Description

An example of the present invention will be described below with reference to the drawings. In the following description, terms indicating specific directions or positions (for example, terms including "up", "down", "right" and "left") are used as necessary, but these terms are used for the purpose of facilitating understanding of the present invention with reference to the drawings, and the technical scope of the present invention is not limited by the meaning of these terms. The following description is merely exemplary in nature and is not intended to limit the present invention, the application of the present invention, or the use of the present invention. Further, the drawings are schematic, and ratios of the respective dimensions and the like do not necessarily coincide with actual cases.

The probe 10 according to one embodiment of the present invention has conductivity, and is used in a state of being housed in the socket 3 as shown in fig. 1 and 2, for example, and constitutes the inspection tool 2 together with the socket 3. As an example, a plurality of elongated thin plate-like probes 10 are housed in the inspection tool 2.

Furthermore, the inspection tool 2 forms part of the inspection unit 1. As shown in fig. 1, the inspection unit 1 has a substantially rectangular parallelepiped base housing 4 in which at least one inspection tool 2 is assembled. The base case 4 is composed of a 1 st case 5 having a substantially rectangular plate shape, and a 2 nd case 6 stacked in the plate thickness direction of the 1 st case 5.

As shown in fig. 3, the socket 3 has a substantially rectangular parallelepiped housing 50, and the housing 50 has a 1 st opening surface 51, a 2 nd opening surface 52 facing the 1 st opening surface 51, and a plurality of receiving portions 7 extending in a direction perpendicular to the 1 st opening surface 51 and the 2 nd opening surface 52, respectively. That is, the 1 st opening surface 51 and the 2 nd opening surface 52 constitute one surface of the substantially rectangular parallelepiped case 50.

As shown in fig. 2, the 1 st aperture surface 51 and the 2 nd aperture surface 52 each have a plurality of apertures 53 and 54 (only the aperture 53 of the 1 st aperture surface 51 is shown in fig. 2) arranged in a line and at equal intervals along the longitudinal direction thereof. The openings 53 of the 1 st opening surface 51 and the openings 54 of the 2 nd opening surface 52 are connected to the respective housing portions 7.

Each housing portion 7 has a slit shape, and can house and hold each probe 10 electrically independently of each other, and the housed probes 10 are arranged adjacent to each other in parallel so that the plate surfaces thereof face each other. As shown in fig. 3, each probe 10 is housed in each housing portion 7 as follows: a1 st contact portion 111 to be described later is exposed to the outside of the socket 3 through the opening 53 of the 1 st opening surface 51, and a 3 rd contact portion 121 to be described later is exposed to the outside of the socket 3 through the opening 54 of the 2 nd opening surface 52.

As shown in fig. 3, step portions 55 (an example of a locking portion) are provided on a pair of inner surfaces perpendicular to the 1 st opening surface 51 and the 2 nd opening surface 52 of the inner surface of the housing 50 constituting each housing portion 7, as viewed from the arrangement direction of the housing portions 7 (i.e., the paper surface penetrating direction in fig. 3). The step portions 55 are disposed in the intermediate portions of the 1 st opening surface 51 and the 2 nd opening surface 52 so as to face each other. Further, the width W1 of each of the housing units 7 on the 1 st opening surface 51 side (i.e., the length of each of the housing units 7 in the direction parallel to the 1 st opening surface 51 and the 2 nd opening surface 52 as viewed in the arrangement direction of the housing units 7) is smaller than the width W2 on the 2 nd opening surface 52 side with the stepped portion 55 as a boundary.

As shown in fig. 4, each probe 10 has: a plate-shaped 1 st contact part 11 and a plate-shaped 2 nd contact part 12; a plate-shaped intermediate portion 13 disposed between the 1 st contact portion 11 and the 2 nd contact portion 12; a 1 st elastic part 14 connected to the 1 st contact part 11 and the intermediate part 13; and a 2 nd elastic part 15 connected to the intermediate part 13 and the 2 nd contact part 12. In the probe 10, the 1 st contact portion 11, the 2 nd contact portion 12, the intermediate portion 13, the 1 st elastic portion 14, and the 2 nd elastic portion 15 are integrally formed by, for example, electroforming.

As shown in fig. 5, the 1 st contact part 11 and the 2 nd contact part 12 are arranged in series with each other along a virtual straight line L3, and the virtual straight line L3 extends in the longitudinal direction of the probe 10.

As shown in fig. 5, the 1 st contact portion 11 extends along a straight line L3, a 1 st contact portion 111 is provided at one end portion in the extending direction thereof (i.e., an end portion on the side away from the intermediate portion 13 in the extending direction of the 1 st contact portion 11), and a 1 st elastic portion 14 is connected to the other end portion in the extending direction thereof (i.e., an end portion on the side close to the intermediate portion in the extending direction of the 1 st contact portion 11).

