Method of applying flex tape protective coating onto a flex prod

Details Method of applying flex tape protective coating onto a flex prod Method of applying flex tape protective coating onto a flex prod

1994-10-25

1996-08-20

Arbes, Carl J.

Metal working

Method of mechanical manufacture

Electrical device making

29852, 174254, 205125, 427 97, 437220, H05K 302

Patent

active

055466559

ABSTRACT:
A flex or TAB product suitable for chip carrier applications wherein the flex reliability problems caused by copper dendrite growth and lead bending during power and thermal cycling are reduced by application of special coatings to lead areas of the flex tape.

REFERENCES:
patent: 4179800 (1979-12-01), Takaba et al.
patent: 4585528 (1986-04-01), Matsumoto
patent: 4931148 (1990-06-01), Kukanskis et al.
patent: 4983252 (1991-01-01), Masui et al.
patent: 5062204 (1991-11-01), Miller et al.
patent: 5108553 (1992-04-01), Foster et al.

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