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:
Aug. 30, 2005
Filed:
Aug. 21, 2002
Shih-fang Chuang, McKinney, TX (US);
Jeremias P. Libres, Garland, TX (US);
Shih-Fang Chuang, McKinney, TX (US);
Jeremias P. Libres, Garland, TX (US);
Texas Instruments Incorporated, Dallas, TX (US);
Abstract
A packaged integrated circuit that includes a substrate; a chipmounted on the substrate; and a heatsinkmounted on the chip. The heatsink has a spacerattached to one of its surfaces to provide a standoff distance between the heatsink and the substrate. The substrate and the heatsink can include moats into which the spacer is adapted to fit. The moat can be a notch at the edge of the substrate or it can be a channel or depression in the substrate surface. The spacer can be made of a high-modulus or low-modulus material, or a combination of the two.