JP7003055B2 - 投影レンズのための減衰フィルタ、投影露光装置のための減衰フィルタを有する投影レンズ、及び投影レンズを有する投影露光装置 - Google Patents
投影レンズのための減衰フィルタ、投影露光装置のための減衰フィルタを有する投影レンズ、及び投影レンズを有する投影露光装置 Download PDFInfo
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- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/70058—Mask illumination systems
- G03F7/70191—Optical correction elements, filters or phase plates for controlling intensity, wavelength, polarisation, phase or the like
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- G—PHYSICS
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- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
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- G02B5/00—Optical elements other than lenses
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- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/70058—Mask illumination systems
- G03F7/70091—Illumination settings, i.e. intensity distribution in the pupil plane or angular distribution in the field plane; On-axis or off-axis settings, e.g. annular, dipole or quadrupole settings; Partial coherence control, i.e. sigma or numerical aperture [NA]
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- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/70216—Mask projection systems
- G03F7/70225—Optical aspects of catadioptric systems, i.e. comprising reflective and refractive elements
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
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- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/70216—Mask projection systems
- G03F7/70241—Optical aspects of refractive lens systems, i.e. comprising only refractive elements
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/70216—Mask projection systems
- G03F7/70258—Projection system adjustments, e.g. adjustments during exposure or alignment during assembly of projection system
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/70216—Mask projection systems
- G03F7/70275—Multiple projection paths, e.g. array of projection systems, microlens projection systems or tandem projection systems
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/70216—Mask projection systems
- G03F7/70308—Optical correction elements, filters or phase plates for manipulating imaging light, e.g. intensity, wavelength, polarisation, phase or image shift
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/708—Construction of apparatus, e.g. environment aspects, hygiene aspects or materials
- G03F7/70858—Environment aspects, e.g. pressure of beam-path gas, temperature
- G03F7/70883—Environment aspects, e.g. pressure of beam-path gas, temperature of optical system
- G03F7/70891—Temperature
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/708—Construction of apparatus, e.g. environment aspects, hygiene aspects or materials
- G03F7/7095—Materials, e.g. materials for housing, stage or other support having particular properties, e.g. weight, strength, conductivity, thermal expansion coefficient
- G03F7/70958—Optical materials or coatings, e.g. with particular transmittance, reflectance or anti-reflection properties
