JP2021192010A - スケールおよびその製造方法 - Google Patents
スケールおよびその製造方法 Download PDFInfo
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 239000000758 substrate Substances 0.000 claims abstract description 22
- 229910052751 metal Inorganic materials 0.000 claims description 52
- 239000002184 metal Substances 0.000 claims description 52
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 12
- 229910052731 fluorine Inorganic materials 0.000 claims description 12
- 239000011737 fluorine Substances 0.000 claims description 12
- 238000005530 etching Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 8
- 150000002222 fluorine compounds Chemical class 0.000 claims description 7
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 3
- 229910052801 chlorine Inorganic materials 0.000 claims description 3
- 239000000460 chlorine Substances 0.000 claims description 3
- 238000001312 dry etching Methods 0.000 claims description 3
- 238000001039 wet etching Methods 0.000 claims description 2
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical compound [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 claims 2
- 239000010410 layer Substances 0.000 description 56
- 239000011651 chromium Substances 0.000 description 21
- 239000010408 film Substances 0.000 description 18
- 238000005260 corrosion Methods 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 6
- 229910021341 titanium silicide Inorganic materials 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 229910008484 TiSi Inorganic materials 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 210000002268 wool Anatomy 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- XMPZTFVPEKAKFH-UHFFFAOYSA-P ceric ammonium nitrate Chemical group [NH4+].[NH4+].[Ce+4].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O XMPZTFVPEKAKFH-UHFFFAOYSA-P 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000005350 fused silica glass Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000005240 physical vapour deposition Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/347—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales
- G01D5/34707—Scales; Discs, e.g. fixation, fabrication, compensation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/32—Fiducial marks and measuring scales within the optical system
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1847—Manufacturing methods
- G02B5/1857—Manufacturing methods using exposure or etching means, e.g. holography, photolithography, exposure to electron or ion beams
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1861—Reflection gratings characterised by their structure, e.g. step profile, contours of substrate or grooves, pitch variations, materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/347—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales
- G01D5/34746—Linear encoders
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/36—Forming the light into pulses
- G01D5/38—Forming the light into pulses by diffraction gratings
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Optical Transform (AREA)
- Surface Treatment Of Glass (AREA)
- Physical Vapour Deposition (AREA)
Abstract
Description
図1(a)は、第1実施形態に係るスケール100の平面図である。図1(b)は、図1(a)のA−A線断面図である。図1(a)および図1(b)で例示するように、スケール100は、基板10上に密着層20が形成され、密着層20上に高反射層として機能する金属層30が形成され、金属層30上に所定の間隔で複数の金属格子が配置された目盛格子40が形成された構造を有している。
図4は、第2実施形態に係るスケール100aを例示する模式的断面図である。図4で例示するように、スケール100aがスケール100と異なる点は、フッ素膜70が金属層30の露出部分および目盛格子40を覆うように設けられている点である。
密着層20にCrを用いた。金属層30にはNiを用いた。目盛格子40にはCrを用いた。金属層30の露出部分および目盛格子40は、保護膜などで覆わずに大気に露出させた。
基板上にCr薄膜を形成した。Cr薄膜上に、実施例の目盛格子40と同様の形状を有するTiSixの目盛格子を形成した。
実施例および比較例のそれぞれについて、目盛格子に対してスチールウールによる擦傷試験を行ない、光学顕微鏡の写真において傷の有無を確認した。比較例では表面に多数の傷が確認された一方で、実施例では表面に傷がほとんど確認されなかった。したがって、実施例では、通常使用で十分な耐久性が得られていることが確認された。
20 密着層
30 金属層
40 目盛格子
50 被エッチング層
60 レジストパターン
70 フッ素膜
100,100a スケール
Claims (7)
- 基板と、
前記基板の一方の主面上に形成されたNiの金属層と、