As shown in fig. 5, the 2 nd contact portion 12 extends along a straight line L3, and the 2 nd contact portion 121 is provided at one end portion in the extending direction thereof (i.e., an end portion on the side away from the intermediate portion 13 in the extending direction of the 2 nd contact portion 12).

In the state of being housed in each housing 7, as shown in fig. 2, the 1 st contact portion 111 and the 2 nd contact portion 121 of each probe 10 are disposed on virtual straight lines L1 and L2 parallel to the arrangement direction of each housing 7, respectively.

As shown in fig. 5, the intermediate portion 13 has a substantially rectangular plate shape extending in a direction (for example, a vertical direction) intersecting with an arrangement direction (i.e., an extending direction of the straight line L3) connecting the 1 st contact portion 11 and the 2 nd contact portion 12. The intermediate portion 13 is configured such that a length W3 in the longitudinal direction thereof is the maximum value of the width of the probe 10 (i.e., the length in the direction perpendicular to the extending direction of the straight line L3 when viewed from the plate thickness direction of the probe 10 (i.e., the paper plane penetrating direction in fig. 5)).

As shown in fig. 5, the 1 st elastic part 14 is formed to have an elongated strip shape, and is configured to expand and contract in the arrangement direction connecting the 1 st contact part 11 and the 2 nd contact part 12.

Specifically, as shown in fig. 6, the 1 st elastic portion 14 has a meandering shape in which a plurality of linear band portions 161 and a plurality of curved band portions 162 (in this embodiment, 5 linear band portions 161 and 6 curved band portions 162 as an example) are alternately connected along the extending direction of the straight line L3. Each linear band portion 161 extends in a direction perpendicular to the extending direction of the straight line L3, and at least one of the ends in the extending direction thereof is connected to the curved band portion 162. Each of the curved band portions 162 extends in an arc shape protruding in a direction away from the straight line L3 in a direction perpendicular to the extending direction of the straight line L3, and at least one of the ends in the extending direction thereof is connected to the straight band portion 161. The curved belt portions 162 are arranged such that the projecting direction thereof is alternately reversed along the extending direction of the straight line L3.

One end portion in the extending direction of the curved band portion 162 (i.e., the end portion opposite to the end portion to which the curved band portion 162 is connected in the extending direction of the linear band portion 161) disposed farthest from the intermediate portion 13 in the extending direction of the straight line L3 is connected to the 1 st contact portion 11. Further, one end portion of the curved band portion 162 disposed closest to the intermediate portion 13 in the extending direction of the straight line L3 (i.e., the end portion opposite to the end portion to which the linear band portion 161 is connected in the extending direction of the curved band portion 162) is connected to the intermediate portion 13 at one end side (i.e., the right side in fig. 6) in the extending direction of the intermediate portion 13.

As shown in fig. 5, the 2 nd elastic portion 15 has a plurality of band-shaped elastic pieces (2 band-shaped elastic pieces in this embodiment) 151 and 152 arranged with a gap 153 therebetween, and is configured to expand and contract in the arrangement direction connecting the 1 st contact portion 11 and the 2 nd contact portion 12.

As shown in fig. 6, each of the band-shaped elastic pieces 151 and 152 has an elongated band shape, and has a serpentine shape in which a plurality of linear band portions 171 and a plurality of curved band portions 172 (in this embodiment, 3 linear band portions 171 and 3 curved band portions 172 as an example) are alternately connected along the extending direction of a straight line L3. As with the linear tape portions 161 of the 1 st elastic portion 14, each linear tape portion 171 extends in a direction perpendicular to the direction in which the straight line L3 extends, and at least one of the ends in the direction in which it extends is connected to the curved tape portion 172. Similarly to the curved band portion 162 of the 1 st elastic portion 14, each curved band portion 172 extends in an arc shape protruding in a direction away from the straight line L3 in a direction perpendicular to the extending direction of the straight line L3, and at least one of the ends in the extending direction thereof is connected to the straight band portion 171. The projecting direction of each of the curved belt portions 172 is alternately reversed along the extending direction of the straight line L3.

The other end portion in the extending direction of the linear belt portion 171 (i.e., the end portion opposite to the end portion in the extending direction of the linear belt portion 171 to which the curved belt portion 172 is connected) disposed farthest from the intermediate portion 13 in the extending direction of the straight line L3 is connected to the 2 nd contact portion 12. Further, the other end portion of the curved band portion 172 (i.e., the end portion opposite to the end portion to which the linear band portion 171 is connected in the extending direction of the curved band portion 172) disposed closest to the intermediate portion 13 in the extending direction of the straight line L3 is connected to the intermediate portion 13 at one end side in the extending direction of the intermediate portion 13.

