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:
May. 20, 2025

Filed:

Nov. 20, 2020
Applicant:

Safran Electronics & Defense, Paris, FR;

Inventors:

Christophe Poilvet, Moissy-Cramayel, FR;

Nicolas Charrier, Moissy-Cramayel, FR;

Michael Montoya, Moissy-Cramayel, FR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 1/20 (2006.01); H01L 23/367 (2006.01); H05K 7/20 (2006.01);
U.S. Cl.
CPC ...
G06F 1/206 (2013.01); H01L 23/367 (2013.01); H05K 7/2039 (2013.01);
Abstract

An on-board computer includes a microprocessor chip with a lower face and an upper face, a chip carrier having an upper face on which the microprocessor chip is mounted, and a casing configured to discharge heat generated by the microprocessor chip in operation. An interposer is disposed between the upper face and the casing. The interposer diffuses the heat transmitted by the upper face of the microprocessor chip towards the casing. The interposer has an upper surface for heat exchange with the casing that is twice or more greater than the surface area of the upper face of the microprocessor chip. The interposer has on one or more sides a peripheral wedging rim coming into contact with a side wall of the chip carrier, and has no more than two peripheral wedging rims, in order to leave the other sides of the interposer free.


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Poilvet, Christophe. (2025). On-board computer with interposer on the microprocessor chip (U.S. Patent No. 12306682). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12306682

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