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.

Date of Patent:
Dec. 16, 2014

Filed:

Sep. 28, 2012
Applicants:

Sumitomo Electric Industries, Ltd., Osaka-shi, JP;

Sumitomo Electric Hardmetal Corp., Itami-shi, JP;

Inventors:

Katsuhito Yoshida, Itami, JP;

Kenichi Kurisu, Itami, JP;

Tatsuya Kyotani, Itami, JP;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C04B 35/00 (2006.01); C04B 35/645 (2006.01); G02B 1/02 (2006.01); C04B 35/547 (2006.01); G02B 3/00 (2006.01);
U.S. Cl.
CPC ...
G02B 1/02 (2013.01); C04B 2235/656 (2013.01); C04B 35/547 (2013.01); G02B 3/00 (2013.01); C04B 2235/9638 (2013.01); C04B 35/645 (2013.01); C04B 2235/78 (2013.01); C04B 2235/786 (2013.01); C04B 2235/77 (2013.01);
Abstract

An optical component of the present invention is composed of a ZnSe polycrystal body, and the ZnSe polycrystal body is constituted by crystal grains with an average grain size larger than or equal to 50 μm and smaller than or equal to 1 mm and has a relative density higher than or equal to 99%.


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