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:
Apr. 01, 2003
Filed:
Sep. 26, 2001
Applicant:
Inventor:
Yoshihide Miyazawa, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K 7/20 ;
U.S. Cl.
CPC ...
H05K 7/20 ;
Abstract
A heat sink and a power source unit employing the same can minimize leakage of plosive outside of the power source unit upon failure of semiconductor parts and can restrict leakage of flashing, odor, smoke and so forth which is possibly caused upon occurrence of failure of the semiconductor parts. The heat sink has a heat radiating casing housing therein a semiconductor part forming a power source unit therein and whereby sealing the semiconductor part within the casing.