Electricity: conductors and insulators – Feedthrough or bushing – Compression
Patent
1988-02-22
1989-09-19
LaRoche, Eugene R.
Electricity: conductors and insulators
Feedthrough or bushing
Compression
357 71, 357 45, 357 80, 357 72, 174 524, 361393, 361404, 361414, H01L 2348, H01L 2944, H01R 900, H02G 1308
Patent
active
048686344
ABSTRACT:
An IC-packaged device comprises a lower plate which has wiring patterns at least on an upper surface; an upper plate which has upper surface wiring patterns and at least an opening hole and are superimposed on the lower plate when used; and a plurality of IC chips which has a lot of connecting terminal groups mounted on the upper plate. In this structure, some of the connecting terminal groups of the plurality of IC chips are wire-bonded to the wiring patterns on the upper plate, while the other of the connecting terminal groups of the plurality of IC chips pass through the opening hole in the upper plate and are wire-bonded directly to the wiring patterns on the lower plate.
REFERENCES:
patent: 3611317 (1971-10-01), Bonfeld
patent: 3784883 (1974-01-01), Duncan et al.
patent: 3959579 (1976-05-01), Johnson
patent: 4237522 (1980-12-01), Thompson
patent: 4458297 (1984-07-01), Stopper et al.
patent: 4558171 (1985-12-01), Gantley et al.
patent: 4646126 (1987-02-01), Iizuka
patent: 4717988 (1988-01-01), Landis
patent: 4720690 (1988-01-01), Popck et al.
Ichikawa Shingo
Iinuma Yoshio
Ishida Yoshihiro
Citizen Watch Co. Ltd.
LaRoche Eugene R.
Shingleton Michael B.
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