JP7159180B2 - 原子層エッチングにおける方向性の制御 - Google Patents
原子層エッチングにおける方向性の制御 Download PDFInfo
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- JP7159180B2 JP7159180B2 JP2019545328A JP2019545328A JP7159180B2 JP 7159180 B2 JP7159180 B2 JP 7159180B2 JP 2019545328 A JP2019545328 A JP 2019545328A JP 2019545328 A JP2019545328 A JP 2019545328A JP 7159180 B2 JP7159180 B2 JP 7159180B2
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- plasma
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- fluorine
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- 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
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- H01L21/32133—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only
- H01L21/32135—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by vapour etching only
- H01L21/32138—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by vapour etching only pre- or post-treatments, e.g. anti-corrosion processes
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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
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Description
[形態1]
基板上で原子層エッチング(ALE)を実施するための方法であって、
基板表面上で表面改質動作を実施することであって、前記表面改質動作は、前記基板表面の少なくとも1つの単層を改質層に変質するように構成され、バイアス電圧は、前記表面改質動作中に印加され、前記バイアス電圧は、前記表面改質動作によって変質された前記基板表面の深さを制御するように構成されていることと、
前記基板表面上で除去動作を実施することであって、前記除去動作は、前記改質層の少なくとも一部を前記基板表面から除去するように構成され、前記改質層の前記一部を除去することは、前記改質層の前記一部を揮発するように構成された配位子交換反応によって行われることと、
を含む、方法。
[形態2]
形態1に記載の方法であって、
前記表面改質動作は、イオンを前記バイアス電圧によって制御される前記深さまで前記基板表面に拡散するように構成されている、方法。
[形態3]
形態1に記載の方法であって、
前記バイアス電圧は、前記表面改質動作中に、前記表面改質動作によって変質される前記基板表面の前記深さを実現する大きさおよび期間を有するように構成されている、方法。
[形態4]
形態1に記載の方法であって、
前記深さは、前記基板の1つ以上の単層によって規定される、方法。
[形態5]
形態1に記載の方法であって、
前記バイアス電圧は、前記バイアス電圧の大きさに応じて、前記表面改質動作を主に等方的から主に異方的に転じさせるように構成されている、方法。
[形態6]
形態1に記載の方法であって、
前記バイアス電圧は、前記表面改質動作の一部の期間に印加され、その期間に、前記バイアス電圧は、前記ALEの異方性を増加させる垂直方向の深さ量を増加させるために印加され、一部の期間には、前記バイアス電圧は、前記ALEの等方性を増加させる非垂直方向の深さを増加させるためには印加されない、方法。
[形態7]
形態1に記載の方法であって、さらに、
前記除去動作に続いて、前記基板上でプラズマ処理を実施することであって、前記プラズマ処理は、前記除去動作および/または前記表面改質動作によって発生した残留物を前記基板表面から除去するように構成され、前記残留物は、前記プラズマ処理によって揮発される、方法。
[形態8]
形態7に記載の方法であって、
前記除去動作は、前記改質層の全体未満を前記基板表面から除去するように構成され、
前記方法は、さらに、前記改質層の前記全体が前記基板表面から除去されるまで、前記除去動作および前記プラズマ処理を繰り返すことを含む、方法。
[形態9]
形態8に記載の方法であって、さらに、
既定の厚さが前記基板表面からエッチングされるまで、前記表面改質動作と、前記除去動作と、前記プラズマ処理と、を繰り返すことを含む、方法。
[形態10]
形態1に記載の方法であって、
前記バイアス電圧は、約20Vから100Vの範囲である、方法。
[形態11]
形態1に記載の方法であって、
前記表面改質動作を実施することは、前記基板表面をフッ素含有プラズマに曝露することを含み、前記フッ素含有プラズマへの前記曝露は、前記基板表面の前記少なくとも1つの単層をフッ素種に変換するように構成されている、方法。
[形態12]
形態11に記載の方法であって、
前記基板表面は、金属、金属酸化物、金属窒化物、金属リン化物、金属硫化物、金属砒化物、または金属化合物を含み、
前記フッ素含有プラズマへの前記曝露は、金属フッ化物を形成する、方法。
[形態13]
形態11に記載の方法であって、
前記基板表面を前記フッ素含有プラズマに曝露することは、フッ素含有ガスを前記基板が配置されているチャンバに導入することと、プラズマを点火することとを含む方法。
[形態14]
形態13に記載の方法であって、
前記フッ素含有プラズマへの前記曝露は、約15秒よりも短い期間に、約10mTorrから500mTorrのチャンバ圧で実施される、方法。
[形態15]
形態11に記載の方法であって、
前記除去動作を実施することは、前記基板表面をアセチルアセトナートスズ(II)(Sn(acac) 2 )蒸気に曝露することを含み、前記Sn(acac) 2 蒸気への前記曝露は、前記改質層においてアセチルアセトナート(acac)配位子をフッ素原子と交換するように構成されている、方法。
