Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1995-11-28
1997-11-11
Lam, Cathy F.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
4283202, 4283073, 428337, 428901, 428409, 428940, 361748, 361750, 174250, 174255, 174258, 264 61, 156 89, 1563063, 156307, 427 96, 427294, 427238, B32B 300, B32B 326, B32B 306, H05K 100
Patent
active
056861729
ABSTRACT:
A metal-foil-clad composite ceramic board produced by impregnating by impregnating a sintered substrate (II) of an inorganic continuously porous sintered body (I) having a true porosity of 12 to 50% and an open porosity of at least 10%, with a thermosetting resin (R) under vacuum, to form a resin-impregnated sintered substrate (IIR), stacking a metal foil on the resin-impregnated sintered substrate (IIR) and press-forming the resultant laminate, wherein the stacked metal foil has a 10-point average surface roughness Rz of 10 .mu.m or less, and the resin-impregnated sintered substrate (IIR) and the metal foil have substantially no adhesive layer therebetween or have an adhesive layer having a thickness of 10 .mu.m or less therebetween.
REFERENCES:
patent: 4882455 (1989-11-01), Sato
patent: 5144536 (1992-09-01), Tsukada
patent: 5314740 (1994-05-01), Ishil
IBIDEN Co., Ltd., Patent Abstracts of Japan, vol. 13, No. 307 (E-787) 13 Jul. 1989 JP-A-01 082 689.
Sumitomo Chem. Co., Patent Abstracts of Japan, vol. 15, No. 375 (E-1114) 20 Sep. 1991 JP-A-03 149890.
Sumitomo Chem. Co., Patent Abstracts of Japan, vol. 15, No. 375 (E-1114) 20 Sep. 1991 JP-A-093 149891.
Ohya Kazuyuki
Sayama Norio
Lam Cathy F.
Mitsubishi Gas Chemical Company Inc.
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