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:
Jul. 20, 1999
Filed:
Oct. 28, 1996
Heikichi Kuwahara, Tsuchiura, JP;
Kazumasa Fujioka, Ibaraki-ken, JP;
Toshio Takasaki, Katsuta, JP;
Syuuji Saitoo, Katsuta, JP;
Eiichi Toyota, Katsuta, JP;
Hitachi, Ltd., , JP;
Abstract
A cooling apparatus for electronic device comprises an electronic element unit which comprises a base member, a thermal conductive electric insulating layer soldered to the base member and a plurality of electronic elements soldered to the thermal conductive electric insulating layer at least one cooling unit which is detachably kept in pressure contact with the base member of the electronic element unit and comprises a cooling block, at least one heat pipe having a refrigerant sealingly contained therein and inserted in the cooling block at one end thereof and a plurality of radiation fins provided at the other end of the at least one heat pipe; and a device which serves to detachably keep the electronic element unit and the cooling unit in pressure contact with each other. The other end of the heat pipe extends obliquely with a predetermined angle (.alpha.) with respect to the inserted portion thereof.