JP2016511504A - 炭素イオン注入のためのドーパント組成物の貯蔵及び準大気圧送達 - Google Patents
炭素イオン注入のためのドーパント組成物の貯蔵及び準大気圧送達 Download PDFInfo
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- JP2016511504A JP2016511504A JP2015549788A JP2015549788A JP2016511504A JP 2016511504 A JP2016511504 A JP 2016511504A JP 2015549788 A JP2015549788 A JP 2015549788A JP 2015549788 A JP2015549788 A JP 2015549788A JP 2016511504 A JP2016511504 A JP 2016511504A
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- 229910052754 neon Inorganic materials 0.000 claims description 3
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 claims description 3
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Classifications
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B23/00—Noble gases; Compounds thereof
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- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
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- 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/34—Sputtering
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- F17C1/005—Storage of gas or gaseous mixture at high pressure and at high density condition, e.g. in the single state phase
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- H—ELECTRICITY
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- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F17C2205/035—Flow reducers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0382—Constructional details of valves, regulators
- F17C2205/0385—Constructional details of valves, regulators in blocks or units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F17C2205/0391—Arrangement of valves, regulators, filters inside the pressure vessel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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Abstract
Description
希釈ガス混合物と所定の濃度で予混合された1種又は複数の炭素含有ドーパント源ガスであって、前記1種又は複数の炭素含有源が少なくともCOを含み、前記希釈ガス混合物が不活性ガス及び水素含有ガスを含む、1種又は複数の炭素含有ドーパント源ガスと;
準大気圧送達及び貯蔵デバイスであって、その内部容積内に加圧状態でドーパント・ガス混合物を維持する準大気圧送達及び貯蔵デバイスと
を有し、
前記送達デバイスが排出流路と流体連通し、また前記送達デバイスが、排出流路に沿って達成される準大気圧条件に応答して、デバイスの内部容積からのドーパント組成物の制御された流れを可能にするように作動する
