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. 23, 1999
Filed:
Aug. 21, 1997
Applicant:
Inventor:
Peter R Ewer, Surrey, GB;
Assignee:
International Rectifier Corporation, El Segundo, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
257667 ; 257730 ;
Abstract
A surface mount semiconductor package employs locking elements for locking a plastic housing to a metal pad on which a semiconductor device is mounted. The package includes terminals having elongated crushable beads on their side surfaces adjacent the portions of the terminals just outside the plastic housing. The beads are crushed inwardly by a molding tool when it closes to provide a seal which prevents the molding plastic from bleeding out and over the sides of the terminals which extend beyond the housing and which could interfere with solder connection to the terminals.