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:
Apr. 12, 1994
Filed:
Oct. 04, 1991
Applicant:
Inventors:
Donald C Abbott, Norton, MA (US);
Raymond A Frechette, N. Providence, RI (US);
Assignee:
Texas Instruments Incorporated, Dallas, TX (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
437209 ; 437211 ; 437214 ; 437215 ; 437219 ; 174 522 ; 174 523 ; 427421 ; 427427 ;
Abstract
The invention is to a semiconductor package and the method of making the package. A moisture resistant coating such as a ceramic, silica or other plastic material is applied over a plastic packaged semiconductor device to seal the package from moisture.