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:
Aug. 09, 2016
Filed:
May. 17, 2012
Tomonori Nakamura, Hamamatsu, JP;
Ikuo Arata, Hamamtsu, JP;
Yoshihiro Ito, Hamamatsu, JP;
HAMAMATSU PHOTONICS K.K., Hamamatsu-shi, Shizuoka, JP;
Abstract
An optical device for microscopic observationcomprises: a cold stophaving openingscorresponding to a low-magnification microscope optical systemand being a stop member arranged in a vacuum vesselto let the light from the sample S pass to the camera; a warm stophaving an openingcorresponding to a high-magnification microscope optical systemand being a stop member arranged outside the vacuum vesselto let the light from the sample S pass toward the cold stop; and a support membersupporting the warm stopso that the warm stop can be inserted to or removed from on the optical axis of the light from the sample S, wherein the warm stophas a reflective surfaceon the cameraside and wherein the openingis smaller than the openings