JP2012171866A - 反射防止コーティングを有する基板およびその製造方法 - Google Patents
反射防止コーティングを有する基板およびその製造方法 Download PDFInfo
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- 239000000758 substrate Substances 0.000 title claims abstract description 60
- 238000000576 coating method Methods 0.000 title claims abstract description 34
- 239000011248 coating agent Substances 0.000 title claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 57
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 56
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 48
- 229910052814 silicon oxide Inorganic materials 0.000 claims abstract description 34
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 22
- 239000010703 silicon Substances 0.000 claims abstract description 22
- 150000004767 nitrides Chemical class 0.000 claims abstract description 6
- 229910021332 silicide Inorganic materials 0.000 claims abstract description 5
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000006117 anti-reflective coating Substances 0.000 claims description 38
- 239000011521 glass Substances 0.000 claims description 35
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 28
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 28
- 238000004544 sputter deposition Methods 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 19
- 238000000151 deposition Methods 0.000 claims description 12
- 238000001755 magnetron sputter deposition Methods 0.000 claims description 10
- 230000008021 deposition Effects 0.000 claims description 5
- 239000002241 glass-ceramic Substances 0.000 claims description 5
- 229910052594 sapphire Inorganic materials 0.000 claims description 5
- 239000010980 sapphire Substances 0.000 claims description 5
- -1 and in this case Chemical compound 0.000 claims description 2
- 239000013078 crystal Substances 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims description 2
- 239000005304 optical glass Substances 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 17
- 238000005299 abrasion Methods 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 200
- 238000012360 testing method Methods 0.000 description 28
- 238000005259 measurement Methods 0.000 description 15
- 230000007704 transition Effects 0.000 description 12
- 239000004576 sand Substances 0.000 description 11
- 239000002245 particle Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 8
- 239000005388 borosilicate glass Substances 0.000 description 6
- 238000002310 reflectometry Methods 0.000 description 6
- 230000006872 improvement Effects 0.000 description 5
- 238000005477 sputtering target Methods 0.000 description 5
- 150000002500 ions Chemical class 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000003595 spectral effect Effects 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 230000003667 anti-reflective effect Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000005357 flat glass Substances 0.000 description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 238000005546 reactive sputtering Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000006018 Li-aluminosilicate Substances 0.000 description 1
- 229910006404 SnO 2 Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 description 1
