JP5383501B2 - 低エネルギーの高用量ヒ素、リン、ホウ素注入ウエハの安全な取り扱い - Google Patents
低エネルギーの高用量ヒ素、リン、ホウ素注入ウエハの安全な取り扱い Download PDFInfo
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- JP5383501B2 JP5383501B2 JP2009541642A JP2009541642A JP5383501B2 JP 5383501 B2 JP5383501 B2 JP 5383501B2 JP 2009541642 A JP2009541642 A JP 2009541642A JP 2009541642 A JP2009541642 A JP 2009541642A JP 5383501 B2 JP5383501 B2 JP 5383501B2
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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
- H01L21/26—Bombardment with radiation
- H01L21/263—Bombardment with radiation with high-energy radiation
- H01L21/265—Bombardment with radiation with high-energy radiation producing ion implantation
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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
- H01L21/3003—Hydrogenation or deuterisation, e.g. using atomic hydrogen from a plasma
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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
- H01J37/32009—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
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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
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
- H01L21/02164—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material being a silicon oxide, e.g. SiO2
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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
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
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- H01L21/02211—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition the precursor containing a compound comprising Si the compound being a silane, e.g. disilane, methylsilane or chlorosilane
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- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/02227—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process
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- H01L21/22—Diffusion of impurity materials, e.g. doping materials, electrode materials, into or out of a semiconductor body, or between semiconductor regions; Interactions between two or more impurities; Redistribution of impurities
- H01L21/223—Diffusion of impurity materials, e.g. doping materials, electrode materials, into or out of a semiconductor body, or between semiconductor regions; Interactions between two or more impurities; Redistribution of impurities using diffusion into or out of a solid from or into a gaseous phase
- H01L21/2236—Diffusion of impurity materials, e.g. doping materials, electrode materials, into or out of a semiconductor body, or between semiconductor regions; Interactions between two or more impurities; Redistribution of impurities using diffusion into or out of a solid from or into a gaseous phase from or into a plasma phase
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- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
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- H01L21/314—Inorganic layers
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Description
[0001]本発明の実施形態は、一般的には、半導体製造プロセスの分野に関し、より具体的には、ヒ素、リン、又はホウ素で注入された基板の取り扱いをより安全にする方法に関する。
[0002]集積回路は、基板(例えば、半導体ウエハ)上に形成される百万を超えるマイクロ電界効果型トランジスタ(例えば、相補型金属酸化半導体(CMOS)電界効果型トランジスタ)を含み、回路内で様々な機能を行うように協調することができるものである。CMOSトランジスタは、基板内に形成されるソース領域とドレイン領域の間に配置されるゲート構造を備えている。ゲート構造は、一般に、ゲート電極とゲート誘電体層を備えている。ゲート電極は、ゲート誘電体層の下のドレイン領域とソース領域の間に形成されるチャンネル領域において荷電キャリアの流れを制御するようにゲート誘電体層の上に配置される。
