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:
Jul. 16, 2013
Filed:
Dec. 21, 2011
Applicant:
Takaaki Tatsumi, Kanagawa, JP;
Inventor:
Takaaki Tatsumi, Kanagawa, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/62 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed herein is a protection element for protecting a circuit element. The protection element includes source and drain areas created in a semiconductor layer, a gate created on the semiconductor layer, sandwiching a gate insulation film between the gate and the semiconductor layer, a source electrode connected to the surface of the source area and electrically connected to the ground, a drain electrode connected to the surface of the drain area and used for receiving a surge input, and a diode connected between the source electrode and the gate.