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. 04, 1990
Filed:
Aug. 23, 1989
Applicant:
Inventor:
Kazuhiko Umezawa, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
357 81 ; 357 80 ; 357 82 ;
Abstract
A structure for detecting a temperature of a package which includes a circuit board having mounted thereon a plurality of integrated circuit chips, each of which is accommodated in a chip carrier, a cooling plate facing the integrated circuit chips for performing a heat exchanger with a coolant, a temperature sensing block including a case which is mounted on the circuit board and has substantially the same height as the chip carriers with at least one temperature sensor accommodated in the case, and a heat-conducting medium filling small clearances defined between the cold plate and the integrated circuit chips and the temperature sensing block.