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. 10, 2004
Filed:
Mar. 08, 2002
Applicant:
Inventors:
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 2/18234 ;
U.S. Cl.
CPC ...
H01L 2/18234 ;
Abstract
A semiconductor device comprises: a semiconductor substrate on which a silicon germanium film, a carbon-containing silicon film and a silicon film are formed in this order and a gate electrode on the semiconductor substrate with intervention of a gate oxide film, wherein a channel region of the semiconductor device the is formed in the carbon-containing silicon film or wherein a channel region of the semiconductor device is formed in the silicon germanium film.