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:
Jun. 26, 2018

Filed:

Sep. 22, 2015
Applicant:

Kla-tencor Corporation, Milpitas, CA (US);

Inventor:

Nuriel Amir, Yokne'am Ilit, IL;

Assignee:

KLA-Tencor Corporation, Milpitas, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 37/302 (2006.01); G03F 9/00 (2006.01); H01J 37/317 (2006.01); H01J 37/304 (2006.01);
U.S. Cl.
CPC ...
H01J 37/3026 (2013.01); G03F 9/7019 (2013.01); H01J 37/3045 (2013.01); H01J 37/3177 (2013.01);
Abstract

Alignment of multi-beam pattern tools includes generating a test pattern having multiple features with a multi-beam patterning tool, acquiring an image standard associated with a test pattern standard, acquiring an image of a portion of the test pattern, comparing the portion of the image of the test pattern to the image standard to identify one or more irregularities between the portion of the image of the test pattern and the image standard, and adjusting one or more beams of the multi-beam patterning tool based on the one or more identified irregularities between the portion of the image of the test pattern and the image standard.


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