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:
Jan. 30, 2001
Filed:
Oct. 05, 1998
Applicant:
Inventors:
Assignee:
Nitto Denko Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 1/508 ;
U.S. Cl.
CPC ...
B32B 1/508 ;
Abstract
A low thermal expansion circuit board,on which a semiconductor element can be mounted with ease and high reliability, which comprises an insulating layer,having an Ni—Fe-based alloy foil or a titanium foil as a core, a wiring conductor,on both sides thereof, and an adhesive resin layer,on the side on which a semiconductor element is to be mounted.