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:
Nov. 16, 2004

Filed:

Jun. 06, 2003
Applicant:
Inventors:

Masanori Tsutsumi, Kyoto, JP;

Junichi Yano, Osaka, JP;

Fumihiro Kimura, Nara, JP;

Masayuki Matsuda, Shiga, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 2/710 ;
U.S. Cl.
CPC ...
H01L 2/710 ;
Abstract

A standard cell for a plurality of power supplies comprises a first power line and a second power line electrically isolated from the first power line. An N well is arranged in spaced relation with the whole peripheral boundaries of the standard cell. In the case where the standard cells are arranged adjacently to each other in the direction along the power lines or in the direction orthogonal thereto, the N well in the standard cell for a plurality of power supplies is isolated from the N wells of the adjacent standard cells in the direction along the power lines or in the direction orthogonal thereto, as the case may be.


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