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:
Apr. 13, 2010
Filed:
Oct. 27, 2006
Hiroaki Kinoshita, Akishima, JP;
Daisuke Nishiwaki, Hino, JP;
Kazuhiko Hosono, Hachioji, JP;
Masahiro Sakakura, Hino, JP;
Hiroaki Kinoshita, Akishima, JP;
Daisuke Nishiwaki, Hino, JP;
Kazuhiko Hosono, Hachioji, JP;
Masahiro Sakakura, Hino, JP;
Olympus Corporation, Tokyo, JP;
Abstract
A fluorescence observation or fluorescence measuring system has at least one of a low-fluorescence objective lens including optical elements made of low-fluorescence glass, satisfying Condition (a) described below, a low-fluorescence immersion substance satisfying Condition (b) described below, and a low-fluorescence cover glass satisfying Condition (c) described below:≦0.7  (a)≦0.7  (b)≦0.7  (c)where B', B′, and B′ are average intensity values of auto-fluorescence from the low-fluorescence objective lens, immersion substance, and cover glass, respectively, and B, B, and Bare average intensity values of auto-fluorescence from a conventional objective lens, immersion substance, and cover glass, respectively, generally used.
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