JP5219515B2 - シリコンまたはシリコンカーバイド電極表面をプラズマエッチング処理中の形態改質から保護する方法 - Google Patents
シリコンまたはシリコンカーバイド電極表面をプラズマエッチング処理中の形態改質から保護する方法 Download PDFInfo
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- JP5219515B2 JP5219515B2 JP2007539044A JP2007539044A JP5219515B2 JP 5219515 B2 JP5219515 B2 JP 5219515B2 JP 2007539044 A JP2007539044 A JP 2007539044A JP 2007539044 A JP2007539044 A JP 2007539044A JP 5219515 B2 JP5219515 B2 JP 5219515B2
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- 238000000034 method Methods 0.000 title claims description 77
- 239000010703 silicon Substances 0.000 title claims description 62
- 229910052710 silicon Inorganic materials 0.000 title claims description 61
- 230000008569 process Effects 0.000 title claims description 47
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 title claims description 46
- 229910010271 silicon carbide Inorganic materials 0.000 title claims description 36
- 238000001020 plasma etching Methods 0.000 title claims description 15
- 230000004048 modification Effects 0.000 title description 5
- 238000012986 modification Methods 0.000 title description 5
- 238000012545 processing Methods 0.000 claims description 64
- 239000007789 gas Substances 0.000 claims description 59
- 238000000576 coating method Methods 0.000 claims description 53
- 239000011248 coating agent Substances 0.000 claims description 48
- 229920000642 polymer Polymers 0.000 claims description 46
- 239000000758 substrate Substances 0.000 claims description 38
- 239000000203 mixture Substances 0.000 claims description 34
- 239000004065 semiconductor Substances 0.000 claims description 31
- 238000005530 etching Methods 0.000 claims description 27
- 230000001681 protective effect Effects 0.000 claims description 26
- 238000004140 cleaning Methods 0.000 claims description 19
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 239000002243 precursor Substances 0.000 claims description 9
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 229930195733 hydrocarbon Natural products 0.000 claims description 5
- 150000002430 hydrocarbons Chemical class 0.000 claims description 5
- 230000003213 activating effect Effects 0.000 claims description 4
- 238000000151 deposition Methods 0.000 claims description 4
- 229910052756 noble gas Inorganic materials 0.000 claims description 4
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 2
- 150000002835 noble gases Chemical class 0.000 claims 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 60
- 229910021418 black silicon Inorganic materials 0.000 description 39
- 235000012431 wafers Nutrition 0.000 description 27
- 230000015572 biosynthetic process Effects 0.000 description 14
- 238000005755 formation reaction Methods 0.000 description 14
- 239000000463 material Substances 0.000 description 8
- 230000002093 peripheral effect Effects 0.000 description 7
- 239000011253 protective coating Substances 0.000 description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000003989 dielectric material Substances 0.000 description 5
- 230000004660 morphological change Effects 0.000 description 4
- 229910052786 argon Inorganic materials 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 238000012876 topography Methods 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 2
- 230000000877 morphologic effect Effects 0.000 description 2
- 238000001878 scanning electron micrograph Methods 0.000 description 2
- 150000003376 silicon Chemical class 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/0035—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/62—Plasma-deposition of organic layers
-
- 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
- H01J37/32431—Constructional details of the reactor
- H01J37/32532—Electrodes
- H01J37/32559—Protection means, e.g. coatings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/3065—Plasma etching; Reactive-ion etching
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31105—Etching inorganic layers
- H01L21/31111—Etching inorganic layers by chemical means
- H01L21/31116—Etching inorganic layers by chemical means by dry-etching
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Plasma & Fusion (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Optics & Photonics (AREA)
