阅读说明：本技术 纳米粒子薄膜开关的制造方法 (Method for manufacturing nano particle film switch ) 是由 孙伯柱 于 2020-04-30 设计创作，主要内容包括：纳米粒子薄膜开关的制造方法。将聚脂丝网网版固定于丝网印刷机,通过刮板将导电银浆印刷在0.075 mm,厚电晕处理过的ZnO纳米粒子薄膜上,然后放置在80-120℃的烘箱固化25-35 min；导电银浆层固化后,选用聚脂网版在无需接触的银浆线路上印刷一层光固型绝缘油墨,过UV曝光机的紫外光通道完成固化；在外连接的导电银浆线路上印19刷一层导电碳浆;用激光切割机或者模具把ZnO纳米粒子薄膜按薄膜开关的外形切割出来,而中间层0.1 mm厚ZnO纳米粒子薄膜在相应上、下点接触的部分也切掉;最后,用防水粘胶把上层、中间与下层三层薄膜组装覆合。本发明用于纳米粒子薄膜开关的制造。(A method for manufacturing a nanoparticle membrane switch. Fixing a polyester screen printing plate on a screen printer, printing conductive silver paste on a ZnO nano particle film with the thickness of 0.075 mm and subjected to corona treatment by a scraper, and then placing the ZnO nano particle film in an oven at the temperature of 80-120 ℃ for curing for 25-35 min; after the conductive silver paste layer is cured, selecting a polyester screen printing plate to print a layer of light-cured insulating ink on the silver paste circuit which does not need to be contacted, and finishing curing through an ultraviolet light channel of a UV exposure machine; printing 19 a layer of conductive carbon paste on the conductive silver paste circuit connected with the outside, cutting the ZnO nano particle film according to the shape of the film switch by using a laser cutting machine or a die, cutting off the contact part of the ZnO nano particle film with the thickness of 0.1 mm at the corresponding upper and lower points of the middle layer, and finally assembling and covering the upper layer film, the middle layer film and the lower layer film by using waterproof adhesive. The invention is used for manufacturing the nano particle membrane switch.)

1. A manufacturing method of a nano particle film switch is characterized in that a polyester screen printing plate is fixed on a screen printer, conductive silver paste is printed on a ZnO nano particle film with the thickness of 0.075 mm and subjected to corona treatment through a scraper, and then the ZnO nano particle film is placed in an oven with the temperature of 80-120 ℃ for curing for 25-35 min; after the conductive silver paste layer is cured, selecting a polyester screen printing plate to print a layer of light-cured insulating ink on the silver paste circuit which does not need to be contacted, and finishing curing through an ultraviolet light channel of a UV exposure machine; printing 19 a layer of conductive carbon paste on the conductive silver paste circuit connected externally, cutting the ZnO nano particle film out according to the shape of the film switch by using a laser cutting machine or a die, cutting off the contact part of the ZnO nano particle film with the thickness of 0.1 mm in the middle layer at the corresponding upper and lower points, and finally assembling and laminating the upper layer film, the middle layer film and the lower layer film by using waterproof adhesive.

2. The method for manufacturing the nanoparticle thin-film switch according to claim 1, wherein the screen printing machine has process parameters selected from the group consisting of: the pressure applied to the screen printing plate by the scraper is 0.3-0.4 MPa, the printing moving speed of the scraper is 0.2-0.3 m/s, and the included angle between the scraper and the horizontal line is 45-60 degrees.

3. The method for manufacturing the nano particle film switch according to claim 1, wherein a polyester screen printing plate is fixed on a screen printer, conductive silver paste is printed on the ZnO nano particle film with the thickness of 0.075 mm through a scraper, and then the ZnO nano particle film is placed in an oven at 100 ℃ for curing for 30 min; after the conductive silver paste layer is cured, selecting a polyester screen printing plate to print a layer of light-cured insulating ink on the silver paste circuit which does not need to be contacted, and finishing curing through an ultraviolet light channel of a UV exposure machine; printing 19 a layer of conductive carbon paste on the conductive silver paste circuit connected externally, cutting the ZnO nano particle film out according to the shape of the film switch by using a laser cutting machine or a die, cutting off the contact part of the ZnO nano particle film with the thickness of 0.1 mm in the middle layer at the corresponding upper and lower points, and finally assembling and laminating the upper layer film, the middle layer film and the lower layer film by using waterproof adhesive.

4. The method for manufacturing the nanoparticle thin-film switch as claimed in claim 2, wherein the screen printing machine has process parameters selected from: the pressure applied to the screen by the squeegee was 0.3MPa, the squeegee printing speed was 0.2 m/s, and the squeegee included an angle of 45 degrees with the horizontal line.

5. The method for manufacturing the nanoparticle thin-film switch as claimed in claim 2, wherein the screen printing machine has process parameters selected from: the pressure applied to the screen by the squeegee was 0.4 MPa, the squeegee printing speed was 0.3 m/s, and the squeegee included an angle of 60 degrees with the horizontal line.

