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:
May. 19, 2015
Filed:
Jul. 20, 2012
Emmanuel Froigneux, Villeuneuve D'ascq, FR;
Joachim Schreiber, Villeuneuve D'ascq, FR;
Emmanuel Froigneux, Villeuneuve D'ascq, FR;
Joachim Schreiber, Villeuneuve D'ascq, FR;
HORIBA JOBIN YVON SAS, Longjumeau, FR;
Abstract
A method of microscopy and an illumination optical device with a hollow cone for a microscope, the illumination device includes a first conical lens () able to receive a collimated incident light beam () and form a conical light beam (), a second conical lens () arranged in such a way as to receive the conical light beam () and to form a cylindrical light beam with a black background () and an optical lens () having an image focal plane () arranged in such a way as to receive the cylindrical light beam with a black background (), to form a hollow cone light beam () and to focus the hollow cone light beam () into a point () in the image focal plane ().