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. 14, 2025

Filed:

Jan. 02, 2020
Applicant:

Asml Netherlands B.v., Veldhoven, NL;

Inventors:

Marie-Claire Van Lare, Utrecht, NL;

Frank Jan Timmermans, Eindhoven, NL;

Friso Wittebrood, Cuijk, NL;

John Martin McNamara, Veldhoven, NL;

Jozef Maria Finders, Veldhoven, NL;

Assignee:

ASML NETHERLANDS B.V., Veldhoven, NL;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 1/24 (2012.01); G03F 1/26 (2012.01); G03F 1/32 (2012.01); G03F 7/20 (2006.01);
U.S. Cl.
CPC ...
G03F 1/32 (2013.01); G03F 1/24 (2013.01); G03F 1/26 (2013.01); G03F 7/20 (2013.01);
Abstract

An attenuated phase shift patterning device including a first component for reflecting radiation, and a second component for reflecting radiation with a different phase with respect to the radiation reflected from the first component, the second component covering at least a portion of the surface of the first component such that a pattern including at least one uncovered portion of the first component is formed for generating a patterned radiation beam in a lithographic apparatus in use, wherein the second component includes a material having a refractive index with a real part (n) being less than 0.95 and an imaginary part (k) being less than 0.04.


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