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:
Jan. 05, 1999
Filed:
Nov. 06, 1997
Applicant:
Inventor:
Hitoshi Kaizu, Yokohama, JP;
Assignee:
Nikon Corporation, Chiyoda-ku, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
359821 ; 359823 ;
Abstract
A microscope objective lens has a modulator. The modulator can be rotated with respect to the objective lens to compensate for a change in orientation of the objective lens. This is achieved by providing various means on the objective lens for transmitting torque to the modulator, thereby rotating it.