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:
Nov. 30, 2010
Filed:
Jun. 21, 2005
Applicants:
Tomohiro Kimura, Matsusaka, JP;
Takuto Yasumatsu, Matsusaka, JP;
Inventors:
Tomohiro Kimura, Matsusaka, JP;
Takuto Yasumatsu, Matsusaka, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 23/62 (2006.01); H01L 21/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
An island of a crystalline semiconductor according to the present invention has an upper surface and a sloped side surface, which are joined together with a curved surface. Crystal grains in a body portion of the island, including the upper surface, and crystal grains in an edge portion of the island, including the sloped side surface, both have average grain sizes that are greater than 0.2 μm.