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. 30, 2001
Filed:
May. 26, 2000
Applicant:
Inventors:
Yutaka Hirashima, Omuta, JP;
Yoshitaka Taniguchi, Omuta, JP;
Yasuhito Hushii, Omuta, JP;
Yoshihiko Tujimura, Omuta, JP;
Katsunori Terano, Omuta, JP;
Takeshi Gotoh, Omuta, JP;
Syoji Takakura, Omuta, JP;
Nobuyuki Yoshino, Omuta, JP;
Isao Sugimoto, Machida, JP;
Akira Miyai, Machida, JP;
Assignee:
Denki Kagaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B32B 3/00 ;
U.S. Cl.
CPC ...
B32B 3/00 ;
Abstract
A circuit substrate which has a ceramic substrate and an Al circuit comprising Al or an Al alloy bonded to said ceramic substrate via a layer comprising Al and Cu.