JP2020503670A - 真空プラズマ加工対象物処理装置 - Google Patents
真空プラズマ加工対象物処理装置 Download PDFInfo
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- 238000012545 processing Methods 0.000 title claims abstract description 162
- 239000000758 substrate Substances 0.000 claims abstract description 109
- 238000005086 pumping Methods 0.000 claims abstract description 46
- 210000002381 plasma Anatomy 0.000 claims description 134
- 238000005530 etching Methods 0.000 claims description 51
- 229910052751 metal Inorganic materials 0.000 claims description 36
- 239000002184 metal Substances 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 25
- 238000012546 transfer Methods 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 239000002826 coolant Substances 0.000 claims description 6
- 238000001020 plasma etching Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 239000011888 foil Substances 0.000 claims description 4
- 230000033764 rhythmic process Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 26
- 230000008569 process Effects 0.000 description 18
- 238000009826 distribution Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 230000003993 interaction Effects 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 4
- 229910010293 ceramic material Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000007688 edging Methods 0.000 description 3
- 238000007667 floating Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000007872 degassing Methods 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 238000009832 plasma treatment Methods 0.000 description 2
- 238000005513 bias potential Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- 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
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- 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
- C23C16/46—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 characterised by the method used for heating the substrate
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- C23C16/466—Cooling of the substrate using thermal contact gas
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Abstract
Description
10 MHz ≦ fvhf ≦ 400 MHz、
又は、
10 MHz ≦ fvhf ≦ 300 MHz、
又は、
20 MHz ≦ fvhf ≦ 300 MHz、
又は、
20 MHz ≦ fvhf ≦ 100 MHz、
及び、
0.01 fvhf ≦ fhf ≦ 0.5 fvhf、
又は、
0.05 fvhf ≦ fhf ≦ 0.5 fvhf
が成立する。
10 MHz ≦ fvhf ≦ 400 MHz、
又は、
10 MHz ≦ fvhf ≦ 300 MHz、
又は、
20 MHz ≦ fvhf ≦ 300 MHz、
又は、
20 MHz ≦ fvhf ≦ 100 MHz。
0.01 fvhf ≦ fhf ≦ 0.5 fvhf、