That is, in the probe 10, the length of the 1 st path 61 between the intermediate portion 13 of the 1 st elastic portion 14 and the 1 st contact portion 11 (i.e., the total of the lengths of the respective linear band portions 161 and the respective curved band portions 162 in the extending direction thereof) is different from the length of the 2 nd path 62 between the intermediate portion 13 of the 2 nd elastic portion 15 and the 2 nd contact portion 12 (i.e., the average of the total of the lengths of the respective linear band portions 171 and the respective curved band portions 172 in the extending direction thereof).

The respective belt-shaped elastic pieces 151 and 152 of the 2 nd elastic part 15 are configured such that the sum of the widths (i.e., the lengths of the respective belt-shaped elastic pieces 151 and 152 in the width direction perpendicular to the extending direction of the path between the 2 nd contact part 12 and the intermediate part 13) W5 and W6 is larger than the width (i.e., the length of the 1 st elastic part 14 in the width direction perpendicular to the extending direction of the path between the 1 st contact part 11 and the intermediate part 13) W4 of the 1 st elastic part 14.

That is, in the probe 10, the width of the 1 st path 61 (i.e., the width W4 of the 1 st elastic part 14) and the width of the 2 nd path 62 (i.e., the sum of the widths W5 and W6 of the respective belt-like elastic pieces 151 and 152) are different from each other.

As a result, the spring constant of the 1 st elastic part 14 and the spring constant of the 2 nd elastic part 15 are different. Specifically, the spring constant of the 1 st elastic portion 14 is smaller than that of the 2 nd elastic portion 15. This makes it possible to reduce the contact pressure between the 1 st contact 111 and the inspection object or the inspection device, compared to the contact pressure between the 2 nd contact 121 and the inspection object or the inspection device. That is, the probe 10 can be brought into contact with the inspection object and the inspection apparatus with different contact loads.

In the probe 10, the number of turns of the meandering shape of each of the elastic portions 14 and 15 (i.e., the number of the curved belt portions 162 and 172) is different, so that the length of the 1 st path 61 of the 1 st elastic portion 14 is different from the length of the 2 nd path 62 of the 2 nd elastic portion 15, the width of the 1 st path 61 is different from the width of the 2 nd path 62, and the spring constant of the 1 st elastic portion 14 is different from the spring constant of the 2 nd elastic portion 15, but the present invention is not limited thereto. Any configuration may be adopted as long as the spring constant of the 1 st elastic part 14 is different from the spring constant of the 2 nd elastic part 15. For example, when the probe 10 is made of the same conductive material, the 1 st elastic part 14 and the 2 nd elastic part 15 may be configured as follows: at least one of the length of the paths 61, 62, the width of the paths 61, 62, the plate thickness of the paths 61, 62, and the number of the curved belt portions 162, 172 of the elastic portions 14, 15 is made different. That is, the probe 10 having a high degree of freedom in design can be realized.

Further, according to the probe 10, the 1 st elastic part 14 and the 2 nd elastic part 15 each have such a meandering shape: the linear band parts 161 and 171 intersecting the arrangement direction of the 1 st contact part 11 and the 2 nd contact part 12 and the curved band parts 162 and 172 connected to the linear band parts 161 and 171 are alternately continuous. This makes it possible to easily realize the probe 10 that can be brought into contact with the inspection object and the inspection apparatus with different contact loads.

Further, according to the inspection tool 2, the probe 10 can realize the inspection tool 2 which can be brought into contact with an inspection object and an inspection apparatus having different required contact loads.

As shown in fig. 3, in the inspection tool 2, the probe 10 is housed in the housing portion 7 in a state where both end portions in the extending direction of the intermediate portion 13 are in contact with the step portion 55 provided on the inner surface of the housing 50 of the socket 3. That is, the probe 10 is supported and locked by the step 55 as an example of the locking portion in a direction from the 2 nd contact portion 12 connected to the 2 nd elastic portion 15 having a large spring constant toward the 1 st contact portion 11 connected to the 1 st elastic portion 14 having a small spring constant along the arrangement direction of the 1 st contact portion 11 and the 2 nd contact portion 12. This makes it possible to reliably realize the inspection tool 2 that can be brought into contact with the inspection object and the inspection device having different required contact loads.

Further, according to the inspection unit 1, the inspection unit 1 that can be brought into contact with an inspection object and an inspection device having different required contact loads can be realized by the inspection tool 2.

