The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 18, 1994
Filed:
Mar. 29, 1993
Applicant:
Inventors:
Assignee:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23C / ;
U.S. Cl.
CPC ...
427124 ; 4271261 ; 4271264 ; 4272551 ; 427405 ; 4274197 ; 427529 ; 427530 ;
Abstract
A heat transfer insulated part including a heat transfer substrate formed of a sintered metal of Cu-W or Cu-Mo, an insulating ceramic layer for electrically insulating the heat transfer substrate, formed of ceramic such as Al.sub.2 O.sub.3, SiO.sub.2 and Si.sub.3 N.sub.4, and a barrier layer provided between the heat transfer substrate and an insulating ceramic layer composed of at least either one of metal layers of W and Mo. Furthermore, preferably, an intermediate layer composed of titanium carbide and/or titanium nitride and so forth for enhancing the adhesive property between the insulating ceramic layer and the barrier layer is provided.