Electricity: conductors and insulators – Conduits – cables or conductors – Single duct conduits
Patent
1980-06-30
1981-11-24
Kucia, Richard R.
Electricity: conductors and insulators
Conduits, cables or conductors
Single duct conduits
361406, 361411, H05K 114
Patent
active
043026257
ABSTRACT:
An improved multi-layer ceramic substrate for mounting semiconductor devices having a low incidence of cracks between metal filled surface vias, the substrate constructed with a top ceramic layer having a thickness that is at least 20 percent greater than the underlying sheets that embody a redistribution system.
REFERENCES:
patent: 3726002 (1973-04-01), Greenstein
patent: 3999004 (1976-12-01), Chirino
patent: 4047290 (1977-09-01), Weitze
patent: 4109377 (1978-08-01), Blazick
patent: 4189524 (1980-02-01), Lazzari
patent: 4202007 (1980-05-01), Dougherty
patent: 4245273 (1981-01-01), Feinberg
Hetherington Richard J.
Melvin George E.
Milkovich Stephen A.
Urfer Ernest N.
International Business Machines Corp.
Kucia Richard R.
Stoffel Wolmar J.
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