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 9000437 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 07, 2015

Filed:

Mar. 21, 2012
Applicants:

Hiroshi Hayashi, Osaka, JP;

Takahiro Kawashima, Osaka, JP;

Genshirou Kawachi, Chiba, JP;

Inventors:

Hiroshi Hayashi, Osaka, JP;

Takahiro Kawashima, Osaka, JP;

Genshirou Kawachi, Chiba, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/04 (2006.01); H01L 29/66 (2006.01); H01L 29/786 (2006.01);
U.S. Cl.
CPC ...
H01L 29/66765 (2013.01); H01L 29/78669 (2013.01); H01L 29/78696 (2013.01); H01L 29/04 (2013.01);
Abstract

A thin-film semiconductor device according to the present disclosure includes: a substrate; a gate electrode formed above the substrate; a gate insulating film formed on the gate electrode; a channel layer that is formed of a polycrystalline semiconductor layer on the gate insulating film; an amorphous semiconductor layer formed on the channel layer and having a projecting shape in a surface; and a source electrode and a drain electrode that are formed above the amorphous semiconductor layer, and a first portion included in the amorphous semiconductor layer and located closer to the channel layer has a resistivity lower than a resistivity of a second portion included in the amorphous semiconductor layer and located closer to the source and drain electrodes.


Find Patent Forward Citations

Quick Actions:

Hayashi, Hiroshi. (2015). Thin-film semiconductor device including a multi-layer channel layer, and method of manufacturing the same (U.S. Patent No. 9000437). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9000437

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

Loading…