JP2015199662A - 耐引掻性膜、耐引掻性膜を有する基材及びその製造法 - Google Patents
耐引掻性膜、耐引掻性膜を有する基材及びその製造法 Download PDFInfo
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- JP2015199662A JP2015199662A JP2015076551A JP2015076551A JP2015199662A JP 2015199662 A JP2015199662 A JP 2015199662A JP 2015076551 A JP2015076551 A JP 2015076551A JP 2015076551 A JP2015076551 A JP 2015076551A JP 2015199662 A JP2015199662 A JP 2015199662A
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Classifications
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Abstract
【解決手段】耐引掻性が向上した膜を有する基材であって、ここで、前記膜は、少なくとも1つの高屈折率の透明な硬質物質層を有し、前記硬質物質層は、結晶性窒化アルミニウムを含み、前記窒化アルミニウムは、六方対称の主たる(001)優先配向を示す六方晶結晶構造を有する、前記基材によって解決される。
【選択図】図7
Description
本発明による膜は、窒化アルミニウム(AlN)をベースとする透明な高屈折率の硬質物質層を有し、すなわち、硬質物質層はAlNを本質的な成分として含有する。本発明によれば、硬質物質層におけるAlNの割合は50質量%超である。
− それぞれ層の斜入射XRD(GIXRD)スペクトルの収集、すなわち薄膜X線回折
− 34°から37°の間の範囲での相応する(001)反射I(001)の最大強度の測定
− 32°から34°の間の範囲での(100)反射I(100)の最大強度の測定
− 37°から39°の間の範囲での(101)反射I(101)の最大強度の測定
x(001)=I(001)/I(001)+I(100)
及びy(001)=I(001)/I(001)+I(101)
a)基材を、アルミニウム含有ターゲットを備えたスパッタリング装置中で準備する工程、
b)スパッタ粒子を、ターゲット面積1cm2当たり8〜1000W/cm2、有利には10〜100W/cm2の範囲の出力密度で放出する工程
を有する方法により製造してよい。
y(001)=I(001)/(I(001)+I(101))
Claims (33)
- 耐引掻性が向上した膜を有する基材であって、ここで、前記膜は、少なくとも1つの高屈折率の透明な硬質物質層を有し、前記硬質物質層は、結晶性窒化アルミニウムを含み、前記窒化アルミニウムは、六方対称の主たる(001)優先配向を示す六方晶結晶構造を有する、前記基材。
- 前記膜のXRD測定により求めた、(001)優先配向
x(001)=I(001)/(I(001)+I(100))
及び/又は
y(001)=I(001)/(I(001)+I(101))
を示す前記結晶構造の割合が、0.5より大きく、有利には0.6より大きく、特に有利には0.75より大きい、請求項1記載の基材。 - 前記膜が、10mNの試験加重で80〜250GPa、有利には110〜200GPaの弾性係数を有し、かつ/又は前記弾性係数に対する硬度の比が、少なくとも0.08、有利には少なくとも0.1、特に有利には0.1超である、請求項1又は2記載の基材。
- 平均的な微結晶のサイズが、最大でも25nm、有利には最大でも15nm、特に有利には5〜15nmである、請求項1から3までのいずれか1項記載の基材。
- 前記硬質物質層の前記窒化アルミニウムが、ケイ素、ホウ素、ジルコニウム、チタン、ニッケル、クロム及び炭素を含む群から選択される元素の1種以上の窒化物及び/又は炭化物及び/又は炭窒化物でドープされている、請求項1から4までのいずれか1項記載の基材。
- 前記硬質物質層におけるアルミニウム含有率が、ドーパント材料に対して、50質量%超、有利には60質量%超、特に有利には70質量%超である、請求項5記載の基材。
- 前記硬質物質層における酸素の割合が、最大でも10原子%、有利には5原子%未満、特に有利には2原子%未満である、請求項1から6までのいずれか1項記載の基材。
- 前記膜が、前記硬質物質層の上に配置されている付加的なカバー層を有する、請求項1から7までのいずれか1項記載の基材。
- 前記カバー層が、アルミニウム、ケイ素、ホウ素、ジルコニウム、チタン及び炭素を含む群から選択される元素の窒化物及び/又は酸化物及び/又は炭化物及び/又は炭窒化物及び/又は酸窒化物によって形成されている、請求項8記載の基材。
- 前記基材と前記硬質物質層との間に接着促進層が配置されており、ここで、前記接着促進層は、有利には、アルミニウム、ケイ素、ホウ素、ジルコニウム、チタン、ニッケル、クロム及び炭素を含む群から選択される元素の窒化物及び/又は酸化物及び/又は炭化物及び/又は炭窒化物及び/又は酸窒化物から形成されている、請求項1から9までのいずれか1項記載の基材。
- 前記基材上の前記硬質物質層がスパッタ堆積層である、請求項1から10までのいずれか1項記載の基材。
- 前記膜が、金属物体に対してμ<0.5、有利にはμ<0.25の静止摩擦力μを有する、請求項1から11までのいずれか1項記載の基材。
- 前記基材が、ガラス、有利には、サファイアガラス、ホウケイ酸塩ガラス、アルミノケイ酸塩ガラス、石灰ソーダガラス、合成石英ガラス、リチウムアルミノケイ酸塩ガラス、光学ガラス及び光学用の結晶を含む群から選択されるガラス、又はガラスセラミックである、請求項1から12までのいずれか1項記載の基材。
