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:
Sep. 04, 2012
Filed:
Oct. 16, 2009
Kenji Watanabe, Tsukuba, JP;
Takashi Taniguchi, Tsukuba, JP;
Satoshi Koizumi, Tsukuba, JP;
Hisao Kanda, Tsukuba, JP;
Masayuki Katagiri, Tsukuba, JP;
Takatoshi Yamada, Tsukuba, JP;
Nesladek Milos, Tsukuba, JP;
Kenji Watanabe, Tsukuba, JP;
Takashi Taniguchi, Tsukuba, JP;
Satoshi Koizumi, Tsukuba, JP;
Hisao Kanda, Tsukuba, JP;
Masayuki Katagiri, Tsukuba, JP;
Takatoshi Yamada, Tsukuba, JP;
Nesladek Milos, Tsukuba, JP;
National Institute for Materials Science, Tsukuba-Shi, JP;
Abstract
A solid-state far ultraviolet light emitting element is formed by a hexagonal boron nitride single crystal, excited by electron beam irradiation to emit far ultraviolet light having a maximum light emission peak in a far ultraviolet region at a wavelength of 235 nm or shorter.