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.

Date of Patent:
Jul. 06, 2010

Filed:

Aug. 09, 2007
Applicants:

Roxanne E. Abul-haj, Mesa, AZ (US);

N. Alan Abul-haj, Mesa, AZ (US);

Timothy W. Stippick, Phoenix, AZ (US);

Kevin H. Hazen, Gilbert, AZ (US);

Inventors:

Roxanne E. Abul-Haj, Mesa, AZ (US);

N. Alan Abul-Haj, Mesa, AZ (US);

Timothy W. Stippick, Phoenix, AZ (US);

Kevin H. Hazen, Gilbert, AZ (US);

Assignee:

Sensys Medical, Inc., Chandler, AZ (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H05K 7/20 (2006.01);
U.S. Cl.
CPC ...
Abstract

A heatsink having tapered geometry that improves passive cooling efficiency is discussed. A tapered geometry between heatsink heat dissipation elements, as a function of distance along a z-axis opposing gravity, decreases resistance to rarification of passively flowing cooling gas upon heating. Thus, the tapered heatsink elements result in higher velocity of gas flow and increased cooling efficiency of the heatsink. Optionally, the heatsink is made from a thermally conductive polymer allowing the heatsink to be created in complex shapes using injection molding.


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