[形態16]
形態15に記載の方法であって、
前記基板表面を前記Sn(acac) 2 に曝露することは、前記Sn(acac) 2 を蒸気として前記基板が配置されているチャンバに導入することを含む、方法。
[形態17]
形態16に記載の方法であって、
前記Sn(acac) 2 への前記曝露は、約1秒から30秒の期間に実施される、方法。
[形態18]
形態7に記載の方法であって、
前記プラズマ処理を実施することは、前記基板表面を水素プラズマに曝露することを含み、前記水素プラズマへの前記曝露は、前記基板表面上のスズ、フッ化スズ、または酸化スズの残留物を揮発するように構成されている、方法。
[形態19]
形態18に記載の方法であって、
前記基板表面を前記水素プラズマに曝露することは、水素ガスを前記基板が配置されているチャンバに導入することと、プラズマを点火することとを含む、方法。
[形態20]
形態19に記載の方法であって、
前記水素プラズマへの前記曝露は、約1秒から30秒の期間に実施される、方法。
[形態21]
形態1に記載の方法であって、
前記表面改質動作は、第1のチャンバで実施され、
前記除去動作は、第2のチャンバで実施される、方法。
[形態22]
基板上で原子層エッチング(ALE)を実施するための方法であって、
基板表面上で表面改質動作を実施することであって、前記表面改質動作は、前記基板表面の少なくとも1つの単層を改質層に変質する第1のプラズマに前記基板表面を曝露することを含み、バイアス電圧は、前記表面改質動作中に印加され、前記バイアス電圧は、前記表面改質動作によって変質された前記基板表面の深さを制御するように構成され、前記バイアス電圧は、前記基板表面を実質的にエッチングすることなく、イオンを前記第1プラズマから前記基板表面に向かって加速させるように構成されていることと、
前記基板表面上で除去動作を実施することであって、前記除去動作は、前記改質層の少なくとも一部を前記基板表面から除去することを含み、前記改質層の前記一部を除去することは、前記改質層の前記一部を揮発するように構成された配位子交換反応によって行われることと、
前記基板表面上で洗浄動作を実施することであって、前記洗浄動作は、前記除去動作によって発生した残留物を前記基板表面から除去することを含み、前記洗浄動作は、さらに、前記基板表面を第2のプラズマに曝露することを含み、前記残留物は、前記第2のプラズマへの前記曝露によって揮発されることと、
を含む、方法。
Claims (20)
- 基板上で原子層エッチング(ALE)を実施するための方法であって、
基板表面上で表面改質動作を実施することであって、前記表面改質動作は、前記基板表面の少なくとも1つの単層を改質層に変質するように構成され、バイアス電圧は、前記表面改質動作中に印加され、前記バイアス電圧は、前記表面改質動作によって変質された前記基板表面の深さを制御するように構成されていることと、
前記基板表面上で除去動作を実施することであって、前記除去動作は、前記改質層の少なくとも一部を前記基板表面から除去するように構成され、前記改質層の前記一部を除去することは、前記改質層の前記一部を揮発するように構成された配位子交換反応によって行われることと、
を含み、
前記除去動作に続いて、前記基板上でプラズマ処理を実施することであって、前記プラズマ処理は、前記除去動作および/または前記表面改質動作によって発生した残留物を前記基板表面から除去するように構成され、前記残留物は、前記プラズマ処理によって揮発され、
前記除去動作は、前記改質層の全体未満を前記基板表面から除去するように構成され、
前記方法は、さらに、前記改質層の前記全体が前記基板表面から除去されるまで、前記除去動作および前記プラズマ処理を繰り返すことを含む、方法。 - 請求項1に記載の方法であって、
前記表面改質動作は、イオンを前記バイアス電圧によって制御される前記深さまで前記基板表面に拡散するように構成されている、方法。 - 請求項1に記載の方法であって、
前記バイアス電圧は、前記表面改質動作中に、前記表面改質動作によって変質される前記基板表面の前記深さを実現する大きさおよび期間を有するように構成されている、方法。 - 請求項1に記載の方法であって、
前記深さは、前記基板の1つ以上の単層によって規定される、方法。 - 請求項1に記載の方法であって、
前記バイアス電圧は、前記バイアス電圧の大きさに応じて、前記表面改質動作を主に等方的から主に異方的に転じさせるように構成されている、方法。 - 請求項1に記載の方法であって、
前記バイアス電圧は、前記表面改質動作の一部の期間に印加され、その期間に、前記バイアス電圧は、前記ALEの異方性を増加させる垂直方向の深さ量を増加させるために印加され、一部の期間には、前記バイアス電圧は、前記ALEの等方性を増加させる非垂直方向の深さを増加させるためには印加されない、方法。 - 請求項1に記載の方法であって、さらに、
既定の厚さが前記基板表面からエッチングされるまで、前記表面改質動作と、前記除去動作と、前記プラズマ処理と、を繰り返すことを含む、方法。 - 請求項1に記載の方法であって、
前記バイアス電圧は、約20Vから100Vの範囲である、方法。 - 請求項1に記載の方法であって、
前記表面改質動作を実施することは、前記基板表面をフッ素含有プラズマに曝露することを含み、前記フッ素含有プラズマへの前記曝露は、前記基板表面の前記少なくとも1つの単層をフッ素種に変換するように構成されている、方法。 - 請求項9に記載の方法であって、
前記基板表面は、金属、金属酸化物、金属窒化物、金属リン化物、金属硫化物、金属砒化物、または金属化合物を含み、
前記フッ素含有プラズマへの前記曝露は、金属フッ化物を形成する、方法。 - 請求項9に記載の方法であって、
前記基板表面を前記フッ素含有プラズマに曝露することは、フッ素含有ガスを前記基板が配置されているチャンバに導入することと、プラズマを点火することとを含む方法。 - 請求項11に記載の方法であって、
前記フッ素含有プラズマへの前記曝露は、約15秒よりも短い期間に、約10mTorrから500mTorrのチャンバ圧で実施される、方法。 - 請求項9に記載の方法であって、
前記除去動作を実施することは、前記基板表面をアセチルアセトナートスズ(II)(Sn(acac)2)蒸気に曝露することを含み、前記Sn(acac)2蒸気への前記曝露は、前記改質層においてアセチルアセトナート(acac)配位子をフッ素原子と交換するように構成されている、方法。 - 請求項13に記載の方法であって、
前記基板表面を前記Sn(acac)2に曝露することは、前記Sn(acac)2を蒸気として前記基板が配置されているチャンバに導入することを含む、方法。 - 請求項14に記載の方法であって、
前記Sn(acac)2への前記曝露は、約1秒から30秒の期間に実施される、方法。 - 請求項7に記載の方法であって、
前記プラズマ処理を実施することは、前記基板表面を水素プラズマに曝露することを含み、前記水素プラズマへの前記曝露は、前記基板表面上のスズ、フッ化スズ、または酸化スズの残留物を揮発するように構成されている、方法。 - 請求項16に記載の方法であって、
前記基板表面を前記水素プラズマに曝露することは、水素ガスを前記基板が配置されているチャンバに導入することと、プラズマを点火することとを含む、方法。 - 請求項17に記載の方法であって、
前記水素プラズマへの前記曝露は、約1秒から30秒の期間に実施される、方法。 - 請求項1に記載の方法であって、
前記表面改質動作は、第1のチャンバで実施され、
前記除去動作は、第2のチャンバで実施される、方法。 - 基板上で原子層エッチング(ALE)を実施するための方法であって、
基板表面上で表面改質動作を実施することであって、前記表面改質動作は、前記基板表面の少なくとも1つの単層を改質層に変質する第1のプラズマに前記基板表面を曝露することを含み、バイアス電圧は、前記表面改質動作中に印加され、前記バイアス電圧は、前記表面改質動作によって変質された前記基板表面の深さを制御するように構成され、前記バイアス電圧は、前記基板表面を実質的にエッチングすることなく、イオンを前記第1のプラズマから前記基板表面に向かって加速させるように構成されていることと、
前記基板表面上で除去動作を実施することであって、前記除去動作は、前記改質層の少なくとも一部を前記基板表面から除去することを含み、前記改質層の前記一部を除去することは、前記改質層の前記一部を揮発するように構成された配位子交換反応によって行われることと、
前記基板表面上で洗浄動作を実施することであって、前記洗浄動作は、前記除去動作によって発生した残留物を前記基板表面から除去することを含み、前記洗浄動作は、さらに、前記基板表面を第2のプラズマに曝露することを含み、前記残留物は、前記第2のプラズマへの前記曝露によって揮発されることと、
を含み、
前記除去動作は、前記改質層の全体未満を前記基板表面から除去するように構成され、
前記方法は、さらに、前記改質層の前記全体が前記基板表面から除去されるまで、前記除去動作および前記基板表面を第2のプラズマに曝露することを繰り返すことを含む、方法。
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US20190385828A1 (en) * | 2018-06-19 | 2019-12-19 | Lam Research Corporation | Temperature control systems and methods for removing metal oxide films |
US10847375B2 (en) * | 2018-06-26 | 2020-11-24 | Lam Research Corporation | Selective atomic layer etching |
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WO2020106649A1 (en) | 2018-11-19 | 2020-05-28 | Lam Research Corporation | Molybdenum templates for tungsten |
KR20210105439A (ko) | 2019-01-15 | 2021-08-26 | 램 리써치 코포레이션 | 금속-프리 리간드들을 사용하는 금속 원자 층 에칭 및 증착 장치들과 프로세스들 |
WO2020159882A1 (en) | 2019-01-28 | 2020-08-06 | Lam Research Corporation | Deposition of metal films |
KR20210141762A (ko) | 2019-04-11 | 2021-11-23 | 램 리써치 코포레이션 | 고 단차 커버리지 (step coverage) 텅스텐 증착 |
KR20240031441A (ko) | 2019-06-27 | 2024-03-07 | 램 리써치 코포레이션 | 교번하는 에칭 및 패시베이션 프로세스 |
JP2022544931A (ja) | 2019-08-12 | 2022-10-24 | ラム リサーチ コーポレーション | タングステン堆積 |
TWI712122B (zh) * | 2019-12-10 | 2020-12-01 | 樂盟科技有限公司 | 晶圓表面處理裝置及晶圓表面處理方法 |
KR20210079649A (ko) * | 2019-12-20 | 2021-06-30 | 주식회사 원익아이피에스 | 원자층 식각 방법 |
KR102428642B1 (ko) * | 2020-06-01 | 2022-08-02 | 인하대학교 산학협력단 | 구리 박막의 건식 식각방법 |
US11282711B2 (en) * | 2020-07-31 | 2022-03-22 | Taiwan Semiconductor Manufacturing Co., Ltd. | Plasma-assisted etching of metal oxides |
US11915941B2 (en) * | 2021-02-11 | 2024-02-27 | Tokyo Electron Limited | Dynamically adjusted purge timing in wet atomic layer etching |
WO2023282191A1 (ja) * | 2021-07-05 | 2023-01-12 | 東京エレクトロン株式会社 | 基板処理方法及び基板処理装置 |
TW202313212A (zh) * | 2021-07-05 | 2023-04-01 | 日商東京威力科創股份有限公司 | 腔室或零件之清潔方法及基板處理裝置 |
US20230015080A1 (en) * | 2021-07-15 | 2023-01-19 | Applied Materials, Inc. | Metal oxide directional removal |
KR20240115323A (ko) * | 2021-12-08 | 2024-07-25 | 램 리써치 코포레이션 | 열적 원자 층 에칭을 통한 고 종횡비 홀들에서 에칭 프로파일들의 제어 |
