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:
Oct. 05, 2004
Filed:
May. 21, 2003
Applicant:
Inventor:
Hajime Kurata, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 2/120 ; H01L 2/1336 ;
U.S. Cl.
CPC ...
H01L 2/120 ; H01L 2/1336 ;
Abstract
A semiconductor device includes a T-shaped gate on a gate insulation film, wherein the T-shaped gate includes a lower polycrystal layer containing Si and Ge and an upper polycrystal layer of polysilicon.