又は、
0.05 fvhf ≦ fhf ≦ 0.5 fvhf。
Ar動作圧力:0.1から0.5Pa、
fvhf:60MHz、
fhf:13.56MHz、
電源vhf供給信号<hf供給信号の電力。
d2:指定された動作条件での暗空間距離よりも大きい:d2≧65mm。
5 処理室
7 ポンピング室
9 側板、リム
9i 第2の電極表面
11 隙間
12 スポーク
13 ポンピングポート
19c 第2の電極構成、加工対象物支持体
19i 第2の電極表面
20 流路構成
23 システム接地タブ
29 第1の電極構成
31 第1の電極構成
31d 扉
31i 第1の電極表面
37 Rf発生装置
39 整合器装置
40 出力装置
45 第2の電極構成
47 加工対象物、基板
50 第1の電極構成、金属体
50i 周囲表面
55 アクセス開口
57 フレーム、下降保持部材
1023 システム接地タブ
PL プラズマ空間
Claims (32)
- 所定の圧力条件を含む所定の条件下で動作する真空プラズマ処理用に構成された真空プラズマ処理装置であって、
受容器とも呼ばれる真空筐体(3)を含み、
前記筐体(3)が、ポンピングポート(13)を含むポンピング室(7)と、処理室(5)とに細分され、前記室(5、7)が、側板又はリム(9)によって分離され、前記側板又はリム(9)が、前記処理室(7)への加工対象物のアクセス開口(55)を画定するフレーム(57)を保持し、前記フレーム(57)が、前記ポンピング室(5)と前記処理室(7)との間に隙間(11)を相互に画定する多数のスポーク(12)を用いて前記側板又はリム(9)によって保持され、前記隙間が、動作中にプラズマが前記所定のエッチング条件でその中で燃焼しないように調整され、前記フレーム(57)が熱負荷の下で自由に伸縮し得るような方式で、前記フレーム(57)が、前記スポークを用いて前記リム又は側板によって保持される、真空プラズマ処理装置。 - 前記スポークが、圧縮性部材及び/又は屈曲性部材として構成されている、請求項1に記載の真空プラズマ処理装置。
- 真空プラズマエッチング装置である、請求項1又は2に記載の真空プラズマ処理装置。
- 容量結合RF真空プラズマエッチング装置である、請求項1から3の何れか一項に記載の真空処理装置。
- 前記真空受容器(3)内に、第1の電極構成(29)と前記第1の電極構成に面する第2の電極構成(45、19c、9)とからなる1つの電極構成と単に動作的に接触するプラズマ空間と、
前記プラズマ空間(PL)に露出される第1の電極表面(31i)を画定する前記第1の電極構成(29)と、
前記プラズマ空間(PL)に露出される第2の電極表面(9i、19i)を画定し、加工対象物支持体(19c)の前記表面(19i)を含む、前記第2の電極構成(45)と、
を備え、
前記第1の電極表面が、前記第2の電極表面より大きく、
前記第1の電極構成が、プラズマ供給Rf信号を発生する整合器装置(39)を介してRf発生装置(37)の出力装置(40)に電気的に接続される、請求項4に記載の真空プラズマ処理装置。 - 前記Rf発生装置(37)が、前記出力装置(40)に超高周波数(vhf)の少なくとも1つの第1のプラズマ供給信号を生成し、前記出力装置(40)に前記超高周波数より低い高周波数(hf)の少なくとも1つの第2のプラズマ供給信号を生成し、
前記第1の電極構成(29、31、50)が、前記整合器装置(39)を介して前記出力装置(40)に電気的に接続され、動作中に、前記第1及び第2のプラズマ供給信号によって電気的に供給され、
前記第2の電極構成(45)が、少なくともエッチング動作中に、システム接地タブ(23、1023)に電気的に接続されている、請求項5に記載の真空プラズマ処理装置。 - 前記第1の電極構成(29、31、50)が、前記プラズマ空間(PL)に自由に露出される周囲表面(50i)を有する金属体(50)を含み、前記周囲表面(50i)が、前記第1の電極表面の一部である、請求項5又は6に記載の真空プラズマ処理装置。
- 前記金属体が、動作中に前記所定の条件においてプラズマが前記貫通開口及び/又は貫通スリット内で燃焼するように調整された貫通開口及び/又は貫通スリットのパターンを含む、請求項7に記載の真空プラズマ処理装置。
- 前記第1の電極表面が、第1の平面に沿って延びる第1の表面領域と、第2の平面に沿って延びる第2の表面領域とを含み、前記第1及び第2の表面領域が、動作中にプラズマが前記所定の条件において間隙内で間隙に沿って燃焼するように調整された前記間隙を画定し、好ましくは、前記間隙が、できるだけ狭くなるようになる、請求項5から8の何れか一項に記載の真空プラズマ処理装置。
- 前記第2の電極表面が、第3の平面に沿って延びる表面領域を含み、前記第1、第2及び第3の平面が、平行平面である、請求項9に記載の真空プラズマ処理装置。
- 前記金属体(50)がプレートである、請求項7から10の何れか一項に記載の真空プラズマ処理装置。
- 前記プラズマ空間(PL)に自由に露出され、浸される前記金属体(50)の前記周囲表面(50i)の第1の部分と、前記第1の部分に面する、前記第1の電極表面の第2の部分との間の間隔が、10mmから40mm、好ましくは20mmである、
請求項7から11の何れか一項に記載の真空プラズマ処理装置。 - 前記加工対象物支持体に面する前記第1の電極表面の大部分と、前記加工対象物支持体の表面の大部分との間の間隔が、40mmから80mm、好ましくは65mmである、請求項7から12の何れか一項に記載の真空プラズマ処理装置。
- 前記Rf発生装置(37)が、局所的に異なる2つ以上の接点(C、E)で前記第1の電極構成(29)に接続されている、請求項5から13の何れか一項に記載の真空プラズマ処理装置。
