JP2012505968A - スパッタターゲットへの円対称のrf供給およびdc供給を用いる物理蒸着リアクタ - Google Patents
スパッタターゲットへの円対称のrf供給およびdc供給を用いる物理蒸着リアクタ Download PDFInfo
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- 238000005240 physical vapour deposition Methods 0.000 title description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 12
- 239000003989 dielectric material Substances 0.000 claims description 7
- 238000009826 distribution Methods 0.000 description 17
- 238000000034 method Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 12
- 238000000151 deposition Methods 0.000 description 8
- 230000008021 deposition Effects 0.000 description 8
- 150000002500 ions Chemical class 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 125000006850 spacer group Chemical group 0.000 description 6
- 239000004020 conductor Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000002955 isolation Methods 0.000 description 5
- 230000003071 parasitic effect Effects 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 208000024891 symptom Diseases 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005549 size reduction Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
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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
- H01J37/3402—Gas-filled discharge tubes operating with cathodic sputtering using supplementary magnetic fields
- H01J37/3405—Magnetron sputtering
- H01J37/3408—Planar magnetron sputtering
-
- 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
- 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
- C23C14/34—Sputtering
- C23C14/35—Sputtering by application of a magnetic field, e.g. magnetron sputtering
-
- 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
- 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
- C23C14/54—Controlling or regulating the coating process
-
- 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
- H01J37/3411—Constructional aspects of the reactor
- H01J37/3444—Associated circuits
-
- 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
- H01J37/3411—Constructional aspects of the reactor
- H01J37/345—Magnet arrangements in particular for cathodic sputtering apparatus
- H01J37/3455—Movable magnets
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- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
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- Physical Vapour Deposition (AREA)
- Physical Deposition Of Substances That Are Components Of Semiconductor Devices (AREA)
Abstract
Description
Claims (15)
- 天井、前記天井に隣接するスパッタターゲット、および前記スパッタターゲットに面するその内部のウェハ支持ペデスタルを含むリアクタチャンバと、
前記天井の上に重なり、前記天井に面する頂部蓋を有する導電性ハウジングと、
前記ハウジングの中に収容され、回転可能なスピンドル、前記スピンドルの内側端部に結合された半径方向のアーム組立体、および前記半径方向のアーム組立体の外側端部に結合された磁石を含む回転磁石組立体であって、前記ハウジングの前記頂部蓋が中央ポートを有し、前記スピンドルが前記中央ポートを通って軸方向に延びる回転磁石組立体と、
前記スピンドルの前記頂部蓋より上に延びる部分を囲む、前記頂部蓋上の導電性中空シリンダと、
前記中空シリンダから半径方向に延びる半径方向のRF接続ロッドと、
RF発生器およびRFインピーダンス整合部を含むRF電力源であって、前記インピーダンス整合部が、前記RF接続ロッドの外側端部に接続されるRF電力源と
を備えるプラズマリアクタ。 - 前記中空シリンダから半径方向に延びる半径方向のDC接続ロッドと、
DC電力供給部およびRF遮断フィルタを含むDC電力源であって、前記RF遮断フィルタが、前記DC接続ロッドの外側端部に接続されるDC電力源と
をさらに備える請求項1に記載のリアクタ。 - 前記RF接続ロッドおよび前記DC接続ロッドが、前記中空シリンダ上の互いに角度をずらされた位置から出る請求項2に記載のリアクタ。
- 前記位置が約180°だけずらされる請求項3に記載のリアクタ。
- 前記接続ロッド、前記中空シリンダ、前記頂部蓋、前記ハウジングおよび前記天井が導電性であり、前記スパッタターゲットまでの電気経路を形成する請求項2に記載のリアクタ。
