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. 28, 1992
Filed:
Oct. 15, 1990
Kunihiko Imai, Nagano, JP;
Shinko Electric Industries Co., Ltd., Nagano, JP;
Abstract
A ceramic base used for a semiconductor device is plate-shaped and is made of a material consisting essentially of ceramic. In plan view, the base is rectangular and has four corner portions each located between two adjacent side walls. The corner portion comprises a main bevel and two auxiliary bevels located at respective sides of the main bevel and extending to the two side walls, respectively, so that two first corners are defined between the main bevel and the auxiliary bevels, respectively, and two second corners are defined between the auxiliary bevels and the side walls of the base, respectively.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile