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:
May. 28, 1996
Filed:
Apr. 05, 1994
Applicant:
Inventors:
Paolo Casati, Milan, IT;
Giuseppe Marchisi, Milan, IT;
Assignee:
SGS-Microelectronics S.r.l., Milan, IT;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
257718 ; 257719 ; 361710 ; 361719 ;
Abstract
A combination of an electronic semiconductor device comprising a metal plate and a plastics body which encapsulates the metal plate leaving at least a major surface thereof exposed, a heat sink, and means of fastening the heat sink to the device. To enable securement of the heat sink on the device without any external fastening arrangement having to be used, and without unduly straining the solder spot of the device pins to a printed circuit, the device is provided with undercut regions on opposite sides adjacent to the exposed surface of the plate for releasable engagement by the fastening means.