WO2023196437A1 (en) * | 2022-04-06 | 2023-10-12 | Lam Research Corporation | Deposition of metal-containing films and chamber clean |
KR20240006268A (ko) * | 2022-07-06 | 2024-01-15 | 에스케이스페셜티 주식회사 | 금속 산화막의 원자층 식각 방법 |
WO2024211411A1 (en) * | 2023-04-06 | 2024-10-10 | Lam Research Corporation | Performing atomic layer etching using a silane-based chemistry |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003517192A (ja) | 1999-02-17 | 2003-05-20 | アプライド マテリアルズ インコーポレイテッド | 誘電体の腐食防止方法 |
US20150270140A1 (en) | 2014-06-09 | 2015-09-24 | American Air Liquide, Inc. | Atomic layer or cyclic plasma etching chemistries and processes |
JP2017022368A (ja) | 2015-06-05 | 2017-01-26 | ラム リサーチ コーポレーションLam Research Corporation | GaN及びその他のIII−V材料の原子層エッチング |
US20170053810A1 (en) | 2015-08-19 | 2017-02-23 | Lam Research Corporation | Atomic layer etching of tungsten and other metals |
Family Cites Families (96)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH061769B2 (ja) | 1983-08-10 | 1994-01-05 | 株式会社日立製作所 | アルミナ膜のパターニング方法 |
US4756794A (en) | 1987-08-31 | 1988-07-12 | The United States Of America As Represented By The Secretary Of The Navy | Atomic layer etching |
JPH06151382A (ja) | 1992-11-11 | 1994-05-31 | Toshiba Corp | ドライエッチング方法 |
DE4241045C1 (de) | 1992-12-05 | 1994-05-26 | Bosch Gmbh Robert | Verfahren zum anisotropen Ätzen von Silicium |
US6022806A (en) | 1994-03-15 | 2000-02-08 | Kabushiki Kaisha Toshiba | Method of forming a film in recess by vapor phase growth |
DE19681602T1 (de) | 1995-10-19 | 1998-11-26 | Massachusetts Inst Technology | Verfahren zum Entfernen von Metall |
EP1048064A1 (en) | 1998-01-13 | 2000-11-02 | Applied Materials, Inc. | Etching methods for anisotropic platinum profile |
US6177353B1 (en) | 1998-09-15 | 2001-01-23 | Infineon Technologies North America Corp. | Metallization etching techniques for reducing post-etch corrosion of metal lines |
US8696875B2 (en) | 1999-10-08 | 2014-04-15 | Applied Materials, Inc. | Self-ionized and inductively-coupled plasma for sputtering and resputtering |
US6458694B2 (en) | 2000-01-24 | 2002-10-01 | Ebara Corporation | High energy sputtering method for forming interconnects |
JP3662472B2 (ja) | 2000-05-09 | 2005-06-22 | エム・エフエスアイ株式会社 | 基板表面の処理方法 |
US6527855B2 (en) | 2000-10-10 | 2003-03-04 | Rensselaer Polytechnic Institute | Atomic layer deposition of cobalt from cobalt metallorganic compounds |
US20020058409A1 (en) | 2000-11-16 | 2002-05-16 | Ching-Te Lin | Elimination of overhang in liner/barrier/seed layers using post-deposition sputter etch |
US6448192B1 (en) | 2001-04-16 | 2002-09-10 | Motorola, Inc. | Method for forming a high dielectric constant material |
US6755945B2 (en) | 2001-05-04 | 2004-06-29 | Tokyo Electron Limited | Ionized PVD with sequential deposition and etching |
US8110489B2 (en) | 2001-07-25 | 2012-02-07 | Applied Materials, Inc. | Process for forming cobalt-containing materials |
