JP3926745B2 - イオン注入のための開口を制限する,調節可能なコンダクタンス - Google Patents
イオン注入のための開口を制限する,調節可能なコンダクタンス Download PDFInfo
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- JP3926745B2 JP3926745B2 JP2002558300A JP2002558300A JP3926745B2 JP 3926745 B2 JP3926745 B2 JP 3926745B2 JP 2002558300 A JP2002558300 A JP 2002558300A JP 2002558300 A JP2002558300 A JP 2002558300A JP 3926745 B2 JP3926745 B2 JP 3926745B2
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- 238000005468 ion implantation Methods 0.000 title claims description 18
- 150000002500 ions Chemical class 0.000 claims description 65
- 238000010884 ion-beam technique Methods 0.000 claims description 51
- 238000011144 upstream manufacturing Methods 0.000 claims description 33
- 230000007246 mechanism Effects 0.000 claims description 19
- 238000012545 processing Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 10
- 229920002120 photoresistant polymer Polymers 0.000 claims description 7
- 238000013459 approach Methods 0.000 claims description 2
- 235000012431 wafers Nutrition 0.000 description 26
- 239000007789 gas Substances 0.000 description 20
- 238000000926 separation method Methods 0.000 description 10
- 239000004065 semiconductor Substances 0.000 description 8
- 239000002019 doping agent Substances 0.000 description 7
- 238000002513 implantation Methods 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- -1 ion ions Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004949 mass spectrometry Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005389 semiconductor device fabrication Methods 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
Images
Classifications
-
- 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
- H01J37/30—Electron-beam or ion-beam tubes for localised treatment of objects
-
- 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
- H01J37/02—Details
- H01J37/16—Vessels; Containers
-
- 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
- H01J37/30—Electron-beam or ion-beam tubes for localised treatment of objects
- H01J37/317—Electron-beam or ion-beam tubes for localised treatment of objects for changing properties of the objects or for applying thin layers thereon, e.g. for ion implantation
- H01J37/3171—Electron-beam or ion-beam tubes for localised treatment of objects for changing properties of the objects or for applying thin layers thereon, e.g. for ion implantation for ion implantation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
- H01J2237/04—Means for controlling the discharge
- H01J2237/045—Diaphragms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
- H01J2237/18—Vacuum control means
- H01J2237/188—Differential pressure
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physical Vapour Deposition (AREA)
- Electron Sources, Ion Sources (AREA)
Description
本発明は,一般的に半導体デバイスの製造に関し,特にイオン注入中に,フォトレジストのコートがされたウエハからビームラインへのガス流を減少させること関する。
Claims (17)
- ターゲットにイオンを注入するイオン注入器であって,
イオンビームを生成するためのイオンビーム生成器と,
イオンビームを受け入れるための,ターゲットチェンバーを画成する処理ステーションであって,ターゲットのイオン注入の間,ターゲットチェンバーを上流領域および下流領域に分割するための分割器を含むところの処理ステーションと,
ターゲットチェンバーの上流領域および下流領域に,それぞれ連結される第一および第二の真空ポンプと,
を含み,
ターゲットは下流領域に配置され,分割器は,イオンビームが実質的に阻止されることなく通過するとともに,チェンバーの下流領域から上流領域へのガスの逆流を制限する大きさをもつ貫通開口を有し,前記処理ステーションはさらに,前記開口の大きさを調節するための開口調節機構を有する,イオン注入器。 - 前記開口調節機構が,前記開口の向かい合った端部を画成し,互いに接近し,遠ざかるように可動な一対のプレートを有する,請求項1に記載のイオン注入器。
