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:
Mar. 11, 1986
Filed:
Sep. 16, 1983
Applicant:
Inventors:
Luther B Caldwell, Charlotte, NC (US);
Michael F Crocetti, Lexington, KY (US);
Bradford Dunham, White Plains, NY (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ; H01L / ;
U.S. Cl.
CPC ...
357 45 ; 357 40 ; 357 68 ; 357 71 ;
Abstract
Concentric patterns of cells or macros (1) and conductive lines 13 conserve space on a substrate having two conductive levels. Macros (1) occupy only the first metal level and lines 13 are on the second metal level. The second metal level may also contain concentric patterns of power buses 20 and ground buses 20.