US7049226B2 (en) | 2001-09-26 | 2006-05-23 | Applied Materials, Inc. | Integration of ALD tantalum nitride for copper metallization |
WO2003098662A2 (en) | 2002-05-14 | 2003-11-27 | Tokyo Electron Limited | PLASMA ETCHING OF Cu-CONTAINING LAYERS |
US6884730B2 (en) | 2002-07-02 | 2005-04-26 | Headway Technologies, Inc. | Method of etching a film of magnetic material and method of manufacturing a thin-film magnetic head |
US6933239B2 (en) | 2003-01-13 | 2005-08-23 | Applied Materials, Inc. | Method for removing conductive residue |
US6841484B2 (en) | 2003-04-17 | 2005-01-11 | Chentsau Ying | Method of fabricating a magneto-resistive random access memory (MRAM) device |
JP2004332045A (ja) | 2003-05-07 | 2004-11-25 | Renesas Technology Corp | 多層膜材料のドライエッチング方法 |
US7371688B2 (en) | 2003-09-30 | 2008-05-13 | Air Products And Chemicals, Inc. | Removal of transition metal ternary and/or quaternary barrier materials from a substrate |
US7341946B2 (en) | 2003-11-10 | 2008-03-11 | Novellus Systems, Inc. | Methods for the electrochemical deposition of copper onto a barrier layer of a work piece |
US7115522B2 (en) | 2004-07-09 | 2006-10-03 | Kabushiki Kaisha Toshiba | Method for manufacturing semiconductor device |
US7196955B2 (en) | 2005-01-12 | 2007-03-27 | Hewlett-Packard Development Company, L.P. | Hardmasks for providing thermally assisted switching of magnetic memory elements |
US7235492B2 (en) | 2005-01-31 | 2007-06-26 | Applied Materials, Inc. | Low temperature etchant for treatment of silicon-containing surfaces |
JP4860219B2 (ja) | 2005-02-14 | 2012-01-25 | 東京エレクトロン株式会社 | 基板の処理方法、電子デバイスの製造方法及びプログラム |
US7214626B2 (en) | 2005-08-24 | 2007-05-08 | United Microelectronics Corp. | Etching process for decreasing mask defect |
US20070238301A1 (en) | 2006-03-28 | 2007-10-11 | Cabral Stephen H | Batch processing system and method for performing chemical oxide removal |
US7795148B2 (en) | 2006-03-28 | 2010-09-14 | Tokyo Electron Limited | Method for removing damaged dielectric material |
US7368393B2 (en) | 2006-04-20 | 2008-05-06 | International Business Machines Corporation | Chemical oxide removal of plasma damaged SiCOH low k dielectrics |
US7416989B1 (en) * | 2006-06-30 | 2008-08-26 | Novellus Systems, Inc. | Adsorption based material removal process |
US9245739B2 (en) * | 2006-11-01 | 2016-01-26 | Lam Research Corporation | Low-K oxide deposition by hydrolysis and condensation |
EP2011898B1 (en) * | 2007-07-03 | 2021-04-07 | Beneq Oy | Method in depositing metal oxide materials |
KR101330707B1 (ko) | 2007-07-19 | 2013-11-19 | 삼성전자주식회사 | 반도체 장치의 형성 방법 |
US8481423B2 (en) | 2007-09-19 | 2013-07-09 | International Business Machines Corporation | Methods to mitigate plasma damage in organosilicate dielectrics |
US8247030B2 (en) | 2008-03-07 | 2012-08-21 | Tokyo Electron Limited | Void-free copper filling of recessed features using a smooth non-agglomerated copper seed layer |
