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:
Dec. 25, 1990
Filed:
Aug. 24, 1988
Applicant:
Inventors:
Shigeki Harada, Kawasaki, JP;
Masahiro Sugimoto, Yokosuka, JP;
Assignee:
Fujitsu Limited, Kanagawa, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22F / ;
U.S. Cl.
CPC ...
428552 ; 428627 ;
Abstract
A metallization layer structure includes an intermediate layer formed on an aluminum nitride ceramics base. The intermediate layer contains aluminum titanium nitride. A titanium layer is formed on the intermediate layer. A heat-resistant metallic layer is formed on the titanium layer. A metallic layer for facilitating soldering or brazing is formed on the heat-resistant metallic layer.