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. 13, 1998
Filed:
Apr. 22, 1996
Mituo Osada, Itami, JP;
Yoshinari Amano, Itami, JP;
Nobuo Ogasa, Itami, JP;
Akira Ohtsuka, Itami, JP;
Sumitomo Electric Industries, Ltd., Osaka, JP;
Abstract
This invention relates to a substrate for semiconductor apparatus loading a semiconductor chip in integrated circuit apparatus and is characterized in that a sintered compact containing copper of 2 to 30 wt. % in tungsten and/or molybdenum is used as the substrate having the heat radiation capable of efficiently radiating heat developed from the loaded semiconductor chip and thermal expansion coefficient similar to those of semiconductor chip and other enclosure material except for the substrate.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile