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:
Jan. 27, 2026

Filed:

Aug. 03, 2021
Applicants:

Asml Netherlands B.v., Veldhoven, NL;

Asml Holding N.v., Veldhoven, NL;

Inventors:

Ali Alsaqqa, Norwalk, CT (US);

Aabid Patel, Stamford, CT (US);

Patrick Sebastian Uebel, Marloffstein, DE;

Amir Abdolvand, Eindhoven, NL;

Paulus Antonius Andreas Teunissen, Eindhoven, NL;

Wisham F Kadhim, Shelton, CT (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/00 (2006.01); G02F 1/35 (2006.01);
U.S. Cl.
CPC ...
G03F 7/70625 (2013.01); G02F 1/3523 (2013.01); G03F 7/70041 (2013.01); G03F 7/70558 (2013.01);
Abstract

A radiation source arrangement including: a radiation source operable to generate source radiation including source energy pulses; and at least one non-linear energy-filter operable to filter the source radiation to obtain filtered radiation including filtered energy pulses. The at least one non-linear energy-filter is operable to mitigate variation in energy in the filtered radiation by reducing the energy level of the source energy pulses which have an energy level corresponding to one of both extremities of an energy distribution of the source energy pulses by a greater amount than the source energy pulses which have an energy level corresponding to a peak of the energy distribution.


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