JP6400183B2 - 加熱放射に影響を及ぼすコーティングを有する光学素子及び光学装置 - Google Patents
加熱放射に影響を及ぼすコーティングを有する光学素子及び光学装置 Download PDFInfo
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Description
本願は、2014年8月19日の独国特許出願第10 2014 216 458.3号の優先権を主張し、上記出願の全開示を参照により本願の内容に援用する。
Claims (19)
- 光学素子(1、126)であって、
基板(2)と、
該基板(2)の第1面(2a)上に配置され且つEUV波長域の使用波長(λEUV)を有する放射線(5)を反射するよう構成された第1コーティング(3)と、
前記基板(2)の第2面(2b)上に配置された、前記基板(2)の前記第2面(2b)を照射する加熱放射線(9、11、13)に影響を及ぼす第2コーティング(4)と
を備え、
前記第1コーティング(3)は、前記基板(2)を通過した第3加熱波長(λ3H)の加熱放射線(13)を反射して前記基板(2)内に戻すよう構成された少なくとも1つの反射層(3d)を有する光学素子。 - 請求項1に記載の光学素子において、前記第2コーティング(4)は、前記使用波長(λEUV)とは異なる第1加熱波長(λ1H)の加熱放射線(9)を吸収する少なくとも1つの吸収層(4a)を有する光学素子。
- 請求項2に記載の光学素子において、前記少なくとも1つの吸収層(4a)は、前記基板(2)と前記第1加熱波長(λ1H)の前記加熱放射線(9)の反射を抑制する少なくとも1つの反射防止層(4b)との間に配置される光学素子。
- 請求項2又は3に記載の光学素子において、前記第1加熱波長(λ 1H )は1500nmよりも高く、前記第1加熱波長(λ1H)の加熱放射線(9)に関する前記少なくとも1つの吸収層(4a)の吸収率(A1H)及び/又は前記少なくとも1つの反射防止層(4b)による反射の抑制が、1500nmを超える波長で極大を有する光学素子。
- 請求項1〜4のいずれか1項に記載の光学素子において、第1加熱波長(λ1H)の加熱放射線(9)を吸収する前記少なくとも1つの層(4a)は、前記第1加熱波長とは異なる第2加熱波長(λ2H)の加熱放射線(11)を透過させるよう構成される光学素子。
- 請求項5に記載の光学素子において、前記第2加熱波長(λ 2H )は400nm〜1500nmであり、前記第2加熱波長(λ2H)の加熱放射線(4)に関する前記少なくとも1つの吸収層(4a)の透過率(T2H)が、1500nm未満の波長で極大を有する光学素子。
- 請求項1に記載の光学素子において、前記第2コーティング(4)は、第1加熱波長(λ1H)の加熱放射線(9)及び前記第1加熱波長とは異なる第2加熱波長(λ2H)の加熱放射線(11)を透過させる少なくとも1つの層(4a’)を有する光学素子。
- 請求項7に記載の光学素子において、前記基板(2)は、前記第1加熱波長(λ1H)の加熱放射線(11)を少なくとも部分的に吸収する材料から形成される光学素子。
- 請求項7又は8に記載の光学素子において、前記少なくとも1つの透過層(4a’)は、前記基板(2)と前記第1加熱波長(λ1H)及び前記第2加熱波長(λ2H)の前記加熱放射線(9、11)の反射を抑制する少なくとも1つの反射防止層(4b)との間に配置される光学素子。
- 請求項1〜9のいずれか1項に記載の光学素子において、前記第2コーティング(4)は、前記第3加熱波長(λ3H)の加熱放射線(13)の反射を抑制する少なくとも1つの反射防止層(4b)を有する光学素子。
- 請求項1〜10のいずれか1項に記載の光学素子において、前記第3加熱波長(λ 3H )は3500nm〜3700nmであり、前記第3加熱波長(λ3H)に関する前記反射層(3d)での前記加熱放射線(13)の反射率(R1H)及び/又は前記少なくとも1つの反射防止層(4b)による前記加熱放射線(13)の反射の抑制は、3500nm〜3700nmの波長域で極大を有する光学素子。
- 請求項1〜9のいずれか1項に記載の光学素子において、前記第2コーティング(4)は、第1直線偏光状態(s)で前記第3波長(λ3H)の加熱放射線(13)を透過させ且つ前記第1直線偏光状態とは異なる第2直線偏光状態(p)で前記第3波長(λ3H)の加熱放射線(13)を反射するよう構成された、偏光選択層(4a’’)を有する光学素子。
- 請求項12に記載の光学素子において、前記反射層(3d)と前記基板(2)との間で前記第1コーティング(3)に又は前記偏光選択層(4a’’)と前記基板(2)との間で前記第2コーティング(4)に配置された、少なくとも1つの偏光変換層(3e、4c)をさらに備えた光学素子。
- 請求項1〜13のいずれか1項に記載の光学素子において、前記第2コーティング(4)は、前記第3加熱波長(λ3H)の加熱放射線(13)を透過させるよう構成される光学素子。
- 請求項1〜14のいずれか1項に記載の光学素子において、前記基板(2)は、前記第2及び/又は前記第3波長(λ2H、λ3H)の前記加熱放射線(11、13)に関して少なくとも部分的に透明である材料から形成される光学素子。
- 請求項1〜15のいずれか1項に記載の光学素子において、EUVミラー(1、126)又はEUVマスク(130)として構成された光学素子。
- 光学装置(101)であって、請求項1〜16のいずれか1項に記載の少なくとも1つの光学素子(126)と、該光学素子(126)に熱影響を及ぼす少なくとも1つのデバイス(20)とを備え、該デバイスは、少なくとも1つの加熱波長(λ1H、λ2H、λ3H)の加熱放射線(9、11、13)を発生させる少なくとも1つの加熱光源(8、10、12)を有し、且つ前記光学素子(126)の前記基板(2)の前記第2面(2b)に加熱放射線(9、11、13)を照射するよう構成される光学装置。