単一供給源が提供される。
1種又は複数の炭素含有ドーパント・ガスを提供するステップと;
不活性ガス及び水素含有ガスを含む希釈ガス組成物を提供するステップと;
所定の真空条件に応答して、1種又は複数の炭素含有ドーパント・ガスの制御された流れを作動させるステップと;
所定の真空条件に応答して、希釈ガス組成物の制御された流れを作動させるステップと;
1種又は複数の炭素含有ドーパント・ガスをイオン源チャンバに導入するステップと;
希釈ガス組成物をイオン源チャンバに導入するステップと;
1種又は複数の炭素含有ドーパント・ガス源をイオン化して、炭素イオンを生成するステップと;
炭素イオンを基板に注入するステップと
を含み、
1種又は複数の炭素含有ドーパント・ガス源が希釈ガス組成物と相互作用することにより、純粋なCOに比べて炭素イオン・ビーム電流の実質的な低減をもたらすことなく炭素イオン源に沿った堆積物を低減させる
イオン注入用のドーパント・ガス組成物を送達するための方法が提供される。
一酸化炭素を含む炭素系材料と;
キセノン(Xe)及び水素を含む不活性希釈ガス混合物であって、Xe及び水素が有効量で含有されており、この有効量は、Xe:H2の体積比が約0.02から約0.20である、不活性希釈ガス混合物と;
を含み、
(Xe+H2):COが、約0.10から約0.30に及ぶ体積比で含有される、ガス組成物が提供される。
実験を、COのみのドーパント・ガス組成物(表1に列挙される、ガス混合物1)を使用しながら、イオン源の性能を評価するために、特にCOのイオン化から得られたC+ビーム電流を評価するために、実行した。利用されたイオン源は、熱陰極スタイルのデザインであり、これは螺旋状フィラメントと、このフィラメントの軸に直交して配置された陽極とからなるものである。
実験を、CO+H2のドーパント・ガス組成物(表1に列挙される、ガス混合物4)を使用しながら、イオン源の性能を評価するために、特にCO+H2混合物のイオン化から得られたC+ビーム電流を評価するために実行した。イオン源は、螺旋状フィラメントと、このフィラメントの軸に直交して配置された陽極とからなる熱陰極スタイルであった。電力をフィラメントに印加して、電子を発生させた。フィラメントは、陽極とフィラメントとの間に電位差を生成してプラズマを生成し、それがイオン源チャンバ内に存在するガスをイオン化するように、陰極としても働く。
実験を、CO+Xe+H2のドーパント・ガス組成物(表1に列挙される、ガス混合物5)を使用しながら、イオン源の性能を評価するために、特にそのような組成物のイオン化から得られたC+ビーム電流を評価するために実行した。イオン源は、螺旋状フィラメントと、このフィラメントの軸に直交して配置された陽極とからなる熱陰極スタイルであった。電力をフィラメントに印加して、電子を発生させた。フィラメントは陰極としても働き、陽極とフィラメントとの間の電位差がプラズマを生成して、イオン源チャンバ内に存在するガスをイオン化した。
実験を、CO+Xeのドーパント・ガス組成物(表1に列挙される、ガス混合物6)を使用しながら、イオン源の性能を評価するために、特にそのような組成物のイオン化から得られたC+ビーム電流を評価するために実行した。イオン源は、螺旋状フィラメントと、このフィラメントの軸に直交して配置された陽極とからなる熱陰極スタイルであった。電力をフィラメントに印加して、電子を発生させた。フィラメントは陰極としても働き、陽極とフィラメントとの間に電位差が生成されて、イオン源チャンバ内に存在するガスをイオン化するためのプラズマを生成した。CO及びXeを、表1に示されるように、1.0:0.05の体積比でCO及びXeを含有する準大気圧送達UpTime(登録商標)デバイスを使用して供給した。COの流量は、等量のC含有ガスがイオン源に導入されることを確実にするために、比較例1のCO流量に等しくなるよう維持した。
実験を、CO+Xe+H2のドーパント・ガス組成物(表1に列挙される、ガス混合物2)を使用しながら、イオン源の性能を評価するために、特にそのような組成物のイオン化から得られたC+ビーム電流を評価するために実行した。イオン源は、螺旋状フィラメントと、このフィラメントの軸に直交して配置された陽極とからなる熱陰極スタイルであった。電力をフィラメントに印加して、電子を発生させた。フィラメントは陰極としても働き、陽極とフィラメントとの間に電位差が生成されて、イオン源チャンバ内に存在するガスをイオン化するためのプラズマを生成した。
実験を、CO+Xe+H2のドーパント・ガス組成物(表1に列挙される、ガス混合物3)を使用しながら、イオン源の性能を評価するために、特にそのような組成物のイオン化から得られたC+ビーム電流を評価するために実行した。イオン源は、螺旋状フィラメントと、このフィラメントの軸に直交して配置された陽極とからなる熱陰極スタイルであった。電力をフィラメントに印加して、電子を発生させた。フィラメントは陰極としても働き、陽極とフィラメントとの間に電位差が生成されて、イオン源チャンバ内に存在するガスをイオン化するためのプラズマを生成した。
Claims (22)
- ドーパント・ガス混合物用の単一供給源であって、
希釈ガス混合物と所定の濃度で予混合された1種又は複数の炭素含有ドーパント源ガスであって、前記1種又は複数の炭素含有源が少なくともCOを含み、前記希釈ガス混合物が不活性ガス及び水素含有ガスを含む、1種又は複数の炭素含有ドーパント源ガスと、
準大気圧送達及び貯蔵デバイスであって、その内部容積内に加圧状態で前記ドーパント・ガス混合物を維持するための準大気圧送達及び貯蔵デバイスと
を有し、
前記送達デバイスが排出流路と流体連通し、また前記送達デバイスが、前記排出流路に沿って達成される準大気圧条件に応答して、前記デバイスの内部容積からの前記ドーパント組成物の制御された流れを可能にするように作動する、ドーパント・ガス混合物用の単一供給源。 - 前記不活性ガスが、キセノン、アルゴン、ネオン、クリプトン、又はこれらの任意の組合せからなる群から選択される、請求項1に記載のドーパント・ガス混合物用の単一供給源。
- 前記1種又は複数の炭素含有源が、C2F6、CF4、C4F8、C2F4、CH4、C2H2、及びこれらの混合物からなる群から選択される、請求項1に記載のドーパント・ガス混合物用の単一供給源。
- 前記1種又は複数の炭素含有源がCOであり、前記希釈ガス混合物が本質的にキセノン及び水素からなる、請求項1に記載のドーパント・ガス混合物用の単一供給源。
- 前記準大気圧送達及び貯蔵デバイスが、アルミニウムから形成されたシリンダと、弁体とを有し、さらに、前記弁体は、圧力除去デバイスが存在しないことによって特徴付けられる、請求項1に記載のドーパント・ガス混合物用の単一供給源。
- 前記準大気圧送達及び貯蔵デバイスが、圧力調整器、逆止弁、過流防止弁、及び制限流オリフィスの群から選択される1つ又は複数の弁要素及び/又は制限流要素の組合せを有する、請求項1に記載のドーパント・ガス混合物用の単一供給源。
- 前記送達及び貯蔵デバイスが、前記シリンダの内部に直列に配置された1つ又は複数の圧力調整器を有する、請求項6に記載のドーパント・ガス混合物用の単一供給源。
- 前記制限流要素が毛管を有する、請求項6に記載のドーパント・ガス混合物用の単一供給源。
- 前記送達及び貯蔵デバイスがシリンダを有し、該シリンダが、壁の表面を不動態化することによって画定された内部を有する、請求項1に記載のドーパント・ガス混合物用の単一供給源。
- 前記送達及び貯蔵デバイスは、内部に含有される吸着媒体又はイオン混合物が存在しないことによって特徴付けられる、請求項1に記載のドーパント・ガス混合物用の単一供給源。
- イオン注入用のドーパント・ガス組成物を送達するための方法であって、
少なくともCOを含む1種又は複数の炭素含有ドーパント・ガスを提供するステップと、
不活性ガス及び水素含有ガスを含む希釈ガス組成物を提供するステップと、
所定の真空条件に応答して、1種又は複数の炭素含有ドーパント・ガスの制御された流れを作動させるステップと、
所定の真空条件に応答して、前記希釈ガス組成物の制御された流れを作動させるステップと、
前記1種又は複数の炭素含有ドーパント・ガスをイオン源チャンバに導入するステップと、
前記希釈ガス組成物を前記イオン源チャンバに導入するステップと、
前記1種又は複数の炭素含有ドーパント・ガス源をイオン化して、炭素イオンを生成するステップと、
前記炭素イオンを基板に注入するステップと
を含み、
前記1種又は複数の炭素含有ドーパント・ガス源が前記希釈ガス組成物と相互作用し、それにより、純粋なCOに比べて炭素イオン・ビーム電流の実質的な低減をもたらすことなく前記炭素イオン源に沿った堆積物を低減させる、方法。 - 前記1種又は複数の炭素含有源がCOを含み、前記希釈ガス組成物がXe及びH2を含み、前記Xe及びH2が、約0.02から約0.20に及ぶ事前に定められた体積比にあり、(Xe+H2):COが、約0.10から約0.30に及ぶ事前に定められた体積比で含有される、請求項11に記載の方法。
- CO、キセノン、及び水素を予混合するステップをさらに含む、請求項11に記載の方法。
- 前記予混合するステップが、
準大気圧送達及び貯蔵デバイスをCOで満たすステップと、
前記デバイスをXe及びH2で満たすステップと、
加圧混合物を生成するステップと、
真空作動式弁を封止構成内に保持して、前記混合物を所定の貯蔵圧力で前記デバイス内に維持するステップと
を含む、請求項13に記載の方法。 - COの流れをXe及びH2の流れと同時に流す又は順次流すステップをさらに含む、請求項12に記載の方法。