- 前記開口調節機構がさらに,開口の大きさを調節するために,互いに接近し,遠ざかるように前記プレートを動かすための駆動機構を有する,請求項2に記載のイオン注入器。
- さらに,前記プレートにビームが衝突したことを示す信号を生成するように構成されたビームセンサーを有し,
前記駆動機構が開口の大きさをビームの大きさへと調節するために前記信号に応答する,請求項3に記載のイオン注入器。 - 前記開口調節機構がひとつ以上の回転可能なパネルを有する,請求項1に記載のイオン注入器。
- さらに,ビームの大きさを示す信号を生成するように構成されたビームセンサーを有し,
開口調節機構が開口の大きさをビームの大きさへと調節するために前記信号に応答する,請求項1に記載のイオン注入器。 - さらに,ビーム電流が前記開口を通過したことを示す信号を生成するために,前記チェンバー分割器の下流に位置するビームセンサーを有し,
開口調節機構が,ビーム電流が検出されるまで開口の大きさを調節するために前記信号に応答する,請求項1に記載のイオン注入器。 - さらに,動作中,ターゲットチェンバーの上流領域内の圧力を,5×10-6トル以下に維持するための真空ポンプを含む,請求項1に記載のイオン注入器。
- 全てのベースラインの構成要素が分割器の上流にあるように,前記分割器が前記ターゲットチェンバー内に配置される,請求項1に記載のイオン注入器。
- さらに,ターゲットチェンバーの上流領域内にビーム電流センサーを有する,請求項1に記載のイオン注入器。
- 開口をそれぞれが有する,チェンバー内に連続して配置されるふたつ以上の分割器を有する,請求項1に記載のイオン注入器。
- 各開口の大きさが開口調節機構により調節できる,請求項11に記載のイオン注入器。
- 各分割器が,チェンバーの領域の,そのすぐ上流側を真空に維持するための関連真空ポンプを有する,請求項11に記載のイオン注入器。
- イオンビーム生成器が,
イオンビームをビーム経路にそってターゲットへと向けるイオンソースと,
前記イオンビーム中の所望のイオンを選択するための,前記ビーム経路にそって配置される質量分析器と,
前記イオンビーム中の選択されたイオンを所望のエネルギーに加速するための,前記ビーム経路にそって配置される加速器と,
イオンビームをターゲットにわたって分布させるスキャナーと,
を含む,請求項1に記載のイオン注入器。 - 前記開口調節機構がひとつ以上の可動プレートを含む,請求項1に記載のイオン注入器。
- フォトレジストを上に有するターゲットを包含するように適合された,イオン注入器のターゲットチェンバー内で,イオンビームとガスとの間で,ビームを変更する衝突の確率を減少させる方法であって,ターゲットのイオンビーム処理の間,ターゲットチェンバーを上流領域および下流領域に分割する,ターゲットチェンバー内にある分割器を用意する工程からなり,ターゲットは下流領域に配置され,チェンバー分割器は,イオンビームが実質的に阻止されることなく通過できるとともに,チェンバーの上流領域へのガスの逆流が制限される大きさをもつ貫通開口を有し,ビーム経路の構成が調節可能で,分割器の貫通開口の大きさが,ビーム経路の構成が調節されたときに,ビーム経路の大きさに調節される,ところの方法。
- ビームの最終エネルギーが決定され,ビームが前記開口を通過する前にイオン電流が測定されるように,分割器が配置される,請求項16に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US26259401P | 2001-01-18 | 2001-01-18 | |
PCT/US2002/001164 WO2002058102A2 (en) | 2001-01-18 | 2002-01-16 | Adjustable conductance limiting aperture for ion implanters |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2004527070A JP2004527070A (ja) | 2004-09-02 |
JP2004527070A5 JP2004527070A5 (ja) | 2005-12-22 |
JP3926745B2 true JP3926745B2 (ja) | 2007-06-06 |
Family
ID=22998185
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002558300A Expired - Lifetime JP3926745B2 (ja) | 2001-01-18 | 2002-01-16 | イオン注入のための開口を制限する,調節可能なコンダクタンス |
Country Status (8)
Country | Link |
---|---|
US (1) | US6791097B2 (ja) |
EP (1) | EP1352411B1 (ja) |
JP (1) | JP3926745B2 (ja) |
KR (1) | KR100883237B1 (ja) |
CN (1) | CN1322538C (ja) |
DE (1) | DE60203367T2 (ja) |
TW (1) | TWI250548B (ja) |
WO (1) | WO2002058102A2 (ja) |
Families Citing this family (26)
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US7547460B2 (en) * | 2000-09-15 | 2009-06-16 | Varian Semiconductor Equipment Associates, Inc. | Ion implanter optimizer scan waveform retention and recovery |
US20050061997A1 (en) * | 2003-09-24 | 2005-03-24 | Benveniste Victor M. | Ion beam slit extraction with mass separation |
US7102146B2 (en) * | 2004-06-03 | 2006-09-05 | Axcelis Technologies, Inc. | Dose cup located near bend in final energy filter of serial implanter for closed loop dose control |
US6989545B1 (en) * | 2004-07-07 | 2006-01-24 | Axcelis Technologies, Inc. | Device and method for measurement of beam angle and divergence |
JP4901094B2 (ja) | 2004-11-30 | 2012-03-21 | 株式会社Sen | ビーム照射装置 |
US7488958B2 (en) * | 2005-03-08 | 2009-02-10 | Axcelis Technologies, Inc. | High conductance ion source |
WO2007067552A2 (en) * | 2005-12-07 | 2007-06-14 | Varian Semiconductor Equipment Associates, Inc. | Techniques for preventing parasitic beamlets from affecting ion implantation |