In addition, the inspection unit 1 can constitute a part of an inspection apparatus. According to this inspection apparatus, the inspection unit 1 can realize an inspection apparatus that can be brought into contact with an inspection object and an inspection apparatus that require different contact loads.

In the probe 10 housed in the inspection tool 2, the linear tape portion 161 of the 1 st elastic portion 14 disposed at the position closest to the 1 st contact portion 11 abuts against the inner surface 503 of the housing 50 facing the 2 nd opening surface 52 constituting the housing portion 7, and the linear tape portion 171 of the 2 nd elastic portion 15 disposed at the position closest to the 2 nd contact portion 12 abuts against the 1 st housing 5 of the base housing 4. That is, in the inspection unit 1, the linear tape portion 161 of the 1 st elastic portion 14 and the linear tape portion 171 of the 2 nd elastic portion 15 are supported by the socket 3 and the base housing 4, and the probe 10 is held in the housing 7.

The 1 st contact portion 11 and the 2 nd contact portion 12 can be appropriately changed in shape or the like according to the design or the like of the probe 10. For example, the shape, position, and the like of the 1 st contact 111 and the 2 nd contact 121 can be appropriately changed according to various types of inspection apparatuses and inspection objects.

The elastic portions 14 and 15 may be configured to expand and contract in the arrangement direction of the 1 st contact portion 11 and the 2 nd contact portion 12, and have different spring constants.

For example, as shown in fig. 7 to 10, the 1 st elastic portion 14 may be formed by a plurality of belt-like elastic pieces arranged with a gap therebetween, or the 2 nd elastic portion 15 may be formed by a single belt-like elastic piece.

In detail, in the probe 10 shown in fig. 7 and 8, the 2 nd elastic part 15 is constituted by a single belt-like elastic piece 154. The belt-like elastic piece 154 of the 2 nd elastic part 15 of the probe 10 of fig. 7 and 8 is configured to have a meandering shape in which 3 linear belt parts 171 and 3 curved belt parts 172 are alternately connected along the extending direction of the probe 10, and the width W7 thereof is larger than the widths W5 and W6 of the respective belt-like elastic pieces 151 and 152 shown in fig. 6.

In the probe 10 shown in fig. 9 and 10, the 1 st elastic part 14 is composed of 2 band-like elastic pieces 141 and 142 arranged with a gap 143 therebetween, and the 2 nd elastic part 15 is composed of a single band-like elastic piece 154. Each of the band-shaped elastic pieces 141 and 142 of the 1 st elastic part 14 of the probe 10 of fig. 9 and 10 has a meandering shape in which 3 linear band parts 161 and 4 curved band parts 162 are alternately connected along the extending direction of the probe 10. The belt-like elastic piece 154 of the 2 nd elastic part 15 of the probe 10 of fig. 9 and 10 is configured to have a meandering shape in which 4 linear belt parts 171 and 4 curved belt parts 172 are alternately connected along the extending direction of the probe 10, and the width W8 thereof is larger than the width W7 of the belt-like elastic piece 154 of the 2 nd elastic part 15 of the probe 10 of fig. 7 and 8.

In the probe 10 shown in fig. 9 and 10, the intermediate portion 13 is provided with a protrusion 190, and the protrusions 190 protrude in opposite directions from both ends in the extending direction of the intermediate portion 13 along the extending direction of the intermediate portion 13. The probe 10 shown in fig. 9 and 10 is housed in the housing 7 in a state where the inner surface 501 of the housing 50 of the socket 3 is pressed by the projection 190 of the intermediate portion 13. As shown in fig. 10, in a state where the probe 10 is accommodated in the accommodating portion 7 of the housing 50, the linear band portion 161 of the band-shaped elastic piece 141 of the 1 st elastic portion 14 disposed at the position closest to the 1 st contact portion 11 abuts against the inner surface 503 of the housing 50 facing the 2 nd opening surface 52 constituting the accommodating portion 7. That is, the probe 10 is locked in the direction from the 2 nd contact portion 12 connected to the 2 nd elastic portion 15 having a large spring constant toward the 1 st contact portion 11 connected to the 1 st elastic portion 14 having a small spring constant along the arrangement direction of the 1 st contact portion 11 and the 2 nd contact portion 12 by the inner surface 501 of the housing 50 and the inner surface 503 facing the 2 nd opening surface 52, which are examples of the locking portion.

In the housing 50 of the socket 3 shown in fig. 10, the probe 10 is locked by the inner surface 501 of the housing 50 and the inner surface 503 facing the 2 nd opening surface 52, and therefore, the step portion 55 is not provided, but the housing 50 having the step portion 55 may be used.

