Fishing – trapping – and vermin destroying
Patent
1988-07-27
1990-06-12
Hearn, Brian E.
Fishing, trapping, and vermin destroying
29840, 228175, 228214, 357 72, 357 84, 361400, H01L 2131
Patent
active
049333054
ABSTRACT:
For preventing a semiconductor device from separation of a passivation film, there is disclosed a process of wire bonding comprising the steps of: (a) preparing an intermediate structure of a semiconductor device; (b) forming an inter-level insulating layer of an organic material on the intermediate structure; (c) forming at least one bonding pad on the inter-level insulating layer; (d) growing a passivation film of an inorganic material on the inter-level insulating film in a high temperature ambient, the passivation film exposing the bonding pad; and (e) connecting a bonding wire to the bonding pad at a temperature lower than that of the high temperature ambient.
REFERENCES:
patent: 4630095 (1986-12-01), Otsuka et al.
Griffis Andrew
Hearn Brian E.
NEC Corporation
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