Flexible carrier for an electronic device

Details Flexible carrier for an electronic device Flexible carrier for an electronic device

1989-10-30

1991-01-22

Chaudhuri, Olik

Fishing, trapping, and vermin destroying

437209, 437220, H01L 2160

Patent

active

049871005

ABSTRACT:
The disclosure describes a form of packaging for an electronic device and a method of achieving it in order to overcome the problem of damage because of cycles in environmental temperature.
A thin, flexible foil functioning as a carrier of electrically conductive material selected from the group including Invar, copper-Invar-copper and Kovar is coated with a preselected polyimide, on which is formed a thin metallized coating of chromium, in the order to 200 Angstroms, and copper, in the order of 80,000 Angstroms.

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