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:
Oct. 06, 2015

Filed:

Aug. 13, 2013
Applicant:

Kabushiki Kaisha Toshiba, Minto-ku, JP;

Inventors:

Kazuhide Abe, Kanagawa, JP;

Kazuhiko Itaya, Kanagawa, JP;

Assignee:

Kabushiki Kaisha Toshiba, Minato-ku, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/84 (2006.01); H01L 29/772 (2006.01); H01L 31/00 (2006.01); H01S 4/00 (2006.01);
U.S. Cl.
CPC ...
H01L 29/772 (2013.01); H01L 31/00 (2013.01); H01S 4/00 (2013.01);
Abstract

A stimulated phonon emission device of an embodiment is provided with a first electroconductive type of semiconductor substrate of an indirect transition type semiconductor crystal, a second electroconductive type of well region provided in the semiconductor substrate, an element isolation region deeper than the well region, an element region surrounded by the element isolation region, and a field-effect transistor having a plurality of gate electrodes which are formed in the well region in the element region, are parallel to each other, and are arranged at a constant pitch and first electroconductive type of source region and drain region provided in the element regions on the both sides of the gate electrode.


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