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:
Jan. 11, 2005
Filed:
Mar. 19, 2003
Applicants:
Takeyasu Saito, Kawasaki, JP;
Seiji Ueno, Kawasaki, JP;
Inventors:
Takeyasu Saito, Kawasaki, JP;
Seiji Ueno, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 2976 ;
U.S. Cl.
CPC ...
Abstract
There are provided a first insulating film formed over a semiconductor substrate, actual operating capacitors formed on the first insulating film in a memory cell region vertically and horizontally, dummy capacitors formed selectively at four corners of the memory cell region, and a second insulating film formed on the actual operating capacitors and the dummy capacitors.