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.

Date of Patent:
Aug. 14, 2007

Filed:

May. 27, 2005
Applicant:

Sang-hun Kim, Seoul, KR;

Inventor:

Sang-Hun Kim, Seoul, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

There is provided a particle detector system and to detect particles on target including reticle and pellicle. The system includes a light transmitting device adapted to transmit light beam to a target through an electrowetting microlens, a light receiving device adapted to receive the transmitted light beam reflected by a surface of the target, a light refraction angle adjusting controller adapted to apply a voltage to the electrowetting microlens in order to adjust an incident angle of the light irradiated, and a detector adapted to analyze the light received by the light receiving device to determine whether there are particles on a surface of the target.


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