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.:
Date of Patent:
Aug. 28, 2018
Filed:
Jun. 22, 2015
Applicant:
Asml Netherlands B.v., Veldhoven, NL;
Inventor:
Jan Cornelis Van Der Hoeven, Veldhoven, NL;
Assignee:
ASML NETHERLANDS B.V., Veldhoven, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/20 (2006.01); G03F 1/82 (2012.01);
U.S. Cl.
CPC ...
G03F 7/70341 (2013.01); G03F 7/70916 (2013.01); G03F 7/70925 (2013.01); G03F 1/82 (2013.01);
Abstract
A method for preventing or reducing contamination of an immersion type projection apparatus is provided. The apparatus includes at least one immersion space that is at least partially filled with a liquid when the apparatus projects a beam of radiation onto a substrate. The method includes rinsing at least part of the immersion space with a rinsing liquid before the apparatus is used to project the beam of radiation onto a substrate.