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. 22, 2004
Filed:
Sep. 20, 2002
Applicant:
Inventors:
Katsufumi Tanaka, Kariya, JP;
Kyoichi Kinoshita, Kariya, JP;
Takashi Yoshida, Kariya, JP;
Tomohei Sugiyama, Kariya, JP;
Eiji Kono, Kariya, JP;
Assignee:
Kabushiki Kaisha Toyota Jidoshokki, Kariya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 7/02 ; B32B 1/501 ; B32B 1/518 ;
U.S. Cl.
CPC ...
B32B 7/02 ; B32B 1/501 ; B32B 1/518 ;
Abstract
A heat spreader includes an electromagnetic soft iron sheet and a plating layer formed on the surface of the sheet. The plate is made of a rustproof metal. An electronic component is mounted on an aluminum base with an HITT substrate and the heat spreader in between. The heat spreader is manufactured at low cost and has a favorable property as a heat dissipating material.