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. 13, 2010

Filed:

Dec. 07, 2007
Applicant:

Shigeo Satoh, Kawasaki, JP;

Inventor:

Shigeo Satoh, Kawasaki, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/48 (2006.01);
U.S. Cl.
CPC ...
Abstract

A semiconductor device is provided with a first conductivity type semiconductor substrate (); a voltage supplying terminal () arranged on the semiconductors substrate (); one or more elements () which include a second conductivity type well section () and are arranged on the semiconductor substrate (); a second conductivity type first conductive layer (), which is a lower layer of the one or more elements (), is in contact with the second conductivity type well section (), and connects the second conductivity type well section () of the one or more elements () with the voltage supplying terminal (); and a first conductivity type second conductive layer () formed in contact with a lower side of the first conductive layer ().


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