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公开(公告)号:US09134623B2
公开(公告)日:2015-09-15
申请号:US14266591
申请日:2014-04-30
Applicant: ASML NETHERLANDS B.V.
Inventor: Bob Streefkerk , Johannes Jacobus Matheus Baselmans , Richard Joseph Bruls , Marcel Mathijs Theodore Marie Dierichs , Sjoerd Nicolaas Lambertus Donders , Christiaan Alexander Hoogendam , Hans Jansen , Erik Roelof Loopstra , Jeroen Johannes Sophia Maria Mertens , Johannes Catharinus Hubertus Mulkens , Ronald Walther Jeanne Severijns , Sergei Shulepov , Herman Boom , Timotheus Franciscus Sengers
IPC: G03F7/20
CPC classification number: G03F7/70341 , G03F7/2041 , G03F7/70908 , G03F7/70958
Abstract: An immersion lithographic projection apparatus is disclosed in which liquid is provided between a projection system of the apparatus and a substrate. The use of both liquidphobic and liquidphilic layers on various elements of the apparatus is provided to help prevent formation of bubbles in the liquid and to help reduce residue on the elements after being in contact with the liquid.
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公开(公告)号:US09606448B2
公开(公告)日:2017-03-28
申请号:US13903885
申请日:2013-05-28
Applicant: ASML NETHERLANDS B.V.
Inventor: Erik Roelof Loopstra , Johannes Jacobus Matheus Baselmans , Marcel Mathijs Theodore Marie Dierichs , Johannes Christiaan Maria Jasper , Matthew Lipson , Hendricus Johannes Maria Meijer , Uwe Mickan , Johannes Catharinus Hubertus Mulkens , Tammo Uitterdijk
CPC classification number: G03F7/70866 , G03F7/7015 , G03F7/70341 , Y10S430/162
Abstract: A lithographic projection apparatus is disclosed for use with an immersion liquid positioned between the projection system and a substrate. Several methods and mechanism are disclosed to protect components of the projection system, substrate table and a liquid confinement system. These include providing a protective coating on a final element of the projection system as well as providing one or more sacrificial bodies upstream of the components. A two component final optical element of CaF2 is also disclosed.
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