(I) R2NSi(R'2)Si(R'2)NR2(アミノジシラン)、
(II) R3SiN3(シリルアジド)、又は
(III)R'3SiNRNR2(シリルヒドラジン)
[0038]上記化学式において、RとR’はハロゲン、一つ以上の二重結合を有する有機基、一つ以上の三重結合を有する有機基、脂肪族アルキル基、環状アルキル基、芳香族基、有機シリル基、アルキルアミノ基、又はN或いはSiを含有する環状基、又はこれらの組み合わせの群より独立して選ばれる一つ以上の官能基であってもよい。特定の官能基には、、クロロ(-Cl)、メチル(-CH3)、エチル(-CH2CH3)、イソプロピル(-CH(CH3)2)、tertブチル(-C(CH3)3)、トリメチルシリル(-Si(CH3)3)、ピロリジン、又はこれらの組み合わせが含まれる。
Claims (11)
- 基板処理方法であって、
処理チャンバ内に配置される膜にドーパントを注入するステップと、
注入された該膜を酸素含有プラズマにさらして、注入された該膜上に酸化物層を形成すると共に注入された該膜を大気中の酸素にさらす前に該膜中に該ドーパントをトラップするステップと、
注入された該膜を該酸素含有プラズマと別に水素含有プラズマにさらすステップと、
を含む、方法。 - 該ドーパントが、ヒ素、リン、ホウ素、及びこれらの組み合わせからなる群より選ばれる、請求項1に記載の方法。
- 該酸素含有プラズマが、酸素ガスから生成される、請求項2に記載の方法。
- 注入する該ステップとさらす該ステップが、同一処理チャンバ内で行われる、請求項3に記載の方法。
- 該プラズマが、容量結合ソースによって生成され、該プラズマが該容量結合ソースに加えて誘導結合プラズマソースによって生成される、請求項4に記載の方法。
- 該プラズマが、誘導結合ソースによって生成される、請求項4記載の方法。
- 注入された該膜を水素含有プラズマにさらす該ステップが、注入する該ステップ後と酸素含有プラズマにさらす該ステップ前に行われ、水素含有プラズマにさらす該ステップと酸素含有プラズマにさらす該ステップが、複数回行われる、請求項1に記載の方法。
- 注入された該膜を水素含有プラズマにさらす該ステップが、注入する該ステップ後と酸素含有プラズマにさらす該ステップ後に行われ、水素含有プラズマにさらす該ステップと酸素含有プラズマにさらす該ステップが、複数回行われる、請求項1に記載の方法。
- 該酸化物層の上にキャッピング層を堆積させるステップであって、該キャッピング層が、炭素層、シリコン層、酸化シリコン層、窒化シリコン層、炭化シリコン層、有機層、及びこれらの組み合わせからなる群より選ばれる、前記ステップを更に含み、注入する該ステップ後であってさらす該ステップの前に該膜をエッチングするステップであって、余分なドーパントを除去し、注入された該層をNF3から形成されるプラズマにさらす工程を含む、前記ステップを更に含む、請求項1に記載の方法。
- 基板処理方法であって、
処理チャンバ内の基板上に配置される膜にドーパントを注入するステップと、
注入された該膜が大気中の酸素にさらされる前に該ドーパントの注入された膜の上にキャッピング層を堆積させるステップであって、該キャッピング層が、炭素層、シリコン層、酸化シリコン層、窒化シリコン層、炭化シリコン層、有機層、及びこれらの組み合わせからなる群より選ばれる、前記ステップと、
注入する該ステップ後であって堆積させる該ステップ前に該膜をエッチングするステップであって、余分なドーパントを除去し、注入された該層をNF3から形成されるプラズマにさらす工程を含む、前記ステップと、
を含む、方法。 - 注入する該ステップと堆積させる該ステップが、同一処理チャンバ内で行われる、請求項10に記載の方法。
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PCT/US2007/087894 WO2008077020A2 (en) | 2006-12-18 | 2007-12-18 | Safe handling of low energy, high dose arsenic, phosphorus, and boron implanted wafers |
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JP2013534712A (ja) * | 2010-06-23 | 2013-09-05 | 東京エレクトロン株式会社 | プラズマドーピング装置、プラズマドーピング方法、半導体素子の製造方法、および半導体素子 |
US8501605B2 (en) * | 2011-03-14 | 2013-08-06 | Applied Materials, Inc. | Methods and apparatus for conformal doping |
US20120289036A1 (en) * | 2011-05-11 | 2012-11-15 | Applied Materials, Inc. | Surface dose retention of dopants by pre-amorphization and post implant passivation treatments |
US20150132929A1 (en) * | 2012-05-01 | 2015-05-14 | Tokyo Electron Limited | Method for injecting dopant into substrate to be processed, and plasma doping apparatus |
KR102065329B1 (ko) | 2014-05-30 | 2020-01-13 | 다우 실리콘즈 코포레이션 | 다이아이소프로필아미노-다이실란의 합성 공정 |
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WO2018052471A1 (en) | 2016-09-14 | 2018-03-22 | Applied Materials, Inc. | A degassing chamber for arsenic related processes |
US11501972B2 (en) | 2020-07-22 | 2022-11-15 | Applied Materials, Inc. | Sacrificial capping layer for passivation using plasma-based implant process |
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2007
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WO2008077020A3 (en) | 2008-08-28 |
US20100173484A1 (en) | 2010-07-08 |
WO2008077020A2 (en) | 2008-06-26 |
US20080153271A1 (en) | 2008-06-26 |
JP2010514166A (ja) | 2010-04-30 |
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KR20090100421A (ko) | 2009-09-23 |
KR101369993B1 (ko) | 2014-03-06 |
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