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.:

US 8148721 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 03, 2012

Filed:

Nov. 20, 2007
Applicants:

Ryo Hayashi, Yokohama, JP;

Nobuyuki Kaji, Kawasaki, JP;

Hisato Yabuta, Machida, JP;

Inventors:

Ryo Hayashi, Yokohama, JP;

Nobuyuki Kaji, Kawasaki, JP;

Hisato Yabuta, Machida, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 33/00 (2010.01); H01L 29/786 (2006.01); H01L 21/336 (2006.01);
U.S. Cl.
CPC ...
Abstract

Provided is a bottom gate type thin film transistor including on a substrate () a gate electrode (), a first insulating film () as a gate insulating film, an oxide semiconductor layer () as a channel layer, a second insulating film () as a protective layer, a source electrode (), and a drain electrode (), in which the oxide semiconductor layer () includes an oxide including at least one selected from the group consisting of In, Zn, and Sn, and the second insulating film () includes an amorphous oxide insulator formed so as to be in contact with the oxide semiconductor layer () and contains therein 3.8×10molecules/cmor more of a desorbed gas observed as oxygen by temperature programmed desorption mass spectrometry.


Find Patent Forward Citations

Hayashi, Ryo. (2012). Bottom gate type thin film transistor, method of manufacturing the same, and display apparatus (U.S. Patent No. 8148721). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8148721

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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