- Analytical Chemistry (AREA)
- Drying Of Semiconductors (AREA)
Description
Claims (13)
- 保護ポリマーコーティングをプラズマ処理チャンバ内で堆積する方法であって、
プラズマ露出面を有し、半導体基板を支持するための基板支持体に面するシャワーヘッド電極であって、単結晶シリコン、多結晶シリコンまたはシリコンカーバイドを含むシャワーヘッド電極を内包するプラズマ処理チャンバ内にガス組成物を供給するステップと、
前記ガス組成物を活性化してプラズマ状態にするステップと、
前記シャワーヘッド電極の前記プラズマ露出面の少なくとも一部の上に、保護ポリマーコーティングを形成するステップとを有し、前記保護ポリマーコーティングは、前記プラズマ処理チャンバ内での前記半導体基板の後続のプラズマエッチング中に、前記保護ポリマーコーティングの下にある前記プラズマ露出面をエッチングから保護し、
前記プラズマ処理チャンバは、製造用ウェハを内包しておらず、
前記保護ポリマーコーティングは、前記プラズマ処理チャンバの内面をプラズマクリーニングする多工程プロセスの一部において、前記シャワーヘッド電極の前記プラズマ露出面上に形成されることを特徴とする方法。 - 前記ガス組成物は、前記シャワーヘッド電極の前記プラズマ露出面上に前記保護ポリマーコーティングを形成することができる、炭化水素、フルオロカーボン、ハイドロフルオロカーボン、およびそれらの前駆体からなる群から選択された、少なくとも1種のガスを含むことを特徴とする請求項1に記載の方法。
- 前記ガス組成物は、C2H2、C2H4、C3H4、C3H6、C4F6、C4F8、CH3F、CH2F2、およびそれらの混合ガスからなる群から選択された、少なくとも1種のガスを含むことを特徴とする請求項1に記載の方法。
- 前記ガス組成物は、希ガス、O2、H2、N2、CO、CO2、およびそれらの混合ガスからなる群から選択された、少なくとも1種のガスを更に含むことを特徴とする請求項3に記載の方法。
- 前記ガス組成物は、実質的に、CH3F、O2、および希ガスから構成されることを特徴とする請求項1に記載の方法。
- 前記シャワーヘッド電極の前記プラズマ露出面上に形成される前記保護ポリマーコーティングは、前記プラズマ処理チャンバ内での前記半導体基板の後続のプラズマエッチング中に、前記プラズマ露出面上に残るために十分な厚さを有することを特徴とする請求項1に記載の方法。
- 前記ガス組成物は、前記プラズマ処理チャンバ内に、100sccm〜500sccmの流量で供給され、前記プラズマ処理チャンバは、20mT〜1000mTの圧力であることを特徴とする請求項1に記載の方法。
- 前記保護ポリマーコーティングは、前記プラズマ処理チャンバ内で前記半導体基板をエッチングする方法の一部において、前記シャワーヘッド電極の前記プラズマ露出面上に形成されることを特徴とする請求項1に記載の方法。
- 前記ガス組成物は、前記プラズマ処理チャンバ内への容量結合パワーによって活性化されることを特徴とする請求項1に記載の方法。
- 前記シャワーヘッド電極は、新しいシャワーヘッド電極、再生されたシャワーヘッド電極、または前記プラズマ処理チャンバ内で以前に使用されたシャワーヘッド電極であることを特徴とする請求項1に記載の方法。
- 前記保護ポリマーコーティングは、前記シャワーヘッド電極のプラズマ露出面全体に形成されることを特徴とする請求項1に記載の方法。
- 前記プラズマ処理チャンバは、シリコンまたはシリコンカーバイドを含み、プラズマ露出面を有する少なくとも1つの追加部分を内包し、前記保護ポリマーコーティングは、前記少なくとも1つの追加部分の前記プラズマ露出面上に形成されることを特徴とする請求項1に記載の方法。
- 前記保護ポリマーコーティングを形成した後、前記プラズマ処理チャンバ内に製造用ウェハを搬送するステップと、
前記製造用ウェハをエッチングするステップとを更に有することを特徴とする請求項1に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US10/975,946 | 2004-10-29 | ||
US10/975,946 US7226869B2 (en) | 2004-10-29 | 2004-10-29 | Methods for protecting silicon or silicon carbide electrode surfaces from morphological modification during plasma etch processing |
PCT/US2005/038373 WO2006049954A2 (en) | 2004-10-29 | 2005-10-26 | Methods for protecting silicon or silicon carbide electrode surfaces from morphological modification during plasma etch processing |
Related Child Applications (1)
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JP2012205020A Division JP5468661B2 (ja) | 2004-10-29 | 2012-09-18 | シリコンまたはシリコンカーバイド電極表面をプラズマエッチング処理中の形態改質から保護する方法 |
Publications (2)
Publication Number | Publication Date |
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JP2008519431A JP2008519431A (ja) | 2008-06-05 |
JP5219515B2 true JP5219515B2 (ja) | 2013-06-26 |
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JP2007539044A Expired - Fee Related JP5219515B2 (ja) | 2004-10-29 | 2005-10-26 | シリコンまたはシリコンカーバイド電極表面をプラズマエッチング処理中の形態改質から保護する方法 |
JP2012205020A Expired - Fee Related JP5468661B2 (ja) | 2004-10-29 | 2012-09-18 | シリコンまたはシリコンカーバイド電極表面をプラズマエッチング処理中の形態改質から保護する方法 |
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JP2012205020A Expired - Fee Related JP5468661B2 (ja) | 2004-10-29 | 2012-09-18 | シリコンまたはシリコンカーバイド電極表面をプラズマエッチング処理中の形態改質から保護する方法 |
Country Status (6)
Country | Link |
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US (1) | US7226869B2 (ja) |
JP (2) | JP5219515B2 (ja) |
KR (1) | KR101191696B1 (ja) |
CN (1) | CN100466187C (ja) |
TW (1) | TWI390625B (ja) |
WO (1) | WO2006049954A2 (ja) |
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JP7431160B2 (ja) * | 2017-12-15 | 2024-02-14 | コーニング インコーポレイテッド | 基板を処理するための方法および結合されたシートを含む物品を製造するための方法 |
KR20210006229A (ko) * | 2019-07-08 | 2021-01-18 | 주성엔지니어링(주) | 기판 처리 장치의 챔버 클리닝 방법 |
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CN116171483A (zh) * | 2021-07-14 | 2023-05-26 | 株式会社日立高新技术 | 等离子体处理方法 |
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KR20070101850A (ko) | 2007-10-17 |
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JP2008519431A (ja) | 2008-06-05 |
JP2013042149A (ja) | 2013-02-28 |
US7226869B2 (en) | 2007-06-05 |
US20060091104A1 (en) | 2006-05-04 |
TWI390625B (zh) | 2013-03-21 |
KR101191696B1 (ko) | 2012-10-16 |
CN101053068A (zh) | 2007-10-10 |
WO2006049954A3 (en) | 2006-09-08 |
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