- 239000005354 aluminosilicate glass Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000005352 borofloat Substances 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 229910001634 calcium fluoride Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000005350 fused silica glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000168 high power impulse magnetron sputter deposition Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000003678 scratch resistant effect Effects 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 239000005361 soda-lime glass Substances 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/11—Anti-reflection coatings
- G02B1/113—Anti-reflection coatings using inorganic layer materials only
- G02B1/115—Multilayers
- G02B1/116—Multilayers including electrically conducting layers
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/3411—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions with at least two coatings of inorganic materials
- C03C17/3417—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions with at least two coatings of inorganic materials all coatings being oxide coatings
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- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/3411—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions with at least two coatings of inorganic materials
- C03C17/3429—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions with at least two coatings of inorganic materials at least one of the coatings being a non-oxide coating
- C03C17/3435—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions with at least two coatings of inorganic materials at least one of the coatings being a non-oxide coating comprising a nitride, oxynitride, boronitride or carbonitride
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- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/3411—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions with at least two coatings of inorganic materials
- C03C17/3429—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions with at least two coatings of inorganic materials at least one of the coatings being a non-oxide coating
- C03C17/3482—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions with at least two coatings of inorganic materials at least one of the coatings being a non-oxide coating comprising silicon, hydrogenated silicon or a silicide
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- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
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- C23C14/08—Oxides
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- C23C14/14—Metallic material, boron or silicon
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
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- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/11—Anti-reflection coatings
- G02B1/113—Anti-reflection coatings using inorganic layer materials only
- G02B1/115—Multilayers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/34—Gas-filled discharge tubes operating with cathodic sputtering
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Abstract
【解決手段】少なくとも一面に、多層反射防止コーティング5を有し、その多層反射防止コーティング5は、より高い屈折率を有する層51,53とより低い屈折率を有する層52,54とが交互になっている、異なる屈折率を有する複数の層から形成されており、その際、より低い屈折率を有する層52,54は、アルミニウム分を有する酸化ケイ素から形成されており、ケイ素に対するアルミニウムの物質量の比は、0.05より大きく、好ましくは0.08より大きいが、ケイ素の物質量は、アルミニウムの物質量に比べて多く、その際、より高い屈折率を有する層51,53は、ケイ化物、酸化物または窒化物を含有している。
【選択図】図1
Description
n(Al)/(n(Si)+n(Al))>0.05
[ただし、n(Al)はアルミニウムの物質量を示し、n(Si)は、ケイ素の物質量を表す]。
基板の少なくとも片面に、多層反射防止コーティングを施与することに基づくが、
