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:
Sep. 06, 1994
Filed:
Feb. 20, 1992
Takahiro Daikoku, Ushiku, JP;
Nobuo Kawasaki, Ibaraki, JP;
Noriyuki Ashiwake, Tsuchiura, JP;
Keizou Kawamura, Ibaraki, JP;
Shizuo Zushi, Hadano, JP;
Mitsuo Miyamoto, Hadano, JP;
Atsushi Morihara, Katsuta, JP;
Hitachi, Ltd., , JP;
Abstract
The present invention relates to a cooling apparatus for an electronic device, in which a cooling solid body in close contact through thermal conductive fluid with a heat transfer portion of the electronic device is provided, on its one surface in contact with the electronic device, with a number of grooves communicating with the outside of the heat transfer portion, and a spring member for elastically pressing this cooling solid body on the electronic device is provided for forcing the cooling solid body into close contact with the electronic device by means of the thermal conductive fluid in a third layer.