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:
Mar. 29, 1988
Filed:
Apr. 16, 1987
Applicant:
Inventors:
Donald K Lauffer, Poway, CA (US);
Ikuo J Sanwo, San Marcos, CA (US);
Donald G Tipon, San Diego, CA (US);
Assignee:
NCR Corporation, Dayton, OH (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05K / ;
U.S. Cl.
CPC ...
361385 ; 29879 ; 165 804 ; 174 / ; 357 83 ; 361413 ; 439179 ;
Abstract
Apparatus and method for removably mounting an integrated circuit package having a plurality of electrical pins wherein a plurality of mating pins each having a receptacle filled with liquid mercury are connected to the electrical pins of the integrated circuit package and the temperature reduced such that the liquid mercury solidifies thereby firmly bonding the electrical pins together. The assembly may be inserted into a Dewar type vessel and covered with a low temperature liquified gas for the dual purpose of solidfying the liquid mercury and cooling the integrated circuit package.