Stock material or miscellaneous articles – Structurally defined web or sheet – Including aperture
Patent
1988-12-06
1990-06-19
Ryan, Patrick
Stock material or miscellaneous articles
Structurally defined web or sheet
Including aperture
428138, 428209, 428426, 428432, 428457, 428901, 174256, 361397, 361414, 501119, 501128, B32B 300
Patent
active
049352857
ABSTRACT:
A ceramic substrate for densely integrated semiconductor arrays which is superior in a coefficient of thermal expansion, dielectric constant, strength of metallized bond, and mechanical strength, comprising a sintered body composed essentially of mullite crystals and a non-crystralline binder composed of SiO.sub.2, Al.sub.2 O.sub.3, and MgO, is provided.
REFERENCES:
patent: 4272500 (1981-06-01), Eggerding et al.
patent: 4736276 (1988-04-01), Ushifusa et al.
patent: 4817276 (1989-04-01), Toda et al.
Amer. Cer. Soc. Bull., May 1984, Preparation and Properties of Mullite Cordierite Composites, Mussler et al., pp. 705-710.
Fujita Tsuyoshi
Ishihara Shousaku
Kanda Naoya
Kuroki Takashi
Toda Gyozo
Hitachi , Ltd.
Ryan Patrick
LandOfFree
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