前記金属層上に形成され、所定の間隔でCrの複数の格子が配置された目盛格子と、を備えることを特徴とするスケール。 - 前記基板と前記金属層との間に、前記金属層よりも前記基板に対して密着性が高い金属によって構成された層を備えることを特徴とする請求項1に記載のスケール。
- 前記金属層よりも前記基板に対して密着性が高い金属は、Crであることを特徴とする請求項2に記載のスケール。
- 前記目盛格子を覆い、少なくとも一部が単分子フッ素化合物であるフッ素膜を備えることを特徴とする請求項1から請求項3のいずれか一項に記載のスケール。
- 基板上に、Niの金属層と、Crの目盛格子層とをこの順に成膜する工程と、
前記目盛格子層に対してエッチングを行うことで、所定の間隔で複数のCrの格子が配置された目盛格子を形成する工程と、を含むことを特徴とするスケールの製造方法。 - 前記エッチングの際に、前記金属層をエッチングストップ層として用いることを特徴とする請求項5に記載のスケールの製造方法。
- 前記エッチングの際に、硝酸第二セリウムアンモニウムを用いたウェットエッチングまたは塩素系ガスを用いたドライエッチングを行なうことを特徴とする請求項5または請求項6に記載のスケールの製造方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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JP2020098522A JP2021192010A (ja) | 2020-06-05 | 2020-06-05 | スケールおよびその製造方法 |
CN202110254533.2A CN113758414A (zh) | 2020-06-05 | 2021-03-05 | 刻度尺及其制造方法 |
US17/218,664 US12044558B2 (en) | 2020-06-05 | 2021-03-31 | Scale and method of manufacturing the same |
DE102021112689.4A DE102021112689A1 (de) | 2020-06-05 | 2021-05-17 | Maßstab und Verfahren zur Herstellung desselben |
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JP2020098522A JP2021192010A (ja) | 2020-06-05 | 2020-06-05 | スケールおよびその製造方法 |
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JP2021192010A true JP2021192010A (ja) | 2021-12-16 |
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JP2020098522A Pending JP2021192010A (ja) | 2020-06-05 | 2020-06-05 | スケールおよびその製造方法 |
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US (1) | US12044558B2 (ja) |
JP (1) | JP2021192010A (ja) |
CN (1) | CN113758414A (ja) |
DE (1) | DE102021112689A1 (ja) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006078275A (ja) * | 2004-09-08 | 2006-03-23 | Mitsutoyo Corp | 光学式変位測定装置 |
JP2006178312A (ja) * | 2004-12-24 | 2006-07-06 | Canon Inc | 表面反射型位相格子 |
JP2010281839A (ja) * | 2004-01-26 | 2010-12-16 | Mitsutoyo Corp | 反射型光電式エンコーダ用スケール及び光電式エンコーダ |
JP2019095316A (ja) * | 2017-11-24 | 2019-06-20 | セイコーエプソン株式会社 | エンコーダースケール、エンコーダースケールの製造方法、エンコーダー、ロボット、プリンターおよびプロジェクター |
JP2019120500A (ja) * | 2017-12-28 | 2019-07-22 | 株式会社ミツトヨ | スケールおよびその製造方法 |
JP2019146364A (ja) * | 2018-02-21 | 2019-08-29 | セイコーエプソン株式会社 | 圧電駆動装置、ロボット、電子部品搬送装置、プリンターおよびプロジェクター |
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US4353622A (en) * | 1979-06-25 | 1982-10-12 | Rca Corporation | Recording blank and method for fabricating therefrom diffractive subtractive filter metal embossing master |
JP4971047B2 (ja) | 2007-06-19 | 2012-07-11 | 株式会社ミツトヨ | 表面反射型エンコーダ用スケール及びそれを用いた表面反射型エンコーダ |
JP5308059B2 (ja) * | 2008-04-25 | 2013-10-09 | 株式会社ミツトヨ | 光電式エンコーダ用スケール |
JP5850710B2 (ja) * | 2011-11-07 | 2016-02-03 | キヤノン株式会社 | エンコーダ用反射型光学式スケール及び反射型光学式エンコーダ |
WO2019187512A1 (ja) * | 2018-03-27 | 2019-10-03 | 富士フイルム株式会社 | 透光部材、画像表示装置および時計 |
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- 2020-06-05 JP JP2020098522A patent/JP2021192010A/ja active Pending
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2021
- 2021-03-05 CN CN202110254533.2A patent/CN113758414A/zh active Pending
- 2021-03-31 US US17/218,664 patent/US12044558B2/en active Active
- 2021-05-17 DE DE102021112689.4A patent/DE102021112689A1/de active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2010281839A (ja) * | 2004-01-26 | 2010-12-16 | Mitsutoyo Corp | 反射型光電式エンコーダ用スケール及び光電式エンコーダ |
JP2006078275A (ja) * | 2004-09-08 | 2006-03-23 | Mitsutoyo Corp | 光学式変位測定装置 |
JP2006178312A (ja) * | 2004-12-24 | 2006-07-06 | Canon Inc | 表面反射型位相格子 |
JP2019095316A (ja) * | 2017-11-24 | 2019-06-20 | セイコーエプソン株式会社 | エンコーダースケール、エンコーダースケールの製造方法、エンコーダー、ロボット、プリンターおよびプロジェクター |
JP2019120500A (ja) * | 2017-12-28 | 2019-07-22 | 株式会社ミツトヨ | スケールおよびその製造方法 |
JP2019146364A (ja) * | 2018-02-21 | 2019-08-29 | セイコーエプソン株式会社 | 圧電駆動装置、ロボット、電子部品搬送装置、プリンターおよびプロジェクター |
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US12044558B2 (en) | 2024-07-23 |
US20210381859A1 (en) | 2021-12-09 |
DE102021112689A1 (de) | 2021-12-09 |
CN113758414A (zh) | 2021-12-07 |
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