Connected structure and method for manufacture thereof

Details Connected structure and method for manufacture thereof Connected structure and method for manufacture thereof

H - Electricity

01

L

H01L 31/05 (2006.01) H01B 5/16 (2006.01) H01L 21/60 (2006.01)

Patent

CA 2666404

Disclosed is a method for electrically connecting a surface electrode of a solar cell to a wire member through a conductive adhesive film. The conductive adhesive film comprises an insulating adhesive agent and a conductive particle. When a ten-point average roughness of a surface of the surface electrode which faces to the conductive adhesive film is expressed by Rz (µm) and the maximum height in the surface is expressed by Ry (µm), the conductive particle has an average particle diameter r (µm) equal to or larger than the ten-point average roughness Rz and the conductive adhesive film has a thickness t (µm) equal to or larger than the maximum height Ry.

La présente invention concerne un procédé de connexion électrique d'une électrode de surface d'une pile solaire à un élément de câble via un film adhésif conducteur. Le film adhésif conducteur comporte un agent adhésif isolant et une particule conductrice. Lorsqu'un rugosité moyenne sur dix points d'une face de l'électrode de surface en regard du film adhésif conducteur est exprimée par Rz (µm) et la hauteur maximale dans la surface est exprimée par Ry (µm), la particule conductrice présente un diamètre moyen de particule r (µm) égal ou supérieur à la rugosité moyenne sur dix points Rz et le film adhésif conducteur présente une épaisseur t (µm) égale ou supérieure à la hauteur maximale Ry.

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