The technical field is as follows:

the invention relates to a method for manufacturing a nano particle membrane switch.

Background art:

the traditional membrane switch has the problems that the traditional membrane switch cannot be waterproof and dustproof, and an internal circuit is easy to oxidize.

The invention content is as follows:

an object of the present invention is to provide a method of manufacturing a nanoparticle membrane switch that effectively ensures the reliability and durability of the membrane switch.

The above purpose is realized by the following technical scheme:

a manufacturing method of a nano particle film switch comprises the steps of fixing a polyester screen printing plate on a screen printer, printing conductive silver paste on a ZnO nano particle film with the thickness of 0.075 mm and subjected to corona treatment through a scraper, and then placing the ZnO nano particle film in an oven with the temperature of 80-120 ℃ for curing for 25-35 min; after the conductive silver paste layer is cured, selecting a polyester screen printing plate to print a layer of light-cured insulating ink on the silver paste circuit which does not need to be contacted, and finishing curing through an ultraviolet light channel of a UV exposure machine; printing 19 a layer of conductive carbon paste on the conductive silver paste circuit connected externally, cutting the ZnO nano particle film out according to the shape of the film switch by using a laser cutting machine or a die, cutting off the contact part of the ZnO nano particle film with the thickness of 0.1 mm in the middle layer at the corresponding upper and lower points, and finally assembling and laminating the upper layer film, the middle layer film and the lower layer film by using waterproof adhesive.

In the manufacturing method of the nanoparticle membrane switch, the process parameters of the screen printing machine are all selected as follows: the pressure applied to the screen printing plate by the scraper is 0.3-0.4 MPa, the printing moving speed of the scraper is 0.2-0.3 m/s, and the included angle between the scraper and the horizontal line is 45-60 degrees.

The manufacturing method of the nano particle film switch comprises the steps of fixing a polyester screen printing plate on a screen printing machine, printing conductive silver paste on a ZnO nano particle film with the thickness of 0.075 mm and subjected to corona treatment through a scraper, and then placing the ZnO nano particle film in an oven at 100 ℃ for curing for 30 min; after the conductive silver paste layer is cured, selecting a polyester screen printing plate to print a layer of light-cured insulating ink on the silver paste circuit which does not need to be contacted, and finishing curing through an ultraviolet light channel of a UV exposure machine; printing 19 a layer of conductive carbon paste on the conductive silver paste circuit connected externally, cutting the ZnO nano particle film out according to the shape of the film switch by using a laser cutting machine or a die, cutting off the contact part of the ZnO nano particle film with the thickness of 0.1 mm in the middle layer at the corresponding upper and lower points, and finally assembling and laminating the upper layer film, the middle layer film and the lower layer film by using waterproof adhesive.

In the manufacturing method of the nanoparticle membrane switch, the process parameters of the screen printing machine are all selected as follows: the pressure applied to the screen by the squeegee was 0.3MPa, the squeegee printing speed was 0.2 m/s, and the squeegee included an angle of 45 degrees with the horizontal line.

In the manufacturing method of the nanoparticle membrane switch, the process parameters of the screen printing machine are all selected as follows: the pressure applied to the screen by the squeegee was 0.4 MPa, the squeegee printing speed was 0.3 m/s, and the squeegee included an angle of 60 degrees with the horizontal line.

Has the advantages that:

1. the photo-curing insulating ink selected by the invention is photo-curing, and can be cured only by being irradiated by an ultraviolet lamp after being printed; the conductive carrier of the conductive carbon paste is graphite and carbon black which are difficult to react with substances in the air, so that the reliability and durability of the membrane switch are effectively ensured, and the conductive carbon paste is printed on the surface of the conductive silver paste due to the wear-resistant characteristic of the graphite in the conductive carbon paste, so that the wear-resistant performance of an external connecting circuit can be improved.

Compared with a hard substrate, the film prepared on the plastic flexible substrate not only can keep the photoelectric characteristic of the deposited film, but also has the unique advantages of flexibility, light weight, difficult breakage, easy large-area production, convenient transportation and the like.

The circuit of the switch is printed by silver paste, and the conducting layer can be folded at will; and the resistance can be controlled at any resistance position required, and by adopting the technology of the nano film, the manufactured film switch can even accept hundreds of thousands of volts of high-voltage electric shock without damaging the function of the film switch.

The reliability service life of the invention is as follows: more than 100 ten thousand times; closed displacement: 0.1 to 0.4mm (no touch type), 0.4 to 1.0mm (touch type); strengthening the standard as power: 15-750 g force; conductive silver paste migration: at 55 ℃ and 90% for 56 hours, the voltage between the two lines is 10M omega/50 VDC; the silver paste line is free of oxidation and impurities; the silver paste line width is more than or equal to 0.3mm, the minimum interval is 0.3mm, and the circuit is rough.

The specific implementation mode is as follows: