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:
Feb. 11, 2003
Filed:
Sep. 07, 2000
Applicant:
Inventors:
Yasuhiro Ootori, Kanagawa, JP;
Chiyoshi Sasaki, Kanagawa, JP;
Assignee:
Sony Computer Entertainment Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22D 1/700 ;
U.S. Cl.
CPC ...
B22D 1/700 ;
Abstract
A device and method for manufacturing a heat sink that has a base and heat radiating fins of various shapes and has a prescribed strength, high heat-radiating efficiency, and whose base and heat-radiating fins are formed integrally. The heat sink manufacturing device includes a die casting machine which has the cavity for a base and heat-radiating fins, and which includes a fixed mold, a movable mold that can move in the vertical or up-down direction, and a slide mold that can move in the horizontal direction.