- 前記基材が、ガラスセラミック、有利には2*10-6K-1より小さい熱膨張係数α20-300を有するガラスセラミックである、請求項13記載の基材。
- 前記基材が、加飾された領域を少なくとも部分的に有し、かつ前記加飾された領域が、前記基材と前記膜との間に配置されている、請求項1から14までのいずれか1項記載の基材。
- 前記膜が、少なくとも300℃、有利には少なくとも400℃の温度に対して持続的に耐性がある、請求項1から15までのいずれか1項記載の基材。
- 前記膜が、可視領域及び/又は赤外領域での波長の光に対して少なくとも50%、有利には少なくとも80%の透過率Tを示す、請求項1から16までのいずれか1項記載の基材。
- 基材上に結晶性窒化アルミニウムを含有する硬質物質層を有する耐引掻性膜を製造する方法であって、以下の工程:
a)基材を、アルミニウム含有ターゲットを備えたスパッタリング装置中で準備する工程、
b)スパッタ粒子を、ターゲット面積1cm2当たり8〜1000W/cm2、有利には10〜100W/cm2の範囲の出力密度で、最大でも2*10-5mbar又はそれより小さい最終圧力にて放出する工程
を有する、前記方法。 - スパッタリング法として、マグネトロンスパッタリング又は高出力インパルスマグネトロンスパッタリング(HiPIMS)を用いる、請求項18記載の方法。
- ターゲットと基板との間で負電圧又は交流電圧を維持する、請求項18又は19記載の方法。
- 前記粒子を、100℃より高い、有利には200℃より高い、特に有利には300℃より高い堆積温度で堆積させる、請求項18から20までのいずれか1項記載の方法。
- 前記膜を、イオン衝撃を援用して、有利にはイオンビーム源からのイオン衝撃により、かつ/又は電圧を前記基材にかけることによって行う、請求項18から21までのいずれか1項記載の方法。
- 工程a)において、準備される基材が、ガラス、有利には、サファイアガラス、ホウケイ酸塩ガラス、アルミノケイ酸塩ガラス、石灰ソーダガラス、合成石英ガラス、リチウムアルミノケイ酸塩ガラス、光学ガラス及び光学用の結晶を含む群から選択されるガラス、又はガラスセラミックである、請求項18から22までのいずれか1項記載の方法。
- ターゲットとして、元素のケイ素、ホウ素、ジルコニウム、チタン、ニッケル、クロム及び炭素を含む群から選択される少なくとも1種のドーパントを含むアルミニウムターゲットを使用する、請求項18から23までのいずれか1項記載の方法。
- 前記ターゲットが、50質量%超、有利には60質量%超、特に有利には70質量%超のアルミニウム含有率を有する、請求項24記載の方法。
- 工程a)で準備した前記基材が、加飾層及び/又は接着促進層を有する、請求項18から25までのいずれか1項記載の方法。
- 前記接着促進層が、アルミニウム、ケイ素、ホウ素、ジルコニウム、チタン、ニッケル、クロム及び炭素を含む群から選択される元素の窒化物及び/又は酸化物及び/又は炭化物及び/又は炭窒化物及び/又は酸窒化物を有する層である、請求項26記載の方法。
- 前記工程b)に続く更なる工程において、カバー層を前記硬質物質層上に施与する、請求項18から27までのいずれか1項記載の方法。
- 前記カバー層を、アルミニウム、ケイ素、ホウ素、ジルコニウム、チタン、ニッケル及び炭素を含む群から選択される元素の窒化物及び/又は酸化物及び/又は炭化物及び/又は炭窒化物及び/又は酸窒化物によって形成する、請求項28記載の方法。
- 前記接着促進層及び/又は前記カバー層をスパッタリングによって施与する、請求項26から29までのいずれか1項記載の方法。
- 前記硬質物質層を、表面が粗面化された又はエッチングされた基材上に堆積させる、請求項18から30までのいずれか1項記載の方法。
- 工程b)において、前記粒子を、2*10-5mbar未満の範囲、有利には1*10-6〜5*10-6mbarの範囲の最終圧力で堆積させ、かつ/又は体積流に対する窒素の割合が、少なくとも30体積%、有利には少なくとも40体積%、特に有利には少なくとも50体積%である、請求項18から31までのいずれか1項記載の方法。
- 光学部品、クックトップ、ディスプレイ又は乗り物領域における覗き窓、時計皿、暖炉窓、オーブン窓、家庭用器具におけるガラス部品若しくはガラスセラミック部品、又は例えばタブレットPC若しくは移動電話用のディスプレイとして、殊にタッチディスプレイとしての、請求項1から17までのいずれか1項記載のコーティングされた基材の使用。
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JP2022006231A (ja) * | 2020-06-24 | 2022-01-13 | 株式会社タンガロイ | 被覆切削工具 |
JP7108966B2 (ja) | 2020-06-24 | 2022-07-29 | 株式会社タンガロイ | 被覆切削工具 |
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US9574262B2 (en) | 2017-02-21 |
KR102313266B1 (ko) | 2021-10-19 |
KR20150115670A (ko) | 2015-10-14 |
EP2942333A1 (de) | 2015-11-11 |
CN104973797B (zh) | 2020-02-18 |
US20150284840A1 (en) | 2015-10-08 |
CN104973797A (zh) | 2015-10-14 |
DE102014104799A1 (de) | 2015-10-08 |
DE102014104799B4 (de) | 2021-03-18 |
JP6639101B2 (ja) | 2020-02-05 |
EP2942333B1 (de) | 2017-06-28 |
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