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 8539412 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 17, 2013

Filed:

Sep. 14, 2012
Applicants:

Masashi Arayama, Kawasaki, JP;

Sumiko Makino, Kawasaki, JP;

Inventors:

Masashi Arayama, Kawasaki, JP;

Sumiko Makino, Kawasaki, JP;

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 17/50 (2006.01);
U.S. Cl.
CPC ...
Abstract

A macro layout verification apparatus for verifying a layout of a macro to be placed as a functional block on a semiconductor device. The apparatus includes: a unit, which assumes as a virtual wiring line, a wiring line that uses an unused intra-macro channel located adjacent to an intra-macro wiring line; a unit which calculates a parallel wiring length along which the virtual wiring line and the intra-macro wiring line run; and a unit which outputs information concerning the virtual wiring line when the parallel wiring length exceeds a reference value defined as a design rule.


Find Patent Forward Citations

Arayama, Masashi. (2013). Macro layout verification appartus (U.S. Patent No. 8539412). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8539412

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

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