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- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
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Description
Claims (15)
- マイクロリソグラフィ投影露光装置(WSC)の投影レンズ(PO、PO’)内の指定可能な局所分布に従った150nmから370nmまでの波長範囲から指定された作動波長を有する紫外線(LR1I、LR2I)の強度の定められた減衰のための減衰フィルタ(AF、AF’、AF1、AF2、AF3)であって、
前記作動波長で十分に透過性のある基板(SU、SU’)と、
前記基板上に配置され、かつ使用区域(UA)の異なる場所(Z1、Z2)で前記指定可能な局所分布に従って前記作動波長の入射紫外線を様々な程度まで吸収する吸収層(AL)とを含み、
前記減衰フィルタ(AF、AF’、AF1、AF2、AF3)は、前記基板にわたって局所的に変化する前記紫外線(LR1I、LR2I)の吸収によって引き起こされる該基板(SU、SU’)の局所変動加熱に起因する該減衰フィルタを通過した前記紫外線(LR1O、LR2O)内の熱誘導波面変動誤差を低減又は回避するように構成され、該基板の厚み(TS、TS’)は最大で20μmである、
ことを特徴とする減衰フィルタ(AF、AF’、AF1、AF2、AF3)。 - 前記基板(SU、SU’)の前記厚み(TS、TS’)は、最大で10μmであることを特徴とする請求項1に記載の減衰フィルタ(AF、AF’、AF1、AF2、AF3)。
- 前記基板(SU、SU’)の厚み(TS、TS’)は、少なくとも5μmであることを特徴とする請求項1又は請求項2に記載の減衰フィルタ(AF、AF’、AF1、AF2、AF3)。
- 前記基板(SU、SU’)は、寸法的に安定であることを特徴とする請求項1から請求項3のいずれか1項に記載の減衰フィルタ(AF、AF’、AF1、AF2、AF3)。
- 前記基板(SU)は、該基板にわたって局所的に変化する吸収に適応された局所的に変化する厚み(TS)を有することを特徴とする請求項1から請求項4のいずれか1項に記載の減衰フィルタ(AF、AF1、AF2、AF3)。
- 前記基板(SU’)上に配置された波面補正層(CL)と、前記指定された作動波長で1よりも大きい屈折率を有する補正層材料と、該基板にわたって局所的に変化する吸収に適応された局所的に変化する補正層厚み(TC)とによって特徴付けられる、請求項1から請求項5のいずれか1項に記載の減衰フィルタ(AF’、AF1、AF2、AF3)。
- 前記吸収層(AL)は、前記指定された作動波長の前記入射紫外線(LR1I、LR2I)を吸収する吸収層材料と、前記指定可能な局所分布に従って前記基板(SU、SU’)にわたって局所的に変化する吸収層厚み(TA)とを有することを特徴とする請求項1から請求項6のいずれか1項に記載の減衰フィルタ(AF、AF’、AF1、AF2、AF3)。
- 前記吸収層(AL)は、金属、炭化物、及び/又は金属酸化物で部分的に又は完全に構成されることを特徴とする請求項1から請求項7のいずれか1項に記載の減衰フィルタ(AF、AF’、AF1、AF2、AF3)。
- 前記吸収層(AL)は、五酸化タンタル(Ta2O5)、酸化ハフニウム(HfO2)、及び/又は酸化アルミニウム(Al2O3)で部分的に又は完全に構成されることを特徴とする請求項1から請求項8のいずれか1項に記載の減衰フィルタ(AF、AF’、AF1、AF2、AF3)。
- 前記基板(SU、SU’)は、合成石英ガラス(SiO2)又は結晶フッ化物で部分的に又は完全に構成されることを特徴とする請求項1から請求項9のいずれか1項に記載の減衰フィルタ(AF、AF’、AF1、AF2、AF3)。
- 前記吸収層(AL)は、前記指定された作動波長の入射紫外線(LR1I、LR2I)を前記使用区域(UA)の中心(Z2)で該使用区域の周囲領域(Z1)よりも強く吸収することを特徴とする請求項1から請求項10のいずれか1項に記載の減衰フィルタ(AF、AF’、AF1、AF2、AF3)。
- 150nmから370nmまでの波長範囲からの作動波長を有する紫外線を用いて投影レンズの物体平面(OS)に配置されたパターンを該投影レンズの像平面(IS)の中に結像するためのマイクロリソグラフィ投影露光装置(WSC)に使用するための投影レンズ(PO、PO’)であって、
前記物体平面と前記像平面の間に配置された多数の光学要素(L、L1、L2、L3、L4、L5、L6)と、
前記物体平面と前記像平面の間の投影ビーム経路に作動中に配置される請求項1から請求項11のいずれか1項に記載の少なくとも1つの減衰フィルタ(AF、AF’、AF1、AF2、AF3)と、
を含む投影レンズ(PO、PO’)。 - 前記物体平面(OS)及び前記像平面(IS)に光学的にフーリエ変換された少なくとも1つの瞳平面(PS、PS1、PS2)が、該物体平面と該像平面の間で前記投影レンズ内に位置付けられ、
前記減衰フィルタ(AF、AF1、AF3)は、前記瞳平面に又は該瞳平面の近くに配置される、
ことを特徴とする請求項12に記載の投影レンズ(PO、PO’)。 - 前記減衰フィルタ(AF、AF’、AF1、AF2、AF3)は、構造的に交換可能な減衰フィルタとして構成されることを特徴とする請求項12又は請求項13に記載の投影レンズ(PO、PO’)。
- 投影レンズの物体平面(OS)に配置されたマスク(M)のパターンの少なくとも1つの像により、露光すべきかつ該投影レンズ(PO、PO’)の像平面(IS)の領域に配置された基板(W)を露光するための投影露光装置(WSC)であって、
紫外線源(LS)の150nmから370nmまでの波長範囲から指定された作動波長を有する紫外線を受け取り、かつ前記パターンの上に向けられる照明放射線を成形するための照明系(ILL)と、
前記パターンをウェーハの上に結像するための投影レンズと、
を含み、
前記投影レンズ(PO、PO’)は、請求項12から請求項14のいずれか1項に従って構成される、ことを特徴とする投影露光装置(WSC)。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016205619.0 | 2016-04-05 | ||
| DE102016205619.0A DE102016205619A1 (de) | 2016-04-05 | 2016-04-05 | Abschwächungsfilter für Projektionsobjektiv, Projektionsobjektiv mit Abschwächungsfilter für Projektionsbelichtungsanlage und Projektionsbelichtungsanlage mit Projektionsobjektiv |
