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:
Jun. 24, 2003
Filed:
Sep. 24, 2001
Patrick H. Buffet, Essex Junction, VT (US);
Charles S. Chiu, Essex Junction, VT (US);
Yu H. Sun, Williston, VT (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
Disclosed is a method of designing voltage partitions in a solder bump package for a chip, comprising: determining the current requirements of a chip voltage island, the chip voltage island including chip power and signal pads, and creating an equivalent circuit model of the chip voltage island; defining a package voltage island, the package voltage island including power and signal package pins, and creating an equivalent circuit model of the package voltage island; analyzing electrical attributes of a combination of the chip voltage island model and the package voltage island model; and modifying the package voltage island until the electrical attributes are acceptable.
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