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:
Dec. 16, 2003
Filed:
Feb. 19, 2003
Applicant:
Inventors:
Kunio Shikata, Osaka, JP;
Masao Katooka, Osaka, JP;
Yoshimasa Kawashima, Osaka, JP;
Hideo Ishii, Osaka, JP;
Assignee:
Sansha Electric Manufacturing Company, Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K 7/20 ;
U.S. Cl.
CPC ...
H05K 7/20 ;
Abstract
A power supply apparatus has chassis ( ) mounted on opposing surfaces of a heat sink ( ). Printed circuit boards ( ) are disposed outward of the chassis ( ) and detachably secured to the chassis ( ). Semiconductor modules ( ) are mounted on the respective surfaces of the heat sink ( ) facing toward the printed circuit boards ( ) and extend through the chassis ( ). The semiconductor modules ( ) are electrically connected to the printed circuit boards ( ) to form a power supply circuit.