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 7649612 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 19, 2010

Filed:

Jan. 27, 2006
Applicants:

Qunying Lin, Singapore, SG;

Sia Kim Tan, Singapore, SG;

Liang-choo Hsia, Singapore, SG;

Inventors:

Qunying Lin, Singapore, SG;

Sia Kim Tan, Singapore, SG;

Liang-Choo Hsia, Singapore, SG;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 27/54 (2006.01); G03B 27/72 (2006.01);
U.S. Cl.
CPC ...
Abstract

A phase shifting photolithography system includes inserting a phase shift component in a path of an illumination, wherein the phase shift component modifies a portion of the illumination to a different, and controlling an aperture shutter of the phase shift component modifying an interference of the illumination and the illumination with the different phase.


Find Patent Forward Citations

Lin, Qunying. (2010). Phase shifting photolithography system (U.S. Patent No. 7649612). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7649612

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

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