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:
Sep. 27, 1988
Filed:
May. 23, 1986
Applicant:
Inventor:
Hiroshi Takagi, Itami, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Hyogo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
357 65 ; 357 51 ; 357 54 ; 357 84 ;
Abstract
A semiconductor device with a circuit including a fuse wiring which comprises a step portion provided on a first insulating film which is provided on a substrate; a fuse wiring provided on the step portion via a second insulating film so that the central portion of the fuse wiring traverses the step portion; the central portion of the fuse wiring being positioned at a higher position than both the side portions thereof by a distance equal to the thickness of the step portion; and a third insulating film having a flat surface provided on the fuse wiring.