阅读说明：本技术 具有提高的电容量的薄膜电容器 (Thin film capacitor with improved capacitance ) 是由 K.迈尔 于 2020-04-09 设计创作，主要内容包括：本发明涉及一种由第一和第二薄膜构成的薄膜电容器,其中,两个薄膜分别具有相对介电常数ε-(r)并且分别在至少一个侧面上涂层或蒸镀有金属层。本发明还涉及一种用于制造这种薄膜电容器的方法。根据本发明,至少一个由具有相对于薄膜的介电常数ε-(r)更高的介电常数ε-(r)的电介质构成的层优选全面地布置在两个薄膜之间。由电介质构成的层在此要么印刷在一个或两个薄膜的金属层上,要么印刷在一个或两个薄膜的与金属化部对置的未涂层的侧面上。作为对此的备选,至少一个由电介质构成的层印刷在第一薄膜的金属层上,并且第二薄膜布置为,使得其金属层指向第一薄膜的金属层,从而第一薄膜的金属层和第二薄膜的金属层只通过薄的电介质层彼此分隔开。(The invention relates to a film capacitor consisting of a first and a second film, wherein the two films each have a relative dielectric constant epsilon r And is coated or evaporated with a metal layer on at least one side, respectively. The invention also relates to a method for producing such a film capacitor. According to the invention, at least one of the layers has a dielectric constant epsilon with respect to the film r Higher dielectric constant ε r Preferably over the entire surface of the layer of dielectricIs arranged between the two films. The layer of dielectric is printed either on the metal layer of one or both films or on the uncoated side of one or both films opposite the metallization. As an alternative to this, at least one layer made of a dielectric is printed on the metal layer of the first film, and the second film is arranged such that its metal layer points towards the metal layer of the first film, so that the metal layer of the first film and the metal layer of the second film are separated from one another only by the thin dielectric layer.)

1. A film capacitor is composed of a first film and a second film, wherein the two films respectively have a relative dielectric constant epsilon_rAnd each having a metal layer coated or evaporated on at least one side, characterized in that at least one layer of a dielectric with a dielectric constant epsilon relative to the films is preferably arranged between the two films over the entire surface_rHigher dielectric constant ε_rIn this case, the layer of dielectric is printed either on the metal layer of one or both films or on the uncoated side of one or both films of the winding opposite the metallization.

2. A kind ofFilm capacitor composed of first and second films, wherein the two films have relative dielectric constant epsilon_rAnd is coated or evaporated with a metal layer on at least one side, respectively, characterized in that at least one layer of a dielectric is printed on the metal layer of the first film, and the second film is arranged such that the metal layer of the second film is directed towards the metal layer of the first film, so that the metal layer of the first film and the metal layer of the second film are separated from each other only by the thin dielectric layer.

3. A film capacitor according to claim 2, characterized in that the layer of dielectric has a dielectric constant e with respect to the film_rHigher dielectric constant ε_r。

4. Film capacitor according to at least one of the preceding claims, characterized in that the layer of the dielectric is printed onto the metal layer of the film or onto the uncoated side of one or both films of the winding opposite the metallization by means of a printing method, for example offset printing, flexographic printing, gravure printing or screen printing.

5. Thin-film capacitor according to at least one of the preceding claims, characterized in that the layer consisting of a dielectric consists of a pigment with a high dielectric constant ε_rThe pigment being dispersed in a material having good insulating properties and also having a high dielectric constant epsilon_rIn the adhesive of (1).

6. Thin-film capacitor as claimed in at least one of the preceding claims, characterized in that both thin films are printed with a dielectric layer, respectively.

7. Thin-film capacitor as claimed in at least one of the preceding claims, characterized in that both films are metallized on both sides and both films are printed with a dielectric layer on at least one side.

8. Film capacitor according to at least one of the preceding claims, characterized in that at least two further metallizations are applied on the dielectric layer and at least one further dielectric layer is applied between and on the at least two further metallizations, respectively.

9. A film capacitor according to claim 8, characterized in that the dielectric layer is printed or coated on top of each other with a sequence of dielectric layers and metallizations, which corresponds to a series connection of capacitors.

10. Film capacitor according to at least one of the preceding claims, characterized in that the first film with its metal layer and the second film with its metal layer together form a capacitor winding.

11. A method for producing a film capacitor consisting of a first and a second film, wherein the two films each have a relative dielectric constant epsilon_rAnd is coated or evaporated with a metal layer on at least one side, respectively, characterized in that at least one layer, preferably the entire surface, of a dielectric with a dielectric constant epsilon relative to the films is arranged between the two films_rHigher dielectric constant ε_rIn this case, the layer of dielectric is printed either on the metal layer of one or both films or on the uncoated side of one or both films of the winding opposite the metallization.

12. A method for producing a film capacitor consisting of a first and a second film, wherein the two films each have a relative dielectric constant epsilon_rAnd is coated or evaporated with a metal layer on at least one side, respectively, characterized in that at least one layer made of a dielectric is printed on the substrateOn the metal layer of the first film and the second film is arranged such that the metal layer of the second film is directed towards the metal layer of the first film, so that the metal layer of the first film and the metal layer of the second film are separated from each other only by the thin dielectric layer.

13. Method according to claim 12, characterized in that the layer of dielectric is printed onto the metal layer of the film or onto the uncoated side of one or both films of the winding opposite the metallization by means of a printing method, such as offset printing, flexographic printing, gravure printing or screen printing.

14. Method according to claim 12 or 13, characterized in that the two films are each printed with a dielectric layer.

15. Method according to at least one of claims 12 to 14, characterized in that at least two further metallizations are applied on the dielectric layer and at least one further dielectric layer is applied between and on the at least two further metallizations, respectively.