For example, as shown in fig. 11 and 12, the 2 nd elastic portion 15 may be configured by 2 elastic units 155 connected in series in the extending direction of the probe 10.

In detail, as shown in fig. 12, each elastic unit 155 is composed of: a connecting band portion 180 extending along the extending direction of the probe 10; a pair of linear band portions 181 extending in the width direction perpendicular to the extending direction of the probe 10 and arranged with a gap in the extending direction of the probe 10; and a curved band portion 182 that connects the end portions of the connecting band portions 180 of the respective linear band portions 181 that are disposed on the same side. The curved band portion 182 extends in an arc shape protruding in a direction away from the coupling band portion 180 in a direction perpendicular to the extending direction of the probe 10.

The coupling band portion 180 of the elastic unit 155 on the 1 st contact portion 11 side in the extending direction of the probe 10 (hereinafter referred to as the 1 st elastic unit 155) is connected to a substantially central portion of the intermediate portion 13 in the extending direction thereof and a substantially central portion of the linear band portion 181 on the 1 st contact portion 11 side of the 1 st elastic unit 155. Further, the coupling band portion 180 of the elastic unit 155 on the 2 nd contact portion 12 side in the extending direction of the probe 10 (hereinafter referred to as the 2 nd elastic unit 155) is connected to a substantially central portion of the linear band portion 181 on the 2 nd contact portion 12 side of the 1 st elastic unit 155 and the linear band portion 181 on the 1 st contact portion 11 side of the 2 nd elastic unit 155. Further, the 2 nd contact portion 12 is connected to a substantially central portion of the 2 nd elastic unit 155 on the 2 nd contact portion 12 side of the linear belt portion 181.

That is, the elastic portions 14 and 15 are not limited to the meandering shape formed by the linear band portions 161 and 171 and the curved band portions 162 and 172, and may have another structure capable of securing the contact pressure between the contact portions 111 and 121 and the inspection apparatus or the inspection object.

The 2 nd elastic portion 15 is not limited to the case of being configured by connecting 2 elastic units 155, and may be configured by only using 1 elastic unit 155, or may be configured by connecting 3 or more elastic units 155. Further, the 1 st elastic portion 14 may be configured by a plurality of elastic units 155.

Further, for example, as shown in fig. 13 and 14, the 2 nd elastic portion 15 may be configured as follows: the 2 nd contact portion 12 is disposed apart from the straight line L3 in a direction perpendicular to the extending direction of the probe 10 when viewed from the thickness direction of the probe 10 (i.e., the 1 st contact portion 111 and the 2 nd contact portion 121 are offset).

In detail, in the probe 10 of fig. 13 and 14, the 2 nd contact part 12 is constituted by a single band-shaped elastic piece 156. The belt-like elastic piece 156 of the 2 nd elastic part 15 of the probe 10 in fig. 13 and 14 has a meandering shape in which 2 linear belt parts 171 and 3 curved belt parts 172 are alternately connected along the extending direction of the probe 10, and has substantially the same width as the width W4 of the 1 st elastic part 14.

The socket 3 that houses the probe 10 of fig. 13 and 14 is provided with an opening 56 in the side wall 502 of the housing 50 that is away from one of the straight lines L3 in the direction perpendicular to the straight line L3. The opening 56 extends from the step portion 55 to the 2 nd opening surface 52 in the extending direction of the straight line L3, and is connected to the housing portion 7 and the opening 54 of the 2 nd opening surface 52. The probe 10 shown in fig. 13 and 14 is housed in the housing 7 in a state where the 2 nd contact portion 12 is exposed to the outside of the case 50 from the opening 54 of the 2 nd opening surface 52 and the opening 56 of the side wall 502 of the case 50.

Instead of the 2 nd elastic portion 15, the 1 st elastic portion 14 may be configured such that the 1 st contact portion 111 and the 2 nd contact portion 121 are biased.

The intermediate portion 13 is not limited to a plate shape extending in a direction intersecting the arrangement direction connecting the 1 st contact portion 11 and the 2 nd contact portion 12. For example, as shown in fig. 15 and 16, the intermediate portion 13 may be constituted by a plate-shaped main body portion 130 extending in a direction perpendicular to the arrangement direction of the 1 st contact portion 11 and the 2 nd contact portion 12, and a 1 st arm portion 131 and a 2 nd arm portion 132 provided at both ends in the extending direction of the main body portion 130. The 1 st arm portion 131 extends from the surface of the one end portion (i.e., the right end portion in fig. 16) of the intermediate portion 13 on the 1 st contact portion 11 side in the extending direction thereof toward the 1 st contact portion 11 along the extending direction of the probe 10. The 2 nd arm 132 extends from the surface of the other end portion (i.e., the left end portion in fig. 16) of the intermediate portion in the extending direction, which is closer to the 2 nd contact portion 12, toward the 2 nd contact portion 12 along the extending direction of the probe 10.

As shown in fig. 16, in a state where the probe 10 is accommodated in the accommodating portion 7 of the housing 50, the distal end portion 133 of the 1 st arm portion 131 abuts against the inner surface 503 of the housing 50, which faces the 2 nd opening surface 52, of the housing 7 constituting the housing 50, and the distal end portion 134 of the 2 nd arm portion 132 abuts against the 1 st housing 5 of the base housing 4. That is, the inner surface 503 of the housing 50 facing the 2 nd opening surface 52 of the housing 50 constituting the housing portion 7 of the housing 50 constitutes a locking portion that locks the intermediate portion 13 of the probe 10 housed in the housing portion 7 in the direction from the 2 nd contact portion 12 toward the 1 st contact portion 11 along the array direction. In the probe 10 shown in fig. 15 and 16, the 1 st arm 131 and the 2 nd arm 132 of the intermediate portion 13 are supported by the socket 3 and the base housing 4, and the probe 10 is held in the housing 7.

In the housing 50 of the socket 3 shown in fig. 16, the probe 10 is locked by the inner surface 503 of the housing 50 facing the 2 nd opening surface 52, and therefore, the step portion 55 is not provided, but the housing 50 having the step portion 55 may be used.

For example, as shown in fig. 17 and 18, the intermediate portion 13 may be formed of: a plate-shaped main body 130 extending in a direction perpendicular to the arrangement direction of the 1 st contact part 11 and the 2 nd contact part 12; and a 3 rd arm portion 135 and a 4 th arm portion 136 provided at one end portion in the extending direction of the main body portion 130 and extending in the opposite direction to the intermediate portion 13 along the extending direction of the probe 10. The 3 rd arm portion 135 extends from the 1 st contact portion 11 side of one end portion (i.e., the right end portion in fig. 18) of the intermediate portion 13 in the extending direction thereof toward the 1 st contact portion 11 along the extending direction of the probe 10. Further, an abutting portion 137 is provided at the distal end portion of the 3 rd arm portion 135, and the abutting portion 137 extends from the 3 rd arm portion 135 toward the 1 st contact portion 11 substantially in parallel with the main body portion 130. Further, the 4 th arm portion 136 extends from the 2 nd contact portion 12 side of one end portion (i.e., the right end portion in fig. 18) of the intermediate portion 13 in the extending direction thereof toward the 2 nd contact portion 12 along the extending direction of the probe 10. Further, an abutting portion 138 is provided at the distal end portion of the 4 th arm portion 136, and the abutting portion 138 extends from the 4 th arm portion 136 toward the 2 nd contact portion 12 substantially in parallel with the main body portion 130. The 1 st elastic portion 14 and the 2 nd elastic portion 15 are connected to the other end portion (i.e., the left end portion in fig. 18) of the intermediate portion 13 in the extending direction of the main body portion 130.

As shown in fig. 18, in a state where the probe 10 is housed in the housing portion 7 of the housing 50, the contact portion 137 of the 3 rd arm portion 135 contacts the inner surface 503 of the housing 50 facing the 2 nd opening surface 52, which constitutes the housing portion 7 of the housing 50, and the contact portion 138 of the 4 th arm portion 136 contacts the 1 st housing 5 of the base housing 4. That is, the inner surface 503 of the housing 50 facing the 2 nd opening surface 52, which constitutes the housing portion 7 of the housing 50, constitutes a locking portion that locks the intermediate portion 13 of the probe 10 housed in the housing portion 7 in the direction from the 2 nd contact portion 12 toward the 1 st contact portion 11 along the array direction. In the probe 10 shown in fig. 17 and 18, the contact portion 137 of the 3 rd arm portion 135 and the contact portion 138 of the 4 th arm portion 136 of the intermediate portion 13 are supported by the socket 3 and the base housing 4, and the probe 10 is held in the housing portion 7.

In the housing 50 of the socket 3 shown in fig. 18, the probe 10 is locked by the inner surface 503 of the housing 50 facing the 2 nd opening surface 52, and therefore, the step portion 55 is not provided, but the housing 50 having the step portion 55 may be used.

The 2 nd elastic portion 15 is not limited to the case of being constituted by 2 band-like elastic pieces 151 and 152, and may be constituted by 4 band-like elastic pieces 191, 192, 193, and 194, for example, as shown in fig. 19 and 20. The 2 nd elastic portion 15 may be formed of a single band-shaped elastic sheet, 3 band-shaped elastic sheets, or 5 or more band-shaped elastic sheets.

For example, as shown in fig. 21 and 22, the intermediate portion 13 may be provided with a through hole 139 penetrating in the plate thickness direction. In the probe 10 shown in fig. 21 and 22, the intermediate portion 13 has a substantially rectangular shape, and a substantially circular through hole 139 is provided in the central portion thereof. As shown in fig. 22, a 1 st elastic portion 14 is connected to a surface of the intermediate portion 13 on the 1 st contact portion 11 side in the extending direction of the probe 10 and to one end portion in the direction perpendicular to the extending direction of the probe 10 (i.e., the right end portion in fig. 22), and a 2 nd elastic portion 15 is connected to a surface of the intermediate portion 13 on the one end portion side in the direction perpendicular to the extending direction of the probe 10 and to the 2 nd contact portion 12 side in the extending direction of the probe 10.

As shown in fig. 22, in a state where the probe 10 is accommodated in the accommodating portion 7 of the housing 50, the linear tape portion 161 of the 1 st elastic portion 14 disposed at a position closest to the 1 st contact portion 11 abuts against the inner surface 503 of the housing 50 facing the 2 nd opening surface 52 constituting the accommodating portion 7, and the linear tape portion 171 of the 2 nd elastic portion 15 abuts against the 1 st housing 5 of the base housing 4. That is, the probe 10 shown in fig. 21 and 22 is configured such that the linear tape portion 161 of the 1 st elastic portion 14 and the linear tape portion 171 of the 2 nd elastic portion 15 are supported by the socket 3 and the base housing 4, and the probe 10 is held in the housing portion 7.

Similarly to the socket 3 shown in fig. 14, the housing 50 of the socket 3 housing the probe 10 shown in fig. 21 and 22 has the opening 56 in the side wall 502 of the housing 50 that is away from the straight line L3 in the direction perpendicular to the straight line L3 when viewed in the plate thickness direction of the probe 10. The housing 50 of the receptacle 3 is provided with coupling holes 504 extending along the arrangement direction of the storage units 7 (i.e., the direction of penetration of the paper in fig. 22) and communicating with the storage units 7.

As shown in fig. 23, stepped portions 57 are provided at both ends of the housing 50 in the arrangement direction of the housing portions 7, and the width of the stepped portions 57 in the arrangement direction of the housing portions 7 is narrowed from the 2 nd opening surface 52 toward the 1 st opening surface 51. Each probe 10 is integrated by a substantially cylindrical connecting rod portion 58 disposed in the through hole 139 of the intermediate portion 13, and is accommodated in the corresponding accommodating portion 7. The connecting rod portion 58 is disposed in the connecting hole portion 504, and both ends in the extending direction thereof are locked by the stepped portions 57 of the housing 50. That is, the inner surface 503 of the housing 50 facing the 2 nd opening surface 52 and the step portion 57 locking the connecting rod portion 58, which constitute the housing portion 7 of the housing 50, constitute a locking portion locking the intermediate portion 13 of the probe 10 housed in the housing portion 7 in the direction from the 2 nd contact portion 12 toward the 1 st contact portion 11 along the arrangement direction.

The structure of the inspection tool 2 and the base housing 4 can be appropriately changed according to various types of inspection devices and inspection objects. That is, the inspection tool 2 and the base housing 4 are made common, and the productivity of the inspection unit 1 (and hence the inspection apparatus) can be improved.

Various embodiments of the present invention have been described in detail with reference to the drawings, but finally, various embodiments of the present invention will be described. In the following description, reference numerals are added to the description as an example.

The probe 10 according to embodiment 1 of the present invention includes: a plate-shaped 1 st contact part 11 and a plate-shaped 2 nd contact part 12; an intermediate portion 13 disposed between the 1 st contact portion 11 and the 2 nd contact portion 12; a 1 st elastic portion 14 connected to the 1 st contact portion 11 and the intermediate portion 13 and extending and contracting in an arrangement direction connecting the 1 st contact portion 11 and the 2 nd contact portion 12; and a 2 nd elastic portion 15 connected to the intermediate portion 13 and the 2 nd contact portion 12 and extending and contracting in the arrangement direction, wherein a spring constant of the 1 st elastic portion 14 is configured to be smaller than a spring constant of the 2 nd elastic portion 15.

According to the probe 10 of the first aspect, the 1 st elastic part 14 is connected to the 1 st contact part 11 and the intermediate part 13 and expands and contracts in the arrangement direction connecting the 1 st contact part 11 and the 2 nd contact part 12, the 2 nd elastic part 15 is connected to the intermediate part 13 and the 2 nd contact part 12 and expands and contracts in the arrangement direction connecting the 1 st contact part 11 and the 2 nd contact part 12, and the spring constant of the 1 st elastic part 14 is configured to be smaller than the spring constant of the 2 nd elastic part 15. This makes it possible to realize the probe 10 that can be brought into contact with the inspection object and the inspection apparatus with different contact loads.

