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:
Apr. 28, 1992
Filed:
Dec. 21, 1989
Applicant:
Inventors:
Makoto Tanigawa, Tenri, JP;
Hidehisa Tateoka, Tenri, JP;
Keizo Sakiyama, Kashihara, JP;
Shigeo Ohnishi, Nara, JP;
Yoshimitsu Yamauchi, Nara, JP;
Kenichi Tanaka, Nara, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
437 63 ; 437 67 ;
Abstract
A process for producing a semiconductor device including the steps of: