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:
Feb. 13, 2024

Filed:

Jan. 13, 2023
Applicant:

Taiwan Semiconductor Manufacturing Company, Ltd., Hsinchu, TW;

Inventors:

Wen Lo, Taipei, TW;

Shih-Ming Chang, Hsinchu, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 37/317 (2006.01); H01J 37/304 (2006.01); G03F 7/00 (2006.01);
U.S. Cl.
CPC ...
G03F 7/70433 (2013.01); H01J 37/304 (2013.01); H01J 37/3174 (2013.01); H01J 2237/31769 (2013.01);
Abstract

A method of generating a layout pattern includes determining a first energy density indirectly exposed to a first feature of one or more features of a layout pattern on an energy-sensitive material when the one or more features of the layout pattern on the energy-sensitive material are directly exposed by a charged particle beam. The method also includes adjusting a second energy density exposed the first feature when the first feature is directly exposed by the charged particle beam. A total energy density of the first feature that comprises a sum of the first energy density from the indirect exposure and the second energy density from the direct exposure is maintained at about a threshold energy level to fully expose the first feature in the energy-sensitive material.


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