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.:

US 7868996 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 11, 2011

Filed:

Oct. 18, 2006
Applicants:

Hiromasa Shibata, Yokohama, JP;

Manabu Komatsu, Yokohama, JP;

Toshio Uchikawa, Chigasaki, JP;

Inventors:

Hiromasa Shibata, Yokohama, JP;

Manabu Komatsu, Yokohama, JP;

Toshio Uchikawa, Chigasaki, JP;

Assignee:

Nikon Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 27/52 (2006.01);
U.S. Cl.
CPC ...
Abstract

To provide a liquid immersion microscope device enabling nondestructive liquid immersion observation of a substrate without deteriorating quality of the substrate. To attain this, a liquid immersion microscope device of the present invention includes a supporting unit supporting a substrate as an observation target, an objective lens of a liquid immersion type, a first supplying unit supplying ultrapure water as a liquid for observation to a gap between a tip of the objective lens and the substrate, a first draining unit draining the liquid for observation after observation of the substrate, a second supplying unit supplying a liquid for cleaning, which is different from the liquid for observation drained by the first draining unit, to an area, of the substrate, that has been in contact with the liquid for observation, and a second draining unit draining the liquid for cleaning after the substrate is cleaned.


Find Patent Forward Citations

Shibata, Hiromasa. (2011). Liquid immersion microscope (U.S. Patent No. 7868996). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7868996

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