Anisotropic conductive film with through-holes filled with metal

Details Anisotropic conductive film with through-holes filled with metal Anisotropic conductive film with through-holes filled with metal

1990-12-19

1992-08-04

Hille, Rolf

357 67, 357 85, H01L 2348, H01L 4900, H01L 2940, H01L 2946

Patent

active

051363593

ABSTRACT:
An anisotropic conductive film is disclosed, comprising an insulating film having fine through-holes independently piercing the film in the thickness direction, each of the through-holes being filled with a metallic substance in such a manner that at least one end of each through-hole has a bump-like projection of said metallic substance having a bottom area larger than the opening of the through-hole. The metallic substance serving as a conducting path is prevented from falling off, and sufficient conductivity can be thus assured.

REFERENCES:
patent: 4970571 (1990-11-01), Yamakawa et al.
patent: 4996581 (1991-02-01), Hamasaki
patent: 5027188 (1991-06-01), Owada et al.

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