- 一酸化炭素を含む炭素系材料と、
キセノン(Xe)及び水素(H2)を含む不活性希釈ガス混合物であって、前記Xe及び前記H2が有効量で含有され、前記有効量は、Xe:H2が約0.02から約0.20までの体積比である、前記不活性希釈ガス混合物と
を含み、
前記(Xe+H2):COは、約0.10から約0.30に及ぶ体積比で含有される、ガス組成物。 - 前記ガス組成物が、単一供給源内にドーパント混合物として予混合される、請求項16に記載のガス組成物。
- 前記単一供給源が、準大気圧送達及び貯蔵デバイスであって、その内部容積内に加圧状態で前記ドーパント混合物を維持する準大気圧送達及び貯蔵デバイスであり、前記送達デバイスが排出流路に流体連通し、また前記送達デバイスが、前記排出流路に沿って且つイオン源チャンバ内に延びて達成された準大気圧条件に応答して、前記デバイスの前記内部容積からの前記ドーパント混合物の制御された流れが可能になるように作動する、請求項17に記載のガス組成物。
- 前記Xe:H2が、約0.02から約0.06に及ぶ体積比で含有される、請求項16に記載のガス組成物。
- 前記(Xe+H2):COが、約0.15から約0.20に及ぶ体積比で含有される、請求項16に記載のガス組成物。
- 第1の供給容器がCOを含み、第2の供給容器がXe及びH2を含み、前記第1及び第2の容器がガス・キットの一部として提供される、請求項16に記載のガス組成物。
- 前記第1及び第2の供給容器のそれぞれが、準大気圧送達及び貯蔵デバイスであって、その内部容積内に加圧状態でCOとXe及びH2と維持する準大気圧送達及び貯蔵デバイスであり、前記第1及び第2の供給容器のそれぞれが、前記排出流路に沿って且つイオン源チャンバ内に延びて達成された準大気圧条件に応答して、前記対応する第1及び第2の供給容器の前記内部容積からのCOとXe及びH2との制御された流れが可能になるように作動する、請求項21に記載のガス組成物。
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JP2015549788A Pending JP2016511504A (ja) | 2012-12-21 | 2013-12-20 | 炭素イオン注入のためのドーパント組成物の貯蔵及び準大気圧送達 |
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EP (1) | EP2936540B1 (ja) |
JP (1) | JP2016511504A (ja) |
KR (2) | KR102400427B1 (ja) |
CN (2) | CN108675273A (ja) |
SG (1) | SG11201504167RA (ja) |
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WO (1) | WO2014100621A1 (ja) |
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Also Published As
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SG11201504167RA (en) | 2015-07-30 |
TW201808789A (zh) | 2018-03-16 |
KR20190031594A (ko) | 2019-03-26 |
US20140179090A1 (en) | 2014-06-26 |
EP2936540B1 (en) | 2019-02-13 |
TW201442948A (zh) | 2014-11-16 |
WO2014100621A1 (en) | 2014-06-26 |
KR102400427B1 (ko) | 2022-05-19 |
EP2936540A1 (en) | 2015-10-28 |
US9552990B2 (en) | 2017-01-24 |
CN104871286B (zh) | 2018-06-26 |
US20170032967A1 (en) | 2017-02-02 |
TW202014375A (zh) | 2020-04-16 |
TWI632109B (zh) | 2018-08-11 |
KR102208866B1 (ko) | 2021-01-28 |
TWI680098B (zh) | 2019-12-21 |
CN104871286A (zh) | 2015-08-26 |
KR20150096767A (ko) | 2015-08-25 |
CN108675273A (zh) | 2018-10-19 |
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