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:
Oct. 07, 2014
Filed:
May. 07, 2013
Applicant:
Hamamatsu Photonics K.k., Hamamatsu, JP;
Inventors:
Kazutoshi Nakajima, Hamamatsu, JP;
Toru Hirohata, Hamamatsu, JP;
Wataru Aka-Hori, Hamamatsu, JP;
Kazunori Tanaka, Hamamatsu, JP;
Kazuue Fujita, Hamamatsu, JP;
Assignee:
Hamamatsu Photonics K.K., Hamamatsu-shi, Shizuoka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/0232 (2014.01); G02B 1/00 (2006.01);
U.S. Cl.
CPC ...
H01L 31/02327 (2013.01); G02B 1/005 (2013.01);
Abstract
An optical elementfor transmitting light therethrough along a predetermined direction and modulating the light comprises a structurehaving a first region Rand a second region Rperiodically arranged with respect to the first region Ralong a plane perpendicular to the predetermined direction, the first and second regions R, Rhaving respective refractive indexes different from each other, and properties of transmitting the light therethrough.