| PCT/EP2017/056909 WO2017174366A1 (en) | 2016-04-05 | 2017-03-23 | Attenuation filter for projection lens, projection lens having attenuation filter for projection exposure apparatus, and projection exposure apparatus having projection lens |
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| JP2019514058A JP2019514058A (ja) | 2019-05-30 |
| JP7003055B2 true JP7003055B2 (ja) | 2022-01-20 |
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| EP (1) | EP3440512B1 (ja) |
| JP (1) | JP7003055B2 (ja) |
| KR (1) | KR102393668B1 (ja) |
| CN (1) | CN109073983B (ja) |
| DE (1) | DE102016205619A1 (ja) |
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| US10600213B2 (en) * | 2016-02-27 | 2020-03-24 | Focal Sharp, Inc. | Method and apparatus for color-preserving spectrum reshape |
| EP3611569A1 (en) * | 2018-08-16 | 2020-02-19 | ASML Netherlands B.V. | Metrology apparatus and photonic crystal fiber |
| WO2020046720A1 (en) * | 2018-08-27 | 2020-03-05 | Kla Corporation | Vapor as a protectant and lifetime extender in optical systems |
| DE102020208044A1 (de) * | 2020-06-29 | 2021-12-30 | Carl Zeiss Smt Gmbh | Optisches Element für den VUV-Wellenlängenbereich, optische Anordnung und Verfahren zum Herstellen eines optischen Elements |
| CN112269268B (zh) * | 2020-10-12 | 2022-07-15 | 中国科学院福建物质结构研究所 | 软边光阑和制备时使用的镀膜挡板 |
| DE102021210243A1 (de) * | 2021-09-16 | 2023-03-16 | Carl Zeiss Smt Gmbh | Optische Anordnung für die DUV-Lithographie |
| CN114153049B (zh) * | 2021-12-06 | 2023-06-13 | 杭州径上科技有限公司 | 一种定焦防辐射镜头 |
| DE102022203308A1 (de) | 2022-04-04 | 2023-10-05 | Carl Zeiss Smt Gmbh | Verfahren zur Rekonstruktion von Systemzuständen |
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2017
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- 2017-03-23 CN CN201780018875.6A patent/CN109073983B/zh active Active
- 2017-03-23 KR KR1020187031471A patent/KR102393668B1/ko active Active
- 2017-03-23 EP EP17712995.4A patent/EP3440512B1/en active Active
- 2017-03-31 TW TW106111062A patent/TWI781927B/zh active
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003050311A (ja) | 2001-05-22 | 2003-02-21 | Carl Zeiss Semiconductor Manufacturing Technologies Ag | 紫外線用の減衰フィルタ |
| JP2007311788A (ja) | 2006-05-18 | 2007-11-29 | Carl Zeiss Smt Ag | 光近接効果を補正する方法 |
| JP2009124143A (ja) | 2007-11-13 | 2009-06-04 | Asml Holding Nv | 薄いフィルム状の連続的に空間的に調整された灰色減衰器及び灰色フィルタ |
| JP2012531730A (ja) | 2009-06-30 | 2012-12-10 | エーエスエムエル ネザーランズ ビー.ブイ. | スペクトル純度フィルタ、リソグラフィ装置、及びスペクトル純度フィルタを製造する方法 |
| WO2015091899A1 (de) | 2013-12-20 | 2015-06-25 | Schott Ag | Optischer filter |
| US20160291223A1 (en) | 2013-12-20 | 2016-10-06 | Schott Ag | Optical filter |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3440512A1 (en) | 2019-02-13 |
| KR20180132764A (ko) | 2018-12-12 |
| DE102016205619A1 (de) | 2017-10-05 |
| CN109073983A (zh) | 2018-12-21 |
| JP2019514058A (ja) | 2019-05-30 |
| US10416569B2 (en) | 2019-09-17 |
| US20190064676A1 (en) | 2019-02-28 |
| WO2017174366A1 (en) | 2017-10-12 |
| CN109073983B (zh) | 2021-07-27 |
| EP3440512B1 (en) | 2020-04-29 |
| KR102393668B1 (ko) | 2022-05-03 |
| TWI781927B (zh) | 2022-11-01 |
| TW201800874A (zh) | 2018-01-01 |
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