Electricity: conductors and insulators – Conduits – cables or conductors – Preformed panel circuit arrangement
Patent
1991-09-17
1994-11-01
Picard, Leo P.
Electricity: conductors and insulators
Conduits, cables or conductors
Preformed panel circuit arrangement
174250, 174255, 361774, H01R 909
Patent
active
053609468
ABSTRACT:
The present invention relates to an improved flex (or TAB) product suitable for silicon carrier or other types of chip carrier applications, wherein the flex reliability problems caused for example by Cu thermal cycling are substantially reduced or eliminated. More particularly, the invention embodies a number of coatings for use in such products and diverse methods of making and using same.
REFERENCES:
patent: 5073521 (1991-12-01), Braden
patent: 5083191 (1992-01-01), Ueda
patent: 5122858 (1992-06-01), Mahulikar et al.
patent: 5156983 (1992-10-01), Schlesinger et al.
Feger Claudius
Graham Teresita O.
Grebe Kurt R.
Lanzetta Alphonso P.
Liutkus John J.
International Business Machines - Corporation
Picard Leo P.
Thomas L.
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