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:
Jan. 01, 1991
Filed:
Feb. 06, 1989
Applicant:
Inventors:
David R Collins, Eau Claire, WI (US);
Perry D Franz, Elk Mound, WI (US);
Pamela W Taylor, Eau Claire, WI (US);
Assignee:
Cray Research, Inc., Chippewa Falls, WI (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R / ; G01R / ;
U.S. Cl.
CPC ...
3241 / ; 3241 / ; 3241 / ; 279-3 ;
Abstract
A method and apparatus for testing integrated circuit devices includes a cooling chuck which is extensible within a bore in a cooling chuck body to a position in thermal contact with the integrated circuit device. The temperature of the cooling chuck is regulated by a fluid cooling system, which can be set to operate at a selected capacity to maintain the integrated circuit device at a desired temperature during testing.