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:
Sep. 13, 2005
Filed:
Jul. 28, 2003
Applicants:
Koji Usuda, Yokohama, JP;
Shinichi Takagi, Tokyo, JP;
Inventors:
Koji Usuda, Yokohama, JP;
Shinichi Takagi, Tokyo, JP;
Assignee:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01L031/0328 ; H01L031/0336 ; H01L031/072 ; H01L031/109 ;
U.S. Cl.
CPC ...
Abstract
A semiconductor apparatus includes a substrate, a buffer layer made of a monocrystal semiconductor material and formed on the substrate, a strained-Si layer formed on the buffer layer and having a lattice constant different from that of the buffer layer, a monocrystal insulating film formed on the strained-Si layer and made of a material having a rare earth structure with a lattice constant different from that of Si, and an electrode formed on the insulating film.