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:
Mar. 15, 2016
Filed:
Oct. 17, 2013
Applicant:
Kyocera Corporation, Kyoto-shi, Kyoto, JP;
Inventors:
Assignee:
Kyocera Corporation, Kyoto, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 29/32 (2006.01); H01L 29/36 (2006.01); H01L 29/06 (2006.01); H01L 21/762 (2006.01); H01L 21/22 (2006.01);
U.S. Cl.
CPC ...
H01L 29/0607 (2013.01); H01L 21/22 (2013.01); H01L 21/2205 (2013.01); H01L 21/76256 (2013.01); H01L 29/36 (2013.01);
Abstract
A composite substrate which includes a silicon layer having less lattice defects is provided. A composite substrate includes an insulating substrate and a functional layer of which one main surface is bonded to an upper surface of the substrate. A dopant concentration of the functional layer decreases from the other main surface toward the substrate side in a thickness direction of the functional layer.