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. 06, 2018
Filed:
Oct. 23, 2014
Applicant:
Fujikura, Ltd., Tokyo, JP;
Inventor:
Takeshi Kizaki, Tokyo, JP;
Assignee:
FUJIKURA, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 1/02 (2006.01); G02F 1/09 (2006.01); G02F 1/00 (2006.01); C30B 29/28 (2006.01); C30B 33/00 (2006.01); G02B 27/28 (2006.01); C30B 15/00 (2006.01); C30B 29/34 (2006.01); G02F 1/01 (2006.01);
U.S. Cl.
CPC ...
G02F 1/0036 (2013.01); C30B 15/00 (2013.01); C30B 29/28 (2013.01); C30B 29/34 (2013.01); C30B 33/00 (2013.01); G02B 1/02 (2013.01); G02B 27/286 (2013.01); G02F 1/0136 (2013.01); G02F 1/09 (2013.01);
Abstract
The present invention is a crystal body configured with a crystal and having a pair of light passing surfaces which face each other and pass light and at least one side surface which connects the pair of the light passing surfaces. In the crystal body according to the present invention, a ratio B/A of a dislocation density A (number/cm) in the light passing surfaces and a dislocation density B (number/cm) in the side surface satisfies the following general formula.1≦()≦3600  (1)