JP6849801B2 - 選択的エッチング速度モニタ - Google Patents
選択的エッチング速度モニタ Download PDFInfo
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- JP6849801B2 JP6849801B2 JP2019525878A JP2019525878A JP6849801B2 JP 6849801 B2 JP6849801 B2 JP 6849801B2 JP 2019525878 A JP2019525878 A JP 2019525878A JP 2019525878 A JP2019525878 A JP 2019525878A JP 6849801 B2 JP6849801 B2 JP 6849801B2
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- 238000005530 etching Methods 0.000 title claims description 125
- 238000000034 method Methods 0.000 claims description 142
- 230000008569 process Effects 0.000 claims description 126
- 238000012545 processing Methods 0.000 claims description 119
- 239000000758 substrate Substances 0.000 claims description 48
- 239000000463 material Substances 0.000 claims description 34
- 150000002500 ions Chemical class 0.000 claims description 14
- 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
- 239000000523 sample Substances 0.000 claims description 9
- 239000004065 semiconductor Substances 0.000 claims description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 3
- 229910052451 lead zirconate titanate Inorganic materials 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000003989 dielectric material Substances 0.000 claims description 2
- 229910052732 germanium Inorganic materials 0.000 claims description 2
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims description 2
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 claims description 2
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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
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67017—Apparatus for fluid treatment
- H01L21/67063—Apparatus for fluid treatment for etching
- H01L21/67069—Apparatus for fluid treatment for etching for drying 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
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67242—Apparatus for monitoring, sorting or marking
- H01L21/67253—Process monitoring, e.g. flow or thickness monitoring
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H13/00—Measuring resonant frequency
-
- 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
- H01J37/32009—Arrangements for generation of plasma specially adapted for examination or treatment of objects, e.g. plasma sources
- H01J37/32357—Generation remote from the workpiece, e.g. down-stream
-
- 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
- H01J37/32798—Further details of plasma apparatus not provided for in groups H01J37/3244 - H01J37/32788; special provisions for cleaning or maintenance of the apparatus
- H01J37/32816—Pressure
- H01J37/32834—Exhausting
-
- 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
- H01J37/32917—Plasma diagnostics
- H01J37/32935—Monitoring and controlling tubes by information coming from the object and/or discharge
-
- 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
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67155—Apparatus for manufacturing or treating in a plurality of work-stations
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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
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67242—Apparatus for monitoring, sorting or marking
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
- H01L22/20—Sequence of activities consisting of a plurality of measurements, corrections, marking or sorting steps
- H01L22/26—Acting in response to an ongoing measurement without interruption of processing, e.g. endpoint detection, in-situ thickness measurement
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
- H01L22/10—Measuring as part of the manufacturing process
- H01L22/14—Measuring as part of the manufacturing process for electrical parameters, e.g. resistance, deep-levels, CV, diffusions by electrical means
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- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Plasma & Fusion (AREA)
- Analytical Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Drying Of Semiconductors (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Production Of Multi-Layered Print Wiring Board (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
Description
Claims (14)
- 共振体、
前記共振体の第1の表面上にわたり形成された第1の電極、
前記共振体の第2の表面上にわたり形成された第2の電極、及び
前記第1の電極上にわたり形成された犠牲層であって、前記第1の電極の少なくとも一部分が前記犠牲層によってカバーされていない、犠牲層を備えた、共振システムと、
前記共振システムを固定するための導電性ハウジングであって、前記第1の電極と接触し、前記導電性ハウジングの内縁の少なくとも一部分が前記犠牲層から間隔を空けられている、導電性ハウジングと、