- 請求項17に記載の光学装置において、前記デバイス(20)は、格子型配置の複数の加熱光源(8、10、12)を有する光学装置。
- 請求項17又は18に記載の光学装置において、EUVリソグラフィ装置(101)の形態で構成された光学装置。
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DE102014216458.3A DE102014216458A1 (de) | 2014-08-19 | 2014-08-19 | Optisches Element mit einer Beschichtung zur Beeinflussung von Heizstrahlung und optische Anordnung |
PCT/EP2015/066340 WO2016026626A1 (de) | 2014-08-19 | 2015-07-16 | Optisches element mit einer beschichtung zur beeinflussung von heizstrahlung und optische anordnung |
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DE102014216458A1 (de) | 2014-08-19 | 2016-02-25 | Carl Zeiss Smt Gmbh | Optisches Element mit einer Beschichtung zur Beeinflussung von Heizstrahlung und optische Anordnung |
CN111051990B (zh) * | 2017-09-04 | 2024-01-26 | Asml荷兰有限公司 | 用于光刻装置的光学部件的加热系统 |
DE102017220726A1 (de) * | 2017-11-20 | 2018-12-13 | Carl Zeiss Smt Gmbh | Verfahren zum Betreiben eines reflektiven optischen Elements |
KR102374206B1 (ko) | 2017-12-05 | 2022-03-14 | 삼성전자주식회사 | 반도체 장치 제조 방법 |
US11550234B2 (en) | 2018-10-01 | 2023-01-10 | Asml Netherlands B.V. | Object in a lithographic apparatus |
DE102018221191A1 (de) * | 2018-12-07 | 2020-06-10 | Carl Zeiss Smt Gmbh | Optisches Element zur Reflexion von VUV-Strahlung und optische Anordnung |
CN113437525B (zh) * | 2021-05-28 | 2022-07-08 | 西安电子科技大学 | 一种超小型化的2.5d宽带吸波器 |
DE102021208487A1 (de) | 2021-08-05 | 2022-07-28 | Carl Zeiss Smt Gmbh | Optisches System, sowie Verfahren zum Betreiben eines optischen Systems |
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DE19963588C2 (de) * | 1999-12-29 | 2002-01-10 | Zeiss Carl | Optische Anordnung |
US7424729B2 (en) * | 2000-04-17 | 2008-09-09 | Lg Electronics Inc. | Differentiated PSIP table update interval technology |
US6593041B2 (en) * | 2001-07-31 | 2003-07-15 | Intel Corporation | Damascene extreme ultraviolet lithography (EUVL) photomask and method of making |
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2014
- 2014-08-19 DE DE102014216458.3A patent/DE102014216458A1/de not_active Withdrawn
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- 2015-07-16 WO PCT/EP2015/066340 patent/WO2016026626A1/de active Application Filing
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US20170123118A1 (en) | 2017-05-04 |
DE102014216458A1 (de) | 2016-02-25 |
US10401540B2 (en) | 2019-09-03 |
US12025818B2 (en) | 2024-07-02 |
WO2016026626A1 (de) | 2016-02-25 |
JP2017526009A (ja) | 2017-09-07 |
US20190377107A1 (en) | 2019-12-12 |
US11112543B2 (en) | 2021-09-07 |
US20210364677A1 (en) | 2021-11-25 |
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