JP2018511551A - 光学的に仕上げられた薄い高アスペクト比のダイヤモンド基板又は窓、及び、これらの製造方法 - Google Patents
光学的に仕上げられた薄い高アスペクト比のダイヤモンド基板又は窓、及び、これらの製造方法 Download PDFInfo
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Classifications
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- C—CHEMISTRY; METALLURGY
- 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
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/02—Pretreatment of the material to be coated
- C23C16/0254—Physical treatment to alter the texture of the surface, e.g. scratching or polishing
-
- C—CHEMISTRY; METALLURGY
- 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
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
- C23C16/26—Deposition of carbon only
- C23C16/27—Diamond only
- C23C16/274—Diamond only using microwave discharges
-
- C—CHEMISTRY; METALLURGY
- 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
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/01—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes on temporary substrates, e.g. substrates subsequently removed by etching
-
- C—CHEMISTRY; METALLURGY
- 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
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/02—Pretreatment of the material to be coated
-
- C—CHEMISTRY; METALLURGY
- 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
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/50—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating using electric discharges
- C23C16/511—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating using electric discharges using microwave discharges
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- C—CHEMISTRY; METALLURGY
- 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
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/56—After-treatment
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/30—Self-sustaining carbon mass or layer with impregnant or other layer
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- Chemical & Material Sciences (AREA)
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- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Chemical Vapour Deposition (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
Description
本出願は、2015年4月16日に出願された米国仮出願第62/148,339号及び2016年4月7日に出願された米国特許出願第15/093,160号の利益を主張し、参照することによって本願に組み込まれる。