US7948044B2 (en) | 2008-04-09 | 2011-05-24 | Magic Technologies, Inc. | Low switching current MTJ element for ultra-high STT-RAM and a method for making the same |
US8252194B2 (en) | 2008-05-02 | 2012-08-28 | Micron Technology, Inc. | Methods of removing silicon oxide |
US7943527B2 (en) | 2008-05-30 | 2011-05-17 | The Board Of Trustees Of The University Of Illinois | Surface preparation for thin film growth by enhanced nucleation |
US8058179B1 (en) * | 2008-12-23 | 2011-11-15 | Novellus Systems, Inc. | Atomic layer removal process with higher etch amount |
US9034768B2 (en) | 2010-07-09 | 2015-05-19 | Novellus Systems, Inc. | Depositing tungsten into high aspect ratio features |
US8124531B2 (en) | 2009-08-04 | 2012-02-28 | Novellus Systems, Inc. | Depositing tungsten into high aspect ratio features |
US20110139748A1 (en) | 2009-12-15 | 2011-06-16 | University Of Houston | Atomic layer etching with pulsed plasmas |
US8227344B2 (en) | 2010-02-26 | 2012-07-24 | Tokyo Electron Limited | Hybrid in-situ dry cleaning of oxidized surface layers |
US9373500B2 (en) | 2014-02-21 | 2016-06-21 | Lam Research Corporation | Plasma assisted atomic layer deposition titanium oxide for conformal encapsulation and gapfill applications |
JP5416280B2 (ja) | 2010-08-19 | 2014-02-12 | 株式会社アルバック | ドライエッチング方法及び半導体装置の製造方法 |
US8546263B2 (en) | 2011-04-27 | 2013-10-01 | Applied Materials, Inc. | Method of patterning of magnetic tunnel junctions |
US9666414B2 (en) | 2011-10-27 | 2017-05-30 | Applied Materials, Inc. | Process chamber for etching low k and other dielectric films |
US8808561B2 (en) | 2011-11-15 | 2014-08-19 | Lam Research Coporation | Inert-dominant pulsing in plasma processing systems |
US20130129922A1 (en) | 2011-11-21 | 2013-05-23 | Qualcomm Mems Technologies, Inc. | Batch processing for electromechanical systems and equipment for same |
US8633115B2 (en) | 2011-11-30 | 2014-01-21 | Applied Materials, Inc. | Methods for atomic layer etching |
US8883028B2 (en) | 2011-12-28 | 2014-11-11 | Lam Research Corporation | Mixed mode pulsing etching in plasma processing systems |
JP2014049466A (ja) | 2012-08-29 | 2014-03-17 | Tokyo Electron Ltd | エッチング処理方法及び基板処理装置 |
US9177780B2 (en) | 2012-10-02 | 2015-11-03 | Applied Materials, Inc. | Directional SiO2 etch using plasma pre-treatment and high-temperature etchant deposition |
JP6035117B2 (ja) | 2012-11-09 | 2016-11-30 | 東京エレクトロン株式会社 | プラズマエッチング方法及びプラズマエッチング装置 |
JP5918108B2 (ja) | 2012-11-16 | 2016-05-18 | 東京エレクトロン株式会社 | プラズマ処理方法及びプラズマ処理装置 |
FR3000600B1 (fr) * | 2012-12-28 | 2018-04-20 | Commissariat Energie Atomique | Procede microelectronique de gravure d'une couche |
TWI625424B (zh) * | 2013-03-13 | 2018-06-01 | 應用材料股份有限公司 | 蝕刻包含過渡金屬的膜之方法 |
US20140349469A1 (en) | 2013-05-22 | 2014-11-27 | Qualcomm Mems Technologies, Inc. | Processing for electromechanical systems and equipment for same |
US9362163B2 (en) * | 2013-07-30 | 2016-06-07 | Lam Research Corporation | Methods and apparatuses for atomic layer cleaning of contacts and vias |
