JP2015504239A - 水蒸気処理を使用して基板から材料層を除去する方法 - Google Patents
水蒸気処理を使用して基板から材料層を除去する方法 Download PDFInfo
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- 239000003039 volatile agent Substances 0.000 description 1
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- 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
- H01L21/67028—Apparatus for fluid treatment for cleaning followed by drying, rinsing, stripping, blasting or the like
- H01L21/6704—Apparatus for fluid treatment for cleaning followed by drying, rinsing, stripping, blasting or the like for wet cleaning or washing
-
- 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
- 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
- C23C16/02—Pretreatment of the material to be coated
- C23C16/0227—Pretreatment of the material to be coated by cleaning or etching
- C23C16/0245—Pretreatment of the material to be coated by cleaning or etching by etching with a plasma
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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
- H01L21/02041—Cleaning
- H01L21/02057—Cleaning during device manufacture
- H01L21/0206—Cleaning during device manufacture during, before or after processing of insulating layers
- H01L21/02063—Cleaning during device manufacture during, before or after processing of insulating layers the processing being the formation of vias or contact holes
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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
- H01L21/31—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
- H01L21/31122—Etching inorganic layers by chemical means by dry-etching of layers not containing Si, e.g. PZT, Al2O3
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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
- H01L21/31—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
- H01L21/31144—Etching the insulating layers by chemical or physical means using masks
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- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
- H01L21/76802—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing by forming openings in dielectrics
- H01L21/76814—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing by forming openings in dielectrics post-treatment or after-treatment, e.g. cleaning or removal of oxides on underlying conductors
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Abstract
Description
Claims (17)
- 基板の表面を洗浄する方法であって、
コンタクト構造体を有する基板を処理チャンバ内に配置することであって、前記基板が、前記基板上に配置され、前記基板上に開口を形成する誘電体層を有する、前記配置すること、
前記基板上に配置された前記誘電体層を、前記チャンバ内に供給された水蒸気にさらし、水蒸気中にプラズマを形成すること、
前記チャンバ内のプロセス圧力を約1トルから約120トルの間に維持すること、および
前記基板上に形成された前記コンタクト構造体を洗浄すること
を含む方法。 - 前記コンタクト構造体を形成するのに使用された前記誘電体層が、ドープされていないシリコンガラス(USG)、ホウ素−ケイ酸塩ガラス(BSG)、リン−ケイ酸塩ガラス(PSG)、ホウ素−リン−ケイ酸塩ガラス(BPSG)およびこれらの混合物からなるグループから選択される、請求項1に記載の方法。
- 前記誘電体層をさらすことが、
約40度未満の濡れ角を有するように前記誘電体層の表面を制御すること
をさらに含む、請求項1に記載の方法。 - 前記誘電体層をさらすことが、
前記誘電体層の表面を親水性表面に変えること
をさらに含む、請求項3に記載の方法。 - 前記誘電体層を前記水蒸気にさらすことが、
前記水蒸気と一緒に、酸素を含むガスまたは水素を含むガスを前記チャンバ内に供給すること
をさらに含む、請求項1に記載の方法。 - 前記誘電体層をさらすことが、
前記水蒸気中に前記プラズマを形成するため、約5ワットから約5000ワットの間のRF電力を加えること
をさらに含む、請求項1に記載の方法。 - 前記誘電体層をさらすことが、
前記水蒸気にさらす前に、前記誘電体層を、炭素−フッ素を含むガスにさらすこと
をさらに含む、請求項1に記載の方法。 - 前記水蒸気が、アルゴン、ヘリウムまたは窒素の存在下で生成される、請求項1に記載の方法。
- 前記誘電体層を前記水蒸気にさらすことが、
前記水蒸気を前記チャンバにパルスモードで供給すること
をさらに含む、請求項1に記載の方法。 - 前記基板上に形成された前記開口が、その下のコンタクト金属またはコンタクト金属ケイ化物層またはコンタクト窒化ケイ素層を露出させる前記誘電体層内の前記開口の中に開口を形成することをさらに含む、請求項1に記載の方法。
- 前記チャンバに供給された前記水蒸気が、前記基板上に配置された、前記コンタクト金属またはコンタクト金属ケイ化物層またはコンタクト窒化ケイ素層、および前記誘電体層を洗浄する、請求項10に記載の方法。
- 基板表面を洗浄する方法であって、
その上に配置された誘電体層を有する基板をチャンバ内に配置すること、
前記誘電体層を、前記チャンバ内に供給された水蒸気にさらし、水蒸気中にプラズマを形成すること、
約40度未満の濡れ角を有するように前記誘電体層の表面を制御すること、および
前記基板から前記誘電体層を洗浄すること
を含む方法。 - 前記誘電体層を前記水蒸気にさらすことが、
前記チャンバ内のプロセス圧力を約1トルから約120トルの間に維持すること
をさらに含む、請求項12に記載の方法。 - 前記誘電体層を前記水蒸気にさらすことが、
前記水蒸気にRF電力を加えること
をさらに含む、請求項12に記載の方法。 - 前記誘電体層を前記水蒸気にさらすことが、
前記水蒸気と一緒に、酸素を含むガスおよび/または水素を含むガスを前記チャンバに流入させることをさらに含み、前記酸素を含むガスが、O2、N2O、CO2、NOおよびNO2からなるグループから選択され、前記水素を含むガスが、H2、H2O2およびNH3からなるグループから選択される、
請求項12に記載の方法。 - 処理チャンバを洗浄する方法であって、
内部に炭素含有残留物が形成された処理チャンバを用意すること、
前記処理チャンバに結合された水蒸気発生装置によって生成された水蒸気を前記処理チャンバ内に供給し、水蒸気中にプラズマを形成すること、および
前記処理チャンバから前記炭素含有残留物を除去すること
を含む方法。 - 前記炭素含有残留物がホウ素炭素層である、請求項16に記載の方法。
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KR102574914B1 (ko) | 2017-06-02 | 2023-09-04 | 어플라이드 머티어리얼스, 인코포레이티드 | 보론 카바이드 하드마스크의 건식 스트리핑 |
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KR20140089383A (ko) | 2014-07-14 |
TW201330085A (zh) | 2013-07-16 |
TWI636501B (zh) | 2018-09-21 |
WO2013070570A1 (en) | 2013-05-16 |
US9653327B2 (en) | 2017-05-16 |
KR102033707B1 (ko) | 2019-10-17 |
JP6158199B2 (ja) | 2017-07-05 |
US20120285481A1 (en) | 2012-11-15 |
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