その多層反射防止コーティングを、逐次堆積によって、より高い屈折率を有する層とより低い屈折率を有する層とが交互になっている、異なる屈折率を有する複数の層から形成し、その際、
より低い屈折率を有する前記層は、アルミニウム分を有する酸化ケイ素から形成され、
ケイ素に対するアルミニウムの物質量の比は、0.05より大きく、好ましくは0.08超より大きいが、ケイ素の物質量は、アルミニウムの物質量に比べて多く、その際、
酸化物、ケイ化物または窒化物含有、特に好ましくは窒化ケイ素含有層を、前記より高い屈折率を有する層として堆積させる。
n(Al)/(n(Si)+n(Al))=x
[ただし、xは0.05〜0.2の範囲内である]。
アルミニウム含有率が高すぎると、要するに、低屈折率層の屈折率が上昇していくことに基づき、反射防止作用の低下が生じる。
Claims (14)
- コーティングされた基板(3)であって、
少なくとも片面に、多層反射防止コーティング(5)を有し、
前記多層反射防止コーティングは、より高い屈折率を有する層とより低い屈折率を有する層とが交互になっている、異なる屈折率を有する複数の層から構成されており、その際、前記のより低い屈折率を有する層は、アルミニウム分を有する酸化ケイ素から形成されており、ケイ素に対するアルミニウムの物質量の比は、0.05より大きく、好ましくは0.08より大きいが、ケイ素の物質量は、アルミニウムの物質量に比べて多く、その際、前記のより高い屈折率を有する層は、ケイ化物、酸化物または窒化物を含有しているコーティングされた基板。 - 前記のより高い屈折率を有する層が、アルミニウム分を有する窒化ケイ素を含有しており、ケイ素に対するアルミニウムの物質量の比は、0.05より大きく、好ましくは0.08より大きい請求項1に記載のコーティングされた基板。
- 前記反射防止コーティングの表面が、アルミニウム分を有する酸化ケイ素からなるより低い屈折率を有する層によって形成されている請求項1または2に記載のコーティングされた基板。
- 前記反射防止コーティングが、全体として200〜400ナノメーターの範囲の層厚を有する請求項1〜3のいずれか一項に記載のコーティングされた基板。
- 前記反射防止コーティングの表面が、1平方マイクロメーターの面積に対してそれぞれ、1.5ナノメーター未満である算術平均粗さおよび二乗平均粗さを有する請求項1〜4のいずれか一項に記載のコーティングされた基板。
- 前記反射防止コーティングが、少なくとも2つのより高い屈折率を有する層および少なくとも2つのより低い屈折率を有する層を有する請求項1〜5のいずれか一項に記載のコーティングされた基板。
- 交互に続く4層からなる積層体を備えた反射防止コーティングを有しており、最下層が窒化ケイ素含有高屈折率層であり、該積層体のうちの最も上の高屈折率層を構成する前記の他の窒化ケイ素含有高屈折性層が、該積層体のうちで最も大きい層厚を有しており、積層体の最上層が、アルミニウム分を有する酸化ケイ素からなるより低い屈折率を有する層であり、かつ該積層体の各層のうち2番目に大きい層厚を有しており、その際、第1層と、該最上層と同様にアルミニウム分を有する酸化ケイ素からなるより低い屈折率を有する層である第2層とは合わせても、該最上層の層厚よりも小さい層厚を有する請求項6に記載のコーティングされた基板。
- 前記基板の上に、アルミニウム含有酸化ケイ素層が堆積されており、かつ該アルミニウム含有酸化ケイ素層の上に、前記の連続する4層を含む前記積層体が堆積されている請求項7に記載のコーティングされた基板。
- 前記基板が、ガラス板もしくはガラスセラミック板もしくはサファイアガラス板、合成石英ガラス基板、特に光学用のクリスタル、光学ガラスまたはフィルターガラスである請求項1乃至8のいずれか一項に記載のコーティングされた基板。
- 前記基板のカーブした形状、特にレンズ形状の表面が前記反射防止コーティングでコーティングされている請求項1〜9のいずれか一項に記載のコーティングされた基板。
- コーティングされた基板の製造方法であって、
基板の少なくとも一面に、多層反射防止コーティングを施与するが、
該コーティングを、逐次堆積によって、より高い屈折率を有する層とより低い屈折率を有する層とが交互になっている、異なる屈折率を有する複数の層から形成し、その際、
前記のより低い屈折率を有する層は、アルミニウム分を有する酸化ケイ素で形成し、
その際、ケイ素に対するアルミニウムの物質量の比は、0.05より大きく、好ましくは0.08より大きいが、ケイ素の物質量は、アルミニウムの物質量に比べて多く、その際、ケイ化物、酸化物または窒化物含有層を、より高い屈折率を有する層として堆積することを特徴とする方法。 - 前記の反射防止コーティングの各層をスパッタリングによって堆積する請求項11に記載の方法。
- 前記反射防止コーティングを、マグネトロンスパッタリングによって堆積させ、その際、プラズマを励起させるために、パルスがターゲット面積の1平方センチメーター当たり少なくとも100ワットの出力密度を有するパルス場を使用する請求項12に記載の方法。
- パルス間の休止期において、プラズマを維持する請求項13に記載の方法。
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CN110382431A (zh) * | 2017-03-03 | 2019-10-25 | 肖特股份有限公司 | 在角度和磨损下具有稳定的反射率和颜色的防反射涂层 |
US11567237B2 (en) | 2018-08-17 | 2023-01-31 | Corning Incorporated | Inorganic oxide articles with thin, durable anti-reflective structures |
US10948629B2 (en) | 2018-08-17 | 2021-03-16 | Corning Incorporated | Inorganic oxide articles with thin, durable anti-reflective structures |
US11906699B2 (en) | 2018-08-17 | 2024-02-20 | Corning Incorporated | Inorganic oxide articles with thin, durable anti reflective structures |
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US20190310395A1 (en) | 2019-10-10 |
EP2492251A1 (de) | 2012-08-29 |
US20160091634A1 (en) | 2016-03-31 |
US9296648B2 (en) | 2016-03-29 |
EP2492251B1 (de) | 2017-01-04 |
US20120212826A1 (en) | 2012-08-23 |
CN102649327B (zh) | 2016-12-14 |
US11906700B2 (en) | 2024-02-20 |
DE202012013052U1 (de) | 2014-09-29 |
US20210271001A1 (en) | 2021-09-02 |
US10365409B2 (en) | 2019-07-30 |
JP6053294B2 (ja) | 2016-12-27 |
CN107082575A (zh) | 2017-08-22 |
US11029450B2 (en) | 2021-06-08 |
CN102649327A (zh) | 2012-08-29 |
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