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:
May. 23, 2006
Filed:
Jun. 03, 2002
Michael J. Mcmanus, Liberty Township, OH (US);
Billie J. Rivera, San Jose, CA (US);
Richard Talburt, Sunnyvale, CA (US);
William G. Walker, Saratoga, CA (US);
Michael A. Zampaglione, San Jose, CA (US);
Michael J. McManus, Liberty Township, OH (US);
Billie J. Rivera, San Jose, CA (US);
Richard Talburt, Sunnyvale, CA (US);
William G. Walker, Saratoga, CA (US);
Michael A. Zampaglione, San Jose, CA (US);
Virtual Silicon Technology, Inc., Sunnyvale, CA (US);
Abstract
Methods are apparatuses are disclosed for library cells for designing an integrated circuit. Various embodiments cover one or more of virtual buses; virtual tap cells; placement primarily for electrical coupling to a well or substrate; placement at a granularity level of electrical coupling to a well or substrate; metal substantially octagonal via structures; free placement according to a minimum drawing resolution of significant features, cell boundary vertices, and routing wires; and cells permitting overlap.