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:
Feb. 10, 2004
Filed:
Oct. 22, 2002
Applicant:
Inventors:
Shinya Yamaguchi, Mitaka, JP;
Takeo Shiba, Kodaira, JP;
Mutsuko Hatano, Kokubunji, JP;
Seong-Kee Park, Hachioji, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 2/1331 ;
U.S. Cl.
CPC ...
H01L 2/1331 ;
Abstract
A thin film transistor is provided containing polycrystalline Si—Ge alloy. A high performance TFT may be provided having crystal structure restraining both current scattering in a grain boundary and surface roughness by introduction of Ge into Si. An image display device may be realized having a high performance and a large area at a low cost.