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:
Aug. 23, 1988
Filed:
Jul. 11, 1986
Applicant:
Inventors:
Katsumi Nakagawa, Tokyo, JP;
Toshiyuki Komatsu, Yokohama, JP;
Yoshiyuki Osada, Yokosuka, JP;
Satoshi Omata, Tokyo, JP;
Yutaka Hirai, Tokyo, JP;
Takashi Nakagiri, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ;
U.S. Cl.
CPC ...
357 59 ; 357-2 ; 357-4 ; 357 237 ; 148D / ;
Abstract
A semiconductor device mainly comprises a semiconductor layer of a polycrystalline silicon film containing at least one atom selected from the group consisting of carbon, sulfur, nitrogen and oxygen as a constituent.