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公开(公告)号:US10712656B2
公开(公告)日:2020-07-14
申请号:US15752302
申请日:2016-08-26
Applicant: ASML NETHERLANDS B.V.
Inventor: Zomer Silvester Houweling , Eric Willem Felix Casimiri , Tamara Druzhinina , Paul Janssen , Michael Alfred Josephus Kuijken , Martinus Hendrikus Antonius Leenders , Sicco Oosterhoff , Mária Péter , Willem Joan Van Der Zande , Pieter-Jan Van Zwol , Beatrijs Louise Marie-Joseph Katrien Verbrugge , Johannes Petrus Martinus Bernardus Vermeulen , David Ferdinand Vles , Willem-Pieter Voorthuijzen
Abstract: A method for manufacturing a membrane assembly for EUV lithography, the method comprising: providing a stack comprising a planar substrate and at least one membrane layer, wherein the planar substrate comprises an inner region and a border region around the inner region; positioning the stack on a support such that the inner region of the planar substrate is exposed; and selectively removing the inner region of the planar substrate using a non-liquid etchant, such that the membrane assembly comprises: a membrane formed from the at least one membrane layer; and a border holding the membrane, the border formed from the border region of the planar substrate.
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公开(公告)号:US11567399B2
公开(公告)日:2023-01-31
申请号:US17566764
申请日:2021-12-31
Applicant: ASML NETHERLANDS B.V.
Inventor: Zomer Silvester Houweling , Chaitanya Krishna Ande , Dennis De Graaf , Thijs Kater , Michael Alfred Josephus Kuijken , Mahdiar Valefi
IPC: G03F1/62
Abstract: A pellicle having a metal oxysilicide layer. A pellicle having a molybdenum layer, a ruthenium layer and a silicon oxynitride layer, wherein the molybdenum layer is disposed between the ruthenium layer and the silicon oxynitride layer. A method of manufacturing a pellicle for a lithographic apparatus, the method including providing a metal oxysilicide layer. A lithographic assembly including a pellicle having a metal oxysilicide layer. The use of a pellicle having a metal oxysilicide layer in a lithographic apparatus.
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公开(公告)号:US11237475B2
公开(公告)日:2022-02-01
申请号:US16758250
申请日:2018-11-06
Applicant: ASML NETHERLANDS B.V.
Inventor: Zomer Silvester Houweling , Chaitanya Krishna Ande , Dennis De Graaf , Thijs Kater , Michael Alfred Josephus Kuijken , Mahdiar Valefi
IPC: G03F1/62
Abstract: A pellicle having a metal oxysilicide layer. A pellicle having a molybdenum layer, a ruthenium layer and a silicon oxynitride layer, wherein the molybdenum layer is disposed between the ruthenium layer and the silicon oxynitride layer. A method of manufacturing a pellicle for a lithographic apparatus, the method including providing a metal oxysilicide layer. A lithographic assembly including a pellicle having a metal oxysilicide layer. The use of a pellicle having a metal oxysilicide layer in a lithographic apparatus.
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