- 前記ウェハ支持ペデスタル内の電極と、
前記ウェハ支持ペデスタルに結合されたRFバイアス電力源と
をさらに備える請求項1に記載のリアクタ。 - 前記RFバイアス電力源が、
高周波RF電力発生器、および前記電極に接続された高周波インピーダンス整合部と、
低周波RF電力発生器、および前記電極に接続された低周波インピーダンス整合部と
を備える請求項6に記載のリアクタ。 - RF遮蔽エンクロージャをさらに備え、前記RF遮蔽エンクロージャが、
前記ハウジングを囲む導電性側壁であって、前記ハウジングと該導電性側壁の間に第1のギャップを形成するように前記ハウジングから隔離される導電性側壁と、
前記ハウジングの前記頂部蓋の上に重なる導電性遮蔽蓋であって、前記頂部蓋から第2のギャップによって隔離され、前記頂部蓋と該導電性遮蔽蓋の間に第2のギャップを形成するように前記頂部蓋から隔離される導電性遮蔽蓋と、
前記中空シリンダを囲む導電性スリーブであって、前記中空シリンダと該導電性スリーブの間に第3のギャップを形成するように前記中空シリンダから隔離され、前記第1、第2および第3のギャップが連続空間を形成する導電性スリーブと
を含む請求項1に記載のリアクタ。 - 前記連続空間が誘電体物質で充たされる請求項8に記載のリアクタ。
- 前記誘電体物質が空気を含み、前記リアクタが、前記ギャップを維持するために、前記空間内に低誘電率の絶縁ストラットをさらに備える請求項9に記載のリアクタ。
- 天井、および前記天井に隣接するスパッタターゲットを有するプラズマリアクタにおいて、RF供給システムが、
前記天井の上に重なり、前記天井に面する頂部蓋を有する導電性ハウジングと、
前記ハウジングの中に収容され、回転可能なスピンドル、前記スピンドルの内側端部に結合された半径方向のアーム組立体、および前記半径方向のアーム組立体の外側端部に結合された磁石を含む回転磁石組立体であって、前記ハウジングの前記頂部蓋が中央ポートを有し、前記スピンドルが前記中央ポートを通って軸方向に延びる回転磁石組立体と、
前記スピンドルの前記頂部蓋より上に延びる部分を囲む、前記頂部蓋上の導電性中空シリンダと、
前記中空シリンダから半径方向に延び、RF電力源に接続するように適合された半径方向のRF接続ロッドと
を備えるプラズマリアクタ。 - 前記中空シリンダから半径方向に延び、DC電力源に接続するように適合された半径方向のDC接続ロッドであって、前記RF接続ロッドおよび該DC接続ロッドが、前記中空シリンダ上の互いに角度をずらされた位置から出て、前記位置が約180°だけずらされる半径方向のDC接続ロッドをさらに備える請求項11に記載の装置。
- 前記接続ロッド、前記中空シリンダ、前記頂部蓋、前記ハウジングおよび前記天井が導電性であり、前記スパッタターゲットまでの電気経路を形成する請求項12に記載の装置。
- RF遮蔽エンクロージャをさらに備え、前記RF遮蔽エンクロージャが、
前記ハウジングを囲む導電性側壁であって、前記ハウジングと該導電性側壁の間に第1のギャップを形成するように前記ハウジングから隔離される導電性側壁と、
前記ハウジングの前記頂部蓋の上に重なる導電性遮蔽蓋であって、前記頂部蓋から第2のギャップによって隔離され、前記頂部蓋と該導電性遮蔽蓋の間に第2のギャップを形成するように前記頂部蓋から隔離される導電性遮蔽蓋と、
前記中空シリンダを囲む導電性スリーブであって、前記中空シリンダと該導電性スリーブの間に第3のギャップを形成するように前記中空シリンダから隔離され、前記第1、第2および第3のギャップが連続空間を形成し、前記連続空間内に誘電体物質が収容される導電性スリーブと
を含む請求項11に記載の装置。 - 前記誘電体物質が空気を含み、前記装置が、前記ギャップを維持するために、前記空間内に低誘電率の絶縁ストラットをさらに備える請求項14に記載の装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/253,603 | 2008-10-17 | ||
US12/253,603 US8070925B2 (en) | 2008-10-17 | 2008-10-17 | Physical vapor deposition reactor with circularly symmetric RF feed and DC feed to the sputter target |
PCT/US2009/059335 WO2010045037A2 (en) | 2008-10-17 | 2009-10-02 | Physical vapor deposition reactor with circularly symmetric rf feed and dc feed to the sputter target |
Publications (3)
Publication Number | Publication Date |
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JP2012505968A true JP2012505968A (ja) | 2012-03-08 |
JP2012505968A5 JP2012505968A5 (ja) | 2013-04-11 |
JP5345221B2 JP5345221B2 (ja) | 2013-11-20 |
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JP2011532144A Expired - Fee Related JP5345221B2 (ja) | 2008-10-17 | 2009-10-02 | スパッタターゲットへの円対称のrf供給およびdc供給を用いる物理蒸着リアクタ |
Country Status (6)
Country | Link |
---|---|
US (1) | US8070925B2 (ja) |
JP (1) | JP5345221B2 (ja) |
KR (1) | KR101284787B1 (ja) |
CN (1) | CN102203908B (ja) |
TW (1) | TWI388001B (ja) |
WO (1) | WO2010045037A2 (ja) |
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CN102203908A (zh) | 2011-09-28 |
US8070925B2 (en) | 2011-12-06 |
US20100096261A1 (en) | 2010-04-22 |
WO2010045037A3 (en) | 2010-07-01 |
WO2010045037A8 (en) | 2011-05-26 |
KR20110084948A (ko) | 2011-07-26 |
CN102203908B (zh) | 2013-10-02 |
KR101284787B1 (ko) | 2013-07-10 |
TWI388001B (zh) | 2013-03-01 |
TW201030811A (en) | 2010-08-16 |
WO2010045037A2 (en) | 2010-04-22 |
JP5345221B2 (ja) | 2013-11-20 |
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