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:
Sep. 18, 2007
Filed:
Nov. 17, 2003
Applicants:
Isamu Kobori, Chiba, JP;
Michio Arai, Tokyo, JP;
Inventors:
Isamu Kobori, Chiba, JP;
Michio Arai, Tokyo, JP;
Assignees:
Semiconductor Energy Laboratory Co., Ltd., Atsugi-shi, Kanagawa-ken, JP;
TDK Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/04 (2006.01); H01L 27/15 (2006.01);
U.S. Cl.
CPC ...
Abstract
An active matrix circuit comprises a semiconductor layer, and a p-type impurity region provided in said semiconductor layer, and an interlayer insulating film comprising silicon nitride provided over said semiconductor layer.