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. 02, 2011
Filed:
Feb. 08, 2007
Applicants:
Tsuyoshi Sonehara, Kokubunji, JP;
Takashi Anazawa, Koganei, JP;
Inventors:
Tsuyoshi Sonehara, Kokubunji, JP;
Takashi Anazawa, Koganei, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 3/14 (2006.01); H01J 40/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
The object of the present invention is to acquire the brightness of NA>1 while alleviating the requirement for the precision of positioning for the collection lens of the sample cell in a non-liquid immersion system. In order to achieve the object mentioned above, the bottom of the sample cell is formed in a curved surface, and an arrangement is made to ensure that the fluorescence irradiated from the focusing point would be parallel pencils when emitted by the cell, and in addition a pinhole is disposed at the focal point of the fluorescence collection lens.