本出願は、少なくとも一つの光学的に仕上げられた表面を有する薄いダイヤモンドフィルム、基板又は窓に関する。ダイヤモンドフィルム、基板又は窓は、厚さに対する最大寸法として定義される、大きなアスペクト比を有する。また、本発明は、ダイヤモンドフィルム、基板又は窓の製造方法に関する。
ダイヤモンドは、モース硬度10を有する、既知の最も硬い材料であり、その硬さが、例えば切断、切削、穴あけ、フライス削り等の用途においてダイヤモンドを有用にさせる。また、ダイヤモンドは、最大で2000〜2200W/(m・K)の熱伝導率を有する既知の最も熱伝導性が高い材料であり、この熱伝導率が、厳しい条件下における温度管理用途においてダイヤモンドを望ましくさせる。さらに、ダイヤモンドは低い摩擦係数を有し、この摩擦係数が、例えばブレーキ等の用途においてダイヤモンドを汎用性のある材料にさせる。ダイヤモンド上にダイヤモンドを用いると、摩擦係数が低くなり、過酷な条件下での潤滑用途において有利になる。また、ダイヤモンドは、マイクロ波、赤外線、可視光及び他の紫外線電磁波を送信するための優れた光学材料である。さらに、ダイヤモンドは、高フルエンス核放射線の検出器として用いる際、非常に安定である。その上、ダイヤモンドは、高温又は極低温条件下でさえ、強酸、強塩基、強酸化剤又は強還元剤を含み得る化学的環境において、非常に不活性でもある。さらに、ダイヤモンドは、高い屈折率を有し、宝石産業において広く用いられる。
Claims (29)
- 少なくとも一つの光学的に仕上げられた表面を含み、
ダイヤモンドフィルム、基板又は窓の最大寸法を前記ダイヤモンドフィルム、基板又は窓の厚さで割ったアスペクト比が100以上である、ダイヤモンドフィルム、基板又は窓。 - 400ミクロン以下(0.4mm以下)の厚さ、及び、25mm以上の前記最大寸法を有する、請求項1に記載のダイヤモンドフィルム、基板又は窓。
- 少なくとも一つの光学的に仕上げられた表面が、50nm以下、30nm以下、20nm以下、15nm以下又は10nm以下の表面粗さ(Ra)を有する、請求項1又は2に記載のダイヤモンドフィルム、基板又は窓。
- 前記最大寸法が40mm以上、50mm以上、60mm以上、70mm以上、80mm以上又は100mm以上である、請求項1〜3のうちいずれか一つに記載のダイヤモンドフィルム、基板又は窓。
- 前記厚さが、400ミクロン以下、350ミクロン以下、300ミクロン以下、250ミクロン以下又は200ミクロン以下である、請求項1〜4のうちいずれか一つに記載のダイヤモンドフィルム、基板又は窓。
- 前記アスペクト比が、125以上、150以上、175以上又は200以上である、請求項1〜5のうちいずれか一つに記載のダイヤモンドフィルム、基板又は窓。
- 前記最大寸法が、前記ダイヤモンドフィルム、基板又は窓の直径である、請求項1〜6のうちいずれか一つに記載のダイヤモンドフィルム、基板又は窓。
- 遮蔽レンズから34cmの距離で測定される1.06ミクロン光散乱係数が、20/cm以下、15/cm以下、10/cm以下、7/cm以下又は5/cm以下である、請求項1〜7のうちいずれか一つに記載のダイヤモンドフィルム、基板又は窓。
- ダイヤモンド核生成密度が、1.0×105/cm2以上、1.0×106/cm2以上、1.0×107/cm2以上、1.0×108/cm2以上又は1.0×109/cm2以上である、請求項1〜8のうちいずれか一つに記載のダイヤモンドフィルム、基板又は窓。
- (a)シリコン基板を提供する工程と、
(b)前記シリコン基板の表面上に、100以上のアスペクト比を有するダイヤモンドフィルム、基板又は窓をCVD成長させる工程であって、前記アスペクト比が、ダイヤモンドフィルム、基板又は窓の最大寸法を前記ダイヤモンドフィルム、基板又は窓の厚さで割った比である工程と、
を含む、ダイヤモンドフィルム、基板又は窓を形成する方法。 - 前記シリコン基板が、2mm以上、4mm以上、6mm以上又は8mm以上の厚さを有する、請求項10に記載の方法。
- さらに、工程(b)の前に、20nm以下、15nm以下、10nm以下、5nm以下又は2nm以下の表面粗さ(Ra)を有する光学的仕上げまで前記シリコン基板表面を研磨する工程を含む、請求項10又は11に記載の方法。
- 前記アズグロウンダイヤモンドフィルム、基板又は窓の核生成側は、前記シリコン基板の研磨された表面のRaよりも大きいRaを有し、
前記シリコン基板の研磨された表面のRaが20nm以下、15nm以下、10nm以下、5nm以下又は2nm以下である場合には、前記アズグロウンダイヤモンドフィルム、基板又は窓の核生成側のRaが、それぞれ50nm以下、30nm以下、20nm以下、15nm以下又は10nm以下である、請求項10〜12のうちいずれか一つに記載の方法。 - 前記シリコン基板表面、及び、前記アズグロウンダイヤモンドフィルム、基板又は窓の核生成側は、それぞれ750nm以上の表面粗さ(Ra)を有する、請求項10〜13のうちいずれか一つに記載の方法。
