Insulating member and electric parts using the same

Details Insulating member and electric parts using the same Insulating member and electric parts using the same

1991-10-11

1994-01-11

Turner, A. A.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428469, 428472, 428621, 428627, 428632, 428698, 428701, 428702, 428704, B32B 1504

Patent

active

052779424

ABSTRACT:
An insulating member has an insulating layer in the form of a thin ceramic plate made of at least one of SiC, Si.sub.3 N.sub.4, AlN and Al.sub.2 O.sub.3 ad having a thickness not less than 0.1 mm and not more than 2.0 mm, and cushioning layers provided on both sides of the insulating layer through brazing alloy for relieving thermal stress. An electric part can be made of such an insulating member. The insulating member is disposed between a conductive substrate and a conductive member and brazed thereto.

REFERENCES:
patent: 2800710 (1957-07-01), Dunn
patent: 4532190 (1985-07-01), Kanabe et al.
patent: 4624404 (1986-11-01), Ohmae et al.
patent: 4645115 (1987-02-01), Kamigaito et al.
patent: 4740429 (1988-04-01), Tsuno
patent: 4763828 (1988-08-01), Fukaya et al.
patent: 4981761 (1991-01-01), Ookouchi et al.
Otsuka et al., "Interfacial Bond Strength in Alumina Ceramics Metallized and Cofired with Tungsten" Ceramic Bulletin vol. 60 (1981) May No. 5 pp. 540-545.
Dunn et al., "Analytical and Experimental Evaluation of Joining Silicon Nitride to Metal and Silicon Carbide to Metal" Society of Automotive Eng. Inc. Oct. 24-27, 1988.

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