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 9005882 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 14, 2015

Filed:

May. 12, 2014
Applicant:

Globalfoundries Inc., Grand Cayman, KY (US);

Inventor:

Arthur Hotzel, Dresden, DE;

Assignee:

GLOBALFOUNDRIES Inc., Grand Cayman, KY;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/20 (2006.01); G03F 7/40 (2006.01); G03F 1/24 (2012.01); G03F 1/72 (2012.01); G03F 1/84 (2012.01);
U.S. Cl.
CPC ...
G03F 7/40 (2013.01); G03F 1/24 (2013.01); G03F 1/72 (2013.01); G03F 1/84 (2013.01); G03F 7/70466 (2013.01); G03F 7/70283 (2013.01); G03F 7/7045 (2013.01); G03F 7/7065 (2013.01);
Abstract

Correction of reticle defects, such as EUV reticle defects, is accomplished with a second exposure. Embodiments include obtaining a reticle with a first pattern corresponding to a design for a wafer pattern, detecting dark defects and/or design/OPC weak spots in the first pattern, exposing a resist covered wafer using the reticle, and exposing the wafer using a second reticle with a second pattern or a second image field with openings corresponding to the dark defects, with a repair pattern on the reticle or on another reticle, or with a programmed e-beam or laser writer.


Find Patent Forward Citations

Hotzel, Arthur. (2015). Reticle defect correction by second exposure (U.S. Patent No. 9005882). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9005882

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

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