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.

Date of Patent:
Jul. 09, 2013

Filed:

Apr. 11, 2012
Applicants:

Toshiaki Arai, Kanagawa, JP;

Yoshio Inagaki, Kanagawa, JP;

Inventors:

Toshiaki Arai, Kanagawa, JP;

Yoshio Inagaki, Kanagawa, JP;

Assignee:

Sony Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/04 (2006.01); H01L 31/20 (2006.01);
U.S. Cl.
CPC ...
Abstract

A thin film transistor having a crystalline silicon film that is formed over an insulating substrate with a gate electrode and a gate insulating film in between, and has a channel region in a region corresponding to the gate electrode; an insulating channel protective film that is selectively formed in a region corresponding to the channel region on the crystalline silicon film; an n+ silicon film having a source region and a drain region that sandwich a region corresponding to the channel region on the channel protective film and the crystalline silicon film; and a metal film having a source electrode and a drain electrode that respectively correspond to the source region and the drain region.


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