US20150111374A1 (en) | 2013-10-18 | 2015-04-23 | International Business Machines Corporation | Surface treatment in a dep-etch-dep process |
FR3017241B1 (fr) * | 2014-01-31 | 2017-08-25 | Commissariat Energie Atomique | Procede de gravure plasma |
US9214334B2 (en) | 2014-02-18 | 2015-12-15 | Lam Research Corporation | High growth rate process for conformal aluminum nitride |
US9257638B2 (en) | 2014-03-27 | 2016-02-09 | Lam Research Corporation | Method to etch non-volatile metal materials |
FR3023971B1 (fr) | 2014-07-18 | 2016-08-05 | Commissariat Energie Atomique | Procede de formation des espaceurs d'une grille d'un transistor |
US9349637B2 (en) | 2014-08-21 | 2016-05-24 | Lam Research Corporation | Method for void-free cobalt gap fill |
US9362131B2 (en) | 2014-08-29 | 2016-06-07 | Applied Materials, Inc. | Fast atomic layer etch process using an electron beam |
US9627608B2 (en) | 2014-09-11 | 2017-04-18 | Lam Research Corporation | Dielectric repair for emerging memory devices |
US9240315B1 (en) | 2014-10-10 | 2016-01-19 | Applied Materials, Inc. | CVD oxide surface pre-conditioning by inductively coupled O2 plasma |
WO2016100873A1 (en) | 2014-12-18 | 2016-06-23 | The Regents Of The University Of Colorado, A Body Corporate | Novel methods of atomic layer etching (ale) using sequential, self-limiting thermal reactions |
US9633867B2 (en) * | 2015-01-05 | 2017-04-25 | Lam Research Corporation | Method and apparatus for anisotropic tungsten etching |
US9431268B2 (en) * | 2015-01-05 | 2016-08-30 | Lam Research Corporation | Isotropic atomic layer etch for silicon and germanium oxides |
US9425041B2 (en) * | 2015-01-06 | 2016-08-23 | Lam Research Corporation | Isotropic atomic layer etch for silicon oxides using no activation |
US9576811B2 (en) | 2015-01-12 | 2017-02-21 | Lam Research Corporation | Integrating atomic scale processes: ALD (atomic layer deposition) and ALE (atomic layer etch) |
US9806252B2 (en) | 2015-04-20 | 2017-10-31 | Lam Research Corporation | Dry plasma etch method to pattern MRAM stack |
US9870899B2 (en) | 2015-04-24 | 2018-01-16 | Lam Research Corporation | Cobalt etch back |
US9892935B2 (en) | 2015-05-28 | 2018-02-13 | International Business Machines Corporation | Limiting electronic package warpage with semiconductor chip lid and lid-ring |
US9449843B1 (en) | 2015-06-09 | 2016-09-20 | Applied Materials, Inc. | Selectively etching metals and metal nitrides conformally |
US9922839B2 (en) | 2015-06-23 | 2018-03-20 | Lam Research Corporation | Low roughness EUV lithography |
US9972504B2 (en) * | 2015-08-07 | 2018-05-15 | Lam Research Corporation | Atomic layer etching of tungsten for enhanced tungsten deposition fill |
US9620376B2 (en) | 2015-08-19 | 2017-04-11 | Lam Research Corporation | Self limiting lateral atomic layer etch |
US9984858B2 (en) | 2015-09-04 | 2018-05-29 | Lam Research Corporation | ALE smoothness: in and outside semiconductor industry |
