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. 06, 1990
Filed:
Jun. 24, 1988
Applicant:
Inventor:
Shinichi Chikaki, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
357 68 ; 357 54 ;
Abstract
A semiconductor device in which a polyimide film is used as an inter-ply insulating film is disclosed. Bonding pads are formed on the polyimide film and an insulating film such as a silicon nitride film is formed on the polyimide film and on the bonding pads except bonding areas thereof. At least one small aperture is formed in the insulating film and a metal layer having an island shape is provided on the polyimide film within the small aperture.