Tab film tape carrier

Details Tab film tape carrier Tab film tape carrier

1989-06-30

1990-10-09

Ryan, Patrick

Stock material or miscellaneous articles

Structurally defined web or sheet

Edge feature

428195, 428209, 428901, 206328, 206330, 206332, B32B 2302

Patent

active

049619845

ABSTRACT:
A TAB film tape carrier used for making semiconductor devices is described. This TAB film tape carrier comprises a substrate, and copper foil wiring on the substrate and having a predetermined lead form patterned by laminating and etching, the copper foil wiring being made of rolling copper recrystallized by annealing treatment.

REFERENCES:
patent: 4687633 (1987-08-01), Miyafuji et al.
patent: 4827376 (1989-05-01), Voss

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