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:
Jul. 10, 2007
Filed:
May. 25, 2006
Applicants:
Jeffrey Scott Cross, Kawasaki, JP;
Mineharu Tsukada, Kawasaki, JP;
Yoshimasa Horii, Kawasaki, JP;
Alexei Gruverman, Raleigh, NC (US);
Angus Kingon, Raleigh, NC (US);
Inventors:
Jeffrey Scott Cross, Kawasaki, JP;
Mineharu Tsukada, Kawasaki, JP;
Yoshimasa Horii, Kawasaki, JP;
Alexei Gruverman, Raleigh, NC (US);
Angus Kingon, Raleigh, NC (US);
Assignee:
Fujitsu Limited, Kawasaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/8242 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor device comprises a substrate, a ferroelectric capacitor which includes a ferroelectric film on the substrate, and a stress application layer which applies tensile or compressive stress to the ferroelectric film of the ferroelectric capacitor by applying stress to the substrate.