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:
Oct. 02, 2012
Filed:
Jun. 25, 2009
Emmanuel Loiselet, Horsham West Sussex, GB;
Phil Wills, Horsham West Sussex, GB;
Emmanuel Loiselet, Horsham West Sussex, GB;
Phil Wills, Horsham West Sussex, GB;
Thales Holdings UK PLC, Weybridge-Surrey, GB;
Abstract
An assembly comprising a first printed circuit board, PCB, with a ball grid array, BGA, on its underside, a second PCB facing the first PCB and having at least one through-hole between its top and bottom surfaces, its top surface printed with a circuit pattern bonded to the BGA, a heat sink layer facing the bottom surface of the second PCB and having at least one thermally-conductive pin projecting normally into the through-hole or a respective one of the through-holes in the second PCB, and, for each pin, a thermally-conductive stud of the same cross-section as the pin, bonded to the BGA and disposed within the through-hole between the pin and the first PCB in thermal contact with the pin.