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:
Nov. 07, 2023

Filed:

Sep. 25, 2018
Applicant:

Asml Netherlands B.v., Veldhoven, NL;

Inventors:

Jian Zhang, San Jose, CA (US);

Zhiwen Kang, San Jose, CA (US);

Yixiang Wang, Fremont, CA (US);

Assignee:

ASML Netherlands B.V., Veldhoven, NL;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 21/02 (2006.01); G02B 9/00 (2006.01); G02B 13/18 (2006.01); H01J 37/22 (2006.01); H01J 37/28 (2006.01); G09B 9/10 (2006.01); G01N 23/2251 (2018.01);
U.S. Cl.
CPC ...
G02B 21/02 (2013.01); G02B 9/00 (2013.01); G02B 13/18 (2013.01); G09B 9/10 (2013.01); H01J 37/226 (2013.01); H01J 37/28 (2013.01); G01N 23/2251 (2013.01); H01J 2237/26 (2013.01); H01J 2237/2802 (2013.01);
Abstract

An objective lens for forming an image of an object. The objective lens includes, sequentially from an image side to an object side, a first lens group having negative refractive power, and a second lens group having positive refractive power.


Find Patent Forward Citations

Zhang, Jian. (2023). Optical objective lens (U.S. Patent No. 11808930). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11808930

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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