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:
Aug. 12, 1997
Filed:
May. 10, 1996
Applicant:
Inventor:
Tadashi Fukase, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
438398 ; 438964 ;
Abstract
In a method for manufacturing a capacitor, a lower electrode is formed by an amorphous refractory metal silicide layer and its underlying conductive layer, a heating operation is performed upon the amorphous refractory metal silicide layer, so that the amorphous refractory metal silicide layer is converted into a polycrystalline refractory metal layer having an uneven surface.