- 前記第1のプラズマ供給信号(vhf)と前記第2のプラズマ供給信号(hf)とが、局所的に異なる接点(C、E)で前記第1の電極構成(29)に接続されている、請求項6から14の何れか一項に記載の真空プラズマ処理装置。
- 10 MHz ≦ fvhf ≦ 400 MHz、
又は、
10 MHz ≦ fvhf ≦ 300 MHz、
又は、
20 MHz ≦ fvhf ≦ 300 MHz、
又は、
20 MHz ≦ fvhf ≦ 100 MHz、
及び、
0.01 fvhf ≦ fhf ≦ 0.5 fvhf、
又は、
0.05 fvhf ≦ fhf ≦ 0.5 fvhf
が成立し、
fhfが、前記高周波数供給信号の周波数であり、fvhfが、前記超高周波数供給信号の周波数である、請求項6から15の何れか一項に記載の真空プラズマ処理装置。 - 前記フレームに向かって及び前記フレームから駆動可能な加工対象物支持体(19c)を備える、請求項1から16の何れか一項に記載の真空プラズマ処理装置。
- 加工対象物支持体を含み、前記加工対象物支持体(19c)が、前記加工対象物のアクセス開口の軸の方向に、前記処理室に向かって及び前記処理室から駆動可能である、請求項1から17の何れか一項に記載の真空プラズマ処理装置。
- 加工対象物支持体を含み、前記加工対象物支持体(19c)が、前記加工対象物のアクセス開口の軸の方向に前記処理室に向かって及び前記処理室から移動可能ではない、請求項1から17の何れか一項に記載の真空プラズマ処理装置。
- 加工対象物支持体を含み、前記加工対象物支持体(19c)が、前記加工対象物のアクセス開口の軸の方向に前記処理室に向かって及び前記処理室から移動可能ではなく、前記第1の電極構成(29)が、加工対象物を搬入/搬出するための、駆動可能である扉(31d)を含む、請求項5から17の何れか一項に記載の真空プラズマ処理装置。
- 搬入/搬出位置から処理位置へ及びその逆に駆動可能である加工対象物支持体を含み、前記フレームが、前記処理位置における前記加工対象物支持体(19c)上の加工対象物又は基板(47)のための下降保持部材として作用する、請求項1から20の何れか一項に記載の真空プラズマ処理装置。
- 前記スポークの少なくとも一部が、各々長さ範囲の方向を定義し、前記長さ範囲のそれぞれの方向が、それぞれのスポーク固定の中心で前記フレーム上の接線と角度αで交差し、90°>α≧0°が成立し、これらのスポークが屈曲性部材であるように前記フレームに取り付けられる、請求項1から21の何れか一項に記載の真空プラズマ処理装置。
- 前記スポークの少なくとも一部が、各々長さ範囲の方向を定義し、前記長さ範囲のそれぞれの方向が、それぞれのスポーク固定の中心で前記フレーム上の接線と角度αで交差し、α=90°が成立し、これらのスポークが圧縮性部材であるように前記フレームに取り付けられる、請求項1から21の何れか一項に記載の真空プラズマ処理装置。
- 加工対象物支持体を含み、前記加工対象物支持体が、搬入/搬出位置から処理位置へ及びその逆に駆動可能であり、下降保持部材(57)が、前記エッチング室に露出される加工対象物又は基板の表面の周囲にそれに沿って前記処理位置において前記加工対象物支持体(19c)に前記加工対象物又は基板を保持するように構成され、前記加工対象物支持体(19c)が、液体の加熱又は冷却媒体を受容するように構成された流路構成(20)、及び、熱伝導気体を受容するように構成された更なる流路構成を備え、前記加工対象物又は基板に対する前記加工対象物支持体の支持体表面に穴及び/又はスリットパターンによって放出する、請求項1から23の何れか一項に記載の真空プラズマ処理装置。
- 前記更なる流路構成及び前記支持体表面に放出する穴及び/又はスリットのパターンが、前記支持体表面と基板又は加工対象物との間の空間の周囲に沿って、前記空間のより中央部内でそれに沿った圧力に少なくとも等しい熱伝導気体の圧力を確立するように調整される、請求項24に記載の真空プラズマ処理装置。
- 前記側板又はリム(9)が、前記筐体(3)の一部であり、又は、前記筐体(3)の一部を含む、請求項1から25の何れか一項に記載の真空プラズマ処理装置。
- 加工対象物支持体を含み、前記側板又はリムが、別個の分散された弾性接触部材(56)によって加工対象物の処理位置において前記加工対象物支持体(19c)に電気的に接続される、請求項1から26の何れか一項に記載の真空プラズマ処理装置。
- 長方形又は正方形の基板用に成形されている、請求項1から27の何れか一項に記載の真空プラズマ処理装置。
- 前記エッチングのための所定の圧力条件が、0.1から0.5Paであり、両方の限界値を含む、請求項1から28の何れか一項に記載の真空プラズマ処理装置。
- 請求項1から29の何れか一項に記載の少なくとも1つの真空プラズマ処理装置を含み、好ましくはコイルトゥコイルフォイル処理プラントを含むインラインプラント、又は、前記部が、中央ハンドラーによるように、ハンドラーによるような選択可能なリズムで少なくとも1つの加工対象物又は基板を搬入及び搬出し得るプラントである、加工対象物又は基板処理プラント。
- 請求項1から29の何れか一項以上に記載の真空プラズマ処理装置又は請求項30に記載のプラントを使用することによって真空プラズマ処理する方法又は真空プラズマ処理された加工対象物又は基板を製造する方法。
- 反応性気体雰囲気中で行われる、請求項31に記載の方法。
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