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:
Aug. 08, 2017

Filed:

Sep. 06, 2013
Applicant:

Hamamatsu Photonics K.k., Hamamatsu-shi, Shizuoka, JP;

Inventors:

Yoshinori Honda, Hamamatsu, JP;

Hiroyuki Taketomi, Hamamatsu, JP;

Fumitsugu Fukuyo, Hamamatsu, JP;

Koji Kawai, Hamamatsu, JP;

Hidetsugu Takaoka, Hamamatsu, JP;

Takashi Suzuki, Hamamatsu, JP;

Assignee:

HAMAMATSU PHOTONICS K.K., Hamamatsu-shi, Shizuoka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 63/06 (2006.01); C09K 11/77 (2006.01); B05D 5/06 (2006.01); H01J 9/22 (2006.01);
U.S. Cl.
CPC ...
H01J 63/06 (2013.01); B05D 5/061 (2013.01); C09K 11/7774 (2013.01); H01J 9/221 (2013.01); C09K 2211/1416 (2013.01);
Abstract

A target for ultraviolet light generation comprises a substrate adapted to transmit ultraviolet light therethrough and a light-emitting layer disposed on the substrate and generating ultraviolet light UV in response to an electron beam. The light-emitting layer includes a powdery or granular rare-earth-containing aluminum garnet crystal doped with an activator. The light-emitting layer has an ultraviolet light emission peak wavelength of 300 nm or shorter.


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