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:
Feb. 24, 2015
Filed:
Apr. 30, 2008
Applicant:
Tomohiro Watanabe, Yokohama, JP;
Inventor:
Tomohiro Watanabe, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/20 (2006.01); H01L 29/786 (2006.01);
U.S. Cl.
CPC ...
H01L 29/7869 (2013.01);
Abstract
A transistor comprises an active layer of an oxide containing at least one element selected from In, Ga and Zn. The active layer is formed such that a desorption gas monitored as a water molecule by a temperature programmed desorption analysis is 1.4/nmor less.