- さらに、前記ダイヤモンドフィルム、基板又は窓がまだ前記シリコン基板上にある間に、前記ダイヤモンドフィルム、基板又は窓の成長表面を50nm以下、30nm以下、20nm以下、15nm以下又は10nm以下の表面粗さ(Ra)まで研磨する工程を含む、請求項10〜14のうちいずれか一つに記載の方法。
- 前記シリコン基板の表面、及び、前記アズグロウンダイヤモンドフィルム、基板又は窓の核生成側は非平面であり、
前記アズグロウンダイヤモンドフィルム、基板又は窓の核生成側の形状は、前記シリコン基板の表面形状に適合する反転形状である、請求項10〜15のうちいずれか一つに記載の方法。 - 前記アズグロウンダイヤモンドフィルム、基板又は窓の核生成側は、ドーム、コーン、ピラミッド、非球面、放物線及び双曲線の形状のうちいずれか一つを有する、請求項10〜16のうちいずれか一つに記載の方法。
- さらに、前記成長したダイヤモンドフィルム、基板又は窓から前記シリコン基板を化学的又は機械的に除去する工程を含む、請求項10〜17のうちいずれか一つに記載の方法。
- 前記アズグロウンダイヤモンドフィルム、基板又は窓の成長側は、前記アズグロウンダイヤモンドフィルム、基板又は窓の核生成側よりも大きな熱伝導率を有する、請求項10〜18のうちいずれか一つに記載の方法。
- さらに、前記成長したダイヤモンドフィルム、基板又は窓の成長表面に光管理コーティングを付与する工程、及び、前記成長したダイヤモンドフィルム、基板又は窓から前記シリコン基板を除去した後に、前記成長したダイヤモンドフィルム、基板又は窓の核生成側に前記光管理コーティングを付与する工程のうち少なくとも一つを含む、請求項10〜19のうちいずれか一つに記載の方法。
- さらに、シリコン基板表面上で成長した前記ダイヤモンドフィルム、基板又は窓を有する前記シリコン基板を一又は複数の片に切断する工程を含む、請求項10〜20のうちいずれか一つに記載の方法。
- 工程(b)は、酸素、一酸化炭素、二酸化炭素、窒素及びホウ素のうち少なくとも一つを含む雰囲気下で、前記ダイヤモンドフィルム、基板又は窓をCVD成長させる工程を含む、請求項10〜21のうちいずれか一つに記載の方法。
- 工程(b)の前に、前記シリコン基板の表面にダイヤモンド粒子を播種する、請求項10〜22のうちいずれか一つに記載の方法。
- (1)液体懸濁液中のサブミクロン又はミクロンサイズのダイヤモンド粉末から構成される超音波浴中における前記シリコン基板の超音波処理、及び、
(2)液体懸濁液中の平均粒子径が100nm未満のナノ結晶ダイヤモンド粉末から構成される超音波浴中における前記シリコン基板の超音波処理、
のうち少なくとも一つを経て、前記シリコン基板にダイヤモンド粒子を播種する、請求項10〜23のうちいずれか一つに記載の方法。 - 前記液体懸濁液は、水、アルコール、炭化水素及び有機溶媒のうち一又は複数を含む、請求項10〜24のうちいずれか一つに記載の方法。
- (1)含水ダイヤモンドスラリー又は有機ダイヤモンドスラリー浴中の前記シリコン基板の超音波処理、
(2)ダイヤモンド粉末を用いた前記シリコン基板の研磨、又は、
(3)前記シリコン基板のダイヤモンド切削、
のプロセスのうち少なくとも一つを経て、前記シリコン基板にダイヤモンド粒子を播種する、請求項10〜25のうちいずれか一つに記載の方法。 - 前記シリコン基板の最大寸法が、30mm以上、50.8mm以上、66mm以上、76mm以上、101mm以上又は127mm以上である、請求項10〜26のうちいずれか一つに記載の方法。
- 前記シリコン基板の最大寸法が、前記シリコン基板の直径である、請求項10〜27のうちいずれか一つに記載の方法。
- シリコン基板上にCVD成長したダイヤモンドフィルム、基板又は窓を含み、
200ミクロン以上、300ミクロン以上、500ミクロン以上、1mm以上、2mm以上又は5mm以上の全厚さを有し、
直径が20mm以上、30mm以上、40mm以上、50mm以上、75mm以上、100mm以上、125mm以上又は150mm以上である、ダイヤモンド−シリコン複合基板。
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CN107873063B (zh) | 2021-03-12 |
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JP2023113676A (ja) | 2023-08-16 |
KR102661632B1 (ko) | 2024-05-02 |
TW201706438A (zh) | 2017-02-16 |
GB2597625B (en) | 2022-08-03 |
JP7108410B2 (ja) | 2022-07-28 |
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US11618945B2 (en) | 2023-04-04 |
WO2016168796A1 (en) | 2016-10-20 |
GB2555718B (en) | 2021-12-15 |
DE112016001212T5 (de) | 2017-11-30 |
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