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. 02, 2010
Filed:
Mar. 02, 2007
Applicants:
Hitoshi Ikeda, Annaka, JP;
Akio Nakamura, Annaka, JP;
Inventors:
Hitoshi Ikeda, Annaka, JP;
Akio Nakamura, Annaka, JP;
Assignee:
Shin-Etsu Handotai Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/46 (2006.01);
U.S. Cl.
CPC ...
Abstract
Aiming at providing a method of fabricating a light emitting device having an AlGaInP light emitting section, less causative of crack by cleavage, on the edge portions on the back surface of the device chip in process of dicing or breaking, a light emitting device wafer is diced along a dicing line inclined at an angle of 15° to 30°, both ends inclusive, away from a dicing line angle reference direction defined as the <110> direction on the (100) main surface.