KR20170050056A (ko) | 2015-10-29 | 2017-05-11 | 삼성전자주식회사 | 반도체 소자의 패턴 형성 방법 |
US9735024B2 (en) * | 2015-12-28 | 2017-08-15 | Asm Ip Holding B.V. | Method of atomic layer etching using functional group-containing fluorocarbon |
US10727073B2 (en) * | 2016-02-04 | 2020-07-28 | Lam Research Corporation | Atomic layer etching 3D structures: Si and SiGe and Ge smoothness on horizontal and vertical surfaces |
US10229837B2 (en) | 2016-02-04 | 2019-03-12 | Lam Research Corporation | Control of directionality in atomic layer etching |
US9991128B2 (en) | 2016-02-05 | 2018-06-05 | Lam Research Corporation | Atomic layer etching in continuous plasma |
US10256108B2 (en) | 2016-03-01 | 2019-04-09 | Lam Research Corporation | Atomic layer etching of AL2O3 using a combination of plasma and vapor treatments |
US10269566B2 (en) | 2016-04-29 | 2019-04-23 | Lam Research Corporation | Etching substrates using ale and selective deposition |
US9837312B1 (en) | 2016-07-22 | 2017-12-05 | Lam Research Corporation | Atomic layer etching for enhanced bottom-up feature fill |
US10692724B2 (en) * | 2016-12-23 | 2020-06-23 | Lam Research Corporation | Atomic layer etching methods and apparatus |
US10559461B2 (en) | 2017-04-19 | 2020-02-11 | Lam Research Corporation | Selective deposition with atomic layer etch reset |
US10832909B2 (en) | 2017-04-24 | 2020-11-10 | Lam Research Corporation | Atomic layer etch, reactive precursors and energetic sources for patterning applications |
US9997371B1 (en) | 2017-04-24 | 2018-06-12 | Lam Research Corporation | Atomic layer etch methods and hardware for patterning applications |
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003517192A (ja) | 1999-02-17 | 2003-05-20 | アプライド マテリアルズ インコーポレイテッド | 誘電体の腐食防止方法 |
US20150270140A1 (en) | 2014-06-09 | 2015-09-24 | American Air Liquide, Inc. | Atomic layer or cyclic plasma etching chemistries and processes |
JP2017022368A (ja) | 2015-06-05 | 2017-01-26 | ラム リサーチ コーポレーションLam Research Corporation | GaN及びその他のIII−V材料の原子層エッチング |
US20170053810A1 (en) | 2015-08-19 | 2017-02-23 | Lam Research Corporation | Atomic layer etching of tungsten and other metals |
JP2017063186A (ja) | 2015-08-19 | 2017-03-30 | ラム リサーチ コーポレーションLam Research Corporation | タングステンおよび他の金属の原子層エッチング |
Non-Patent Citations (1)
Title |
---|
Younghee Lee et al.,Selectivity in Thermal Atomic Layer Etching Using Sequential, Self-Limiting Fluorination and Ligand-Exchange Reactions,Chemistry of Materials,米国,American Chemical Society,2016年,vol. 28,p. 7657-7665 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2022185118A (ja) * | 2017-02-27 | 2022-12-13 | ラム リサーチ コーポレーション | 原子層エッチングにおける方向性の制御 |
JP7423723B2 (ja) | 2017-02-27 | 2024-01-29 | ラム リサーチ コーポレーション | 原子層エッチングにおける方向性の制御 |
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US10559475B2 (en) | 2020-02-11 |
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