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:
Nov. 01, 2005
Filed:
Nov. 06, 2002
William M. Loh, Fremont, CA (US);
Benjamin Mbouombouo, San Jose, CA (US);
Peter J. Wright, Sunnyvale, CA (US);
William M. Loh, Fremont, CA (US);
Benjamin Mbouombouo, San Jose, CA (US);
Peter J. Wright, Sunnyvale, CA (US);
LSI Logic Corporation, Milpitas, CA (US);
Abstract
A method and system for designing a dummy grid in an open area of a circuit adjacent to at least one metal line comprising the circuits is disclosed. The method and system include patterning dummy lines in the dummy grid adjacent to metal signal lines, and patterning non-floating dummy lines in the dummy grid adjacent to metal power lines. The method and system further include varying sizes and spacing of the dummy lines in the respective columns of the dummy grid based on the distance between each column and the adjacent metal line, to achieve a balance between planarization and performance.