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:
Nov. 27, 1990
Filed:
Dec. 14, 1988
Applicant:
Inventor:
Hideyuki Ichiyama, Itami, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
357 67 ; 357 72 ; 357 74 ; 437209 ;
Abstract
A plastic packaged semiconductor device includes a semiconductor chip with electrodes formed on the surface thereof, a package body made of resin molded to the semiconductor chip, and an adhesion improving film formed on those portions of the surface of the semiconductor chip which surround the electrodes for enhancing the adhesion of the semiconductor chip to the package body.