In the probe 10 according to the 2 nd aspect of the present invention, a length of the 1 st path 61 between the intermediate portion 13 of the 1 st elastic portion 14 and the 1 st contact portion 11 is different from a length of the 2 nd path 62 between the intermediate portion 13 of the 2 nd elastic portion 15 and the 2 nd contact portion 12, or a 1 st width, which is a length of the 1 st path 61 in a width direction perpendicular to an extending direction thereof, is different from a 2 nd width, which is a length of the 2 nd path 62 in a width direction perpendicular to the extending direction thereof, or a length of the 1 st path 61 is different from a length of the 2 nd path 62 and the 1 st width is different from the 2 nd width.

According to the probe 10 of the embodiment 2, the probe 10 having a high degree of freedom in design can be realized.

In the probe 10 according to claim 3 of the present invention, the 1 st elastic part 14 and the 2 nd elastic part 15 each have a meandering shape in which linear band parts 161 and 171 intersecting the array direction and curved band parts 162 and 172 connected to the linear band parts 161 and 171 are alternately continuous.

According to the probe 10 of the embodiment 3, the probe 10 which can be brought into contact with the inspection object and the inspection apparatus with different contact loads can be easily realized.

In the probe 10 according to the 4 th aspect of the present invention, the number of the curved band parts 162 of the 1 st elastic part 14 is configured to be larger than the number of the curved band parts 172 of the 2 nd elastic part 15.

According to the probe 10 of the 4 th aspect, the probe 10 having a high degree of freedom in design can be realized.

An inspection tool 2 according to claim 5 of the present invention includes: the probe 10 according to any one of aspects 1 to 4; and a socket 3 having a housing portion capable of housing the probe, wherein the socket 3 has a locking portion 55, 501, 503, 57, and the locking portion 55, 501, 503, 57 locks the intermediate portion 13 of the probe 10 housed in the housing portion 7 in a direction from the 2 nd contact portion 12 toward the 1 st contact portion 11 along the arrangement direction.

According to the inspection tool 2 of the 5 th aspect, the probe 10 can realize the inspection tool 2 that can be brought into contact with an inspection object and an inspection device having different required contact loads.

The inspection unit 1 according to claim 6 of the present invention includes at least one inspection tool.

According to the inspection unit 1 of the 6 th aspect, the inspection tool 2 can realize the inspection unit 1 that can be brought into contact with an inspection object and an inspection device having different required contact loads.

The inspection apparatus according to claim 7 of the present invention includes at least one inspection unit 1.

According to the inspection apparatus of claim 7, an inspection apparatus that can be brought into contact with an inspection object and an inspection apparatus having different required contact loads can be realized.

In addition, any of the various embodiments or modifications described above can be appropriately combined to exhibit the respective effects. Further, combinations of the embodiments or examples or combinations of the embodiments and examples can be made, and combinations of features in different embodiments or examples can also be made.

Industrial applicability

The probe of the present invention can be applied to an inspection tool used for inspecting a liquid crystal panel, for example.

The inspection tool of the present invention can be applied to an inspection unit used for inspecting a liquid crystal panel, for example.

The inspection unit of the present invention can be applied to, for example, an inspection device for a liquid crystal panel.

The inspection apparatus of the present invention can be used for inspecting a liquid crystal panel, for example.

Description of the reference symbols

1 inspection Unit

2 inspection tool

3 socket

4 basic shell

5 the 1 st housing

6 nd 2 casing

7 receiving part

10 Probe

11 st contact part

111 st contact part

12 nd contact part 2

121 nd 2 nd contact part

13 middle part

130 main body part

131. 132, 135, 136 arm part

133. 134 terminal portion

137. 138 abutting portion

139 through hole part

14 st elastic part

141. 142 strip-shaped elastic piece

143 gap

15 nd 2 nd elastic part

151. 152, 154, 156, 191, 192, 193, 194 strip-like elastic sheet

153 gap

155 elastic unit

161. 171, 181 straight belt part

162. 172, 182 bent band portion

180 connecting band part

190 projecting part

50 outer cover

501 inner side surface

502 side wall

503 inner surface

504 connecting hole

51 1 st opening surface

52 nd opening surface

53. 54, 56 opening part

55. 57 step part

58 connecting rod part

61 route 1

62 nd path 2

Lines L1-L3

W1-W8 width.

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