前記第1の電極と前記第2の電極との間に電気的に接続された周波数ブリッジと、
を備えた、リアルタイムエッチング速度センサ。 - 前記犠牲層が、1以上のラジカルのみのエッチングプロセスにおいて前記第1の電極に対して選択的にエッチングされる材料である、請求項1に記載のリアルタイムエッチング速度センサ。
- 前記犠牲層が、誘電材料、半導体材料、又は導電性材料である、請求項2に記載のリアルタイムエッチング速度センサ。
- 前記犠牲層が、前記導電性ハウジングと接触していない、請求項1に記載のリアルタイムエッチング速度センサ。
- 複数の犠牲層であって、前記複数の犠牲層の各々が互いに且つ前記第1の電極に対して選択的にエッチングされる、複数の犠牲層を更に備える、請求項1に記載のリアルタイムエッチング速度センサ。
- 前記共振体が、石英、サファイア、シリコン、ゲルマニウム、又はチタン酸ジルコン酸鉛である、請求項1に記載のリアルタイムエッチング速度センサ。
- ラジカルのみのエッチングプロセスツールであって、
遠隔プラズマチャンバと、
前記遠隔プラズマチャンバに連結された主たる処理チャンバとを備え、前記主たる処理チャンバが、
上側部分、
下側部分であって、前記上側部分がイオンフィルタによって前記下側部分から分離されている、下側部分、及び
前記下側部分内のペデスタルの周りに形成されたポンプライナを備え、前記ツールが更に、
前記主たる処理チャンバの前記下側部分内に位置付けられたリアルタイムエッチング速度センサを備え、前記リアルタイムエッチング速度センサが、
共振体、
前記共振体の第1の表面上にわたり形成された第1の電極、
前記共振体の第2の表面上にわたり形成された第2の電極、及び
前記第1の電極上にわたり形成された犠牲層であって、前記第1の電極の少なくとも一部分が前記犠牲層によってカバーされていない、犠牲層を備えた、共振システムと、
前記共振システムを固定するための導電性ハウジングであって、前記第1の電極と接触し、前記導電性ハウジングの内縁の少なくとも一部分が前記犠牲層から間隔を空けられている、導電性ハウジングとを備える、ラジカルのみのエッチングプロセスツール。 - 前記リアルタイムエッチング速度センサが、前記主たる処理チャンバの前記下側部分内のポートを貫通するプローブによって、前記主たる処理チャンバの外側のモニタに接続されている、請求項7に記載のラジカルのみのエッチングプロセスツール。
- 前記ポンプライナが、前記ペデスタルと前記リアルタイムエッチング速度センサとの間に位置決めされている、請求項8に記載のラジカルのみのエッチングプロセスツール。
- 前記プローブが、前記ポンプライナ内の開口を貫通し、前記リアルタイムエッチング速度センサが、前記ポンプライナを通る前記開口内に位置している、請求項8に記載のラジカルのみのエッチングプロセスツール。
- ゲートバルブによって前記主たるチャンバの前記下側部分から分離されたアンティチャンバを更に備え、前記リアルタイムエッチング速度センサが、前記アンティチャンバと前記主たるチャンバの前記下側部分との間で移動可能なように、前記プローブが前記バルブを通って後退可能である、請求項8に記載のラジカルのみのエッチングプロセスツール。
- 請求項1から6のいずれか一項に記載のリアルタイムエッチング速度センサを利用して、閉ループプロセスレシピを用いて基板をエッチングするための方法であって、
処理チャンバ内の基板上で前記プロセスレシピを実行することであって、前記プロセスレシピが、1以上のプロセスパラメータと、前記処理チャンバ内に位置付けられた前記リアルタイムエッチング速度センサから得られた出力から判定可能な終点基準とを含む、処理チャンバ内の基板上で前記プロセスレシピを実行すること、
前記リアルタイムエッチング速度センサからの1以上の出力を解析することによって、前記終点基準が満たされているか否かを判定すること、及び
前記終点基準が満たされると前記プロセスレシピを終了することを含む、方法。 - 前記終点基準が除去される材料の全厚さであり、前記終点基準が満たされているか否かを判定するために使用される前記リアルタイムエッチング速度センサからの前記1以上の出力が、前記プロセスレシピを実行する前の前記リアルタイムエッチング速度センサの共振周波数、及び前記プロセスレシピが開始された後の前記リアルタイムエッチング速度センサの現在の共振周波数を含む、請求項12に記載の方法。
- 複数の処理チャンバ間のチャンバのマッチングを提供するために、前記閉ループプロセスレシピが、前記複数の処理チャンバを用いて実施される、請求項13に記載の方法。
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US15/351,437 | 2016-11-14 | ||
US15/351,437 US9978621B1 (en) | 2016-11-14 | 2016-11-14 | Selective etch rate monitor |
PCT/US2017/056786 WO2018089175A1 (en) | 2016-11-14 | 2017-10-16 | Selective etch rate monitor |
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JP6849801B2 true JP6849801B2 (ja) | 2021-03-31 |
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US (3) | US9978621B1 (ja) |
EP (1) | EP3539151A4 (ja) |
JP (2) | JP6849801B2 (ja) |
KR (2) | KR102316547B1 (ja) |
CN (2) | CN117198929A (ja) |
SG (1) | SG11201903378XA (ja) |
TW (2) | TWI746694B (ja) |
WO (1) | WO2018089175A1 (ja) |
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US11551905B2 (en) * | 2018-03-19 | 2023-01-10 | Intel Corporation | Resonant process monitor |
CN109802649B (zh) * | 2018-12-29 | 2023-04-11 | 开元通信技术(厦门)有限公司 | 一种监控空气隙型体声波谐振器空腔释放过程的方法 |
KR20210094196A (ko) | 2020-01-20 | 2021-07-29 | 대덕전자 주식회사 | 실시간 금속필름 식각 분석 방법 및 장치 |
CN112885733B (zh) * | 2021-03-12 | 2023-09-05 | 中南大学 | 利用高频无极石英晶体传感器监测刻蚀二氧化硅的系统 |
KR102557583B1 (ko) | 2021-04-21 | 2023-07-21 | (주)위즈바이오솔루션 | 산화막 식각률 모니터링 장치 및 그 모니터링 방법 |
US11864299B2 (en) | 2022-05-10 | 2024-01-02 | Applied Materials, Inc. | System and method for dissipating workpiece charge build up |
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JPS6355535A (ja) | 1986-08-26 | 1988-03-10 | Minolta Camera Co Ltd | 原稿露光装置 |
JPS6355535U (ja) * | 1986-09-29 | 1988-04-14 | ||
JP2737993B2 (ja) * | 1989-03-22 | 1998-04-08 | 日本電気株式会社 | ドライエッチング装置 |
JP2998103B2 (ja) * | 1990-07-18 | 2000-01-11 | アネルバ株式会社 | エッチング終了の検知方法 |
US5282925A (en) | 1992-11-09 | 1994-02-01 | International Business Machines Corporation | Device and method for accurate etching and removal of thin film |
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CN109937471A (zh) | 2019-06-25 |
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US9978621B1 (en) | 2018-05-22 |
JP7170765B2 (ja) | 2022-11-14 |
CN109937471B (zh) | 2023-08-22 |
JP2019536281A (ja) | 2019-12-12 |
SG11201903378XA (en) | 2019-05-30 |
WO2018089175A1 (en) | 2018-05-17 |
EP3539151A4 (en) | 2020-06-03 |
CN117198929A (zh) | 2023-12-08 |
US20200381280A1 (en) | 2020-12-03 |
TW202211323A (zh) | 2022-03-16 |
TWI772206B (zh) | 2022-07-21 |
KR102316547B1 (ko) | 2021-10-22 |
JP2021106272A (ja) | 2021-07-26 |
US20180240692A1 (en) | 2018-08-23 |
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