Compositions: ceramic – Ceramic compositions – Glass compositions – compositions containing glass other than...
Patent
1992-06-17
1993-05-18
Group, Karl
Compositions: ceramic
Ceramic compositions
Glass compositions, compositions containing glass other than...
501 17, 501 65, 501 66, 501 92, C03C 3091, C03C 1400
Patent
active
052121216
ABSTRACT:
This invention is concerned with ceramic substrates for multilayer interconnection. This invention is also concerned with a raw batch for ceramic substrates which require a calcining temperature as low as 1,000.degree. C. or lower upon their production, are low in dielectric constant and have a coefficient of thermal expansion close to that of silicon and also with a process for the production of the substrates. This invention makes use of a raw batch which permits the use of a low resistance conductor such as Ag-Pd, Ag, Au or Cu and also the production of substrates by low-temperature calcination. The raw batch contains borosilicate silicate glass powder, and aluminum borate powder and at a weight ratio of 40-80 percent to 20-60 percent. The raw batch can additionally contain one or more specific oxides in particular proportions.
REFERENCES:
patent: 4624934 (1966-11-01), Kokubu et al.
patent: 4755490 (1988-07-01), DiLazzaro
patent: 4849379 (1989-07-01), McCormik
patent: 4849380 (1989-07-01), Sawhill
patent: 4985222 (1991-01-01), Hata et al.
Koyanagi Yoshinori
Matsuuchi Tosio
Omata Takahisa
Yanagimachi Masaru
Group Karl
Mitsui Mining Company Limited
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