KR100734308B1 (ko) * | 2006-01-26 | 2007-07-02 | 삼성전자주식회사 | 가변 스크린 어퍼쳐를 갖는 이온 주입 시스템 및 이를이용한 이온 주입 방법 |
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WO2007146322A2 (en) * | 2006-06-13 | 2007-12-21 | Semequip, Inc. | Magnetic analyzer apparatus and method for ion implantation |
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GB0617498D0 (en) * | 2006-09-06 | 2006-10-18 | Boc Group Plc | Method of pumping gas |
US20080160170A1 (en) * | 2006-12-28 | 2008-07-03 | Varian Semiconductor Equipment Assoicates, Inc. | Technique for using an improved shield ring in plasma-based ion implantation |
WO2009089441A1 (en) * | 2008-01-09 | 2009-07-16 | Passport Systems, Inc. | Methods and systems for accelerating particles using induction to generate an electric field with a localized curl |
US8169167B2 (en) * | 2008-01-09 | 2012-05-01 | Passport Systems, Inc. | Methods for diagnosing and automatically controlling the operation of a particle accelerator |
EP2232959A4 (en) * | 2008-01-09 | 2015-04-08 | Passport Systems Inc | DIAGNOSTIC METHODS AND APPARATUS FOR ACCELERATOR USING INDUCTION TO GENERATE MAGNETIC FIELD WITH LOCALIZED CURVE |
US7858955B2 (en) * | 2008-06-25 | 2010-12-28 | Axcelis Technologies, Inc. | System and method of controlling broad beam uniformity |
US8198610B2 (en) * | 2009-10-20 | 2012-06-12 | Advanced Ion Beam Technology, Inc. | Ion implanter with variable aperture and ion implant method thereof |
US8669539B2 (en) * | 2010-03-29 | 2014-03-11 | Advanced Ion Beam Technology, Inc. | Implant method and implanter by using a variable aperture |
CN102446684A (zh) * | 2010-10-13 | 2012-05-09 | 北京中科信电子装备有限公司 | 一种基于离子注入平行限束光栏的结构 |
KR101769493B1 (ko) * | 2011-12-23 | 2017-08-30 | 주식회사 원익아이피에스 | 기판처리장치 및 그를 가지는 기판처리시스템 |
WO2014145898A2 (en) * | 2013-03-15 | 2014-09-18 | Glenn Lane Family Limited Liability Limited Partnership | Adjustable mass resolving aperture |
JP6253362B2 (ja) * | 2013-11-21 | 2017-12-27 | 住友重機械イオンテクノロジー株式会社 | 高エネルギーイオン注入装置、ビーム電流調整装置、及びビーム電流調整方法 |
US9496117B2 (en) * | 2014-01-20 | 2016-11-15 | Varian Semiconductor Equipment Associates, Inc. | Two-dimensional mass resolving slit mechanism for semiconductor processing systems |
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-
2002
- 2002-01-16 US US10/050,743 patent/US6791097B2/en not_active Expired - Lifetime
- 2002-01-16 JP JP2002558300A patent/JP3926745B2/ja not_active Expired - Lifetime
- 2002-01-16 CN CNB028050940A patent/CN1322538C/zh not_active Expired - Lifetime
- 2002-01-16 WO PCT/US2002/001164 patent/WO2002058102A2/en active IP Right Grant
- 2002-01-16 KR KR1020037009535A patent/KR100883237B1/ko active IP Right Grant
- 2002-01-16 EP EP02707495A patent/EP1352411B1/en not_active Expired - Lifetime
- 2002-01-16 DE DE60203367T patent/DE60203367T2/de not_active Expired - Fee Related
- 2002-01-17 TW TW091100637A patent/TWI250548B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR20030074716A (ko) | 2003-09-19 |
CN1535470A (zh) | 2004-10-06 |
DE60203367D1 (de) | 2005-04-28 |
US6791097B2 (en) | 2004-09-14 |
WO2002058102A3 (en) | 2003-03-06 |
JP2004527070A (ja) | 2004-09-02 |
KR100883237B1 (ko) | 2009-02-10 |
CN1322538C (zh) | 2007-06-20 |
WO2002058102A2 (en) | 2002-07-25 |
EP1352411B1 (en) | 2005-03-23 |
US20020121613A1 (en) | 2002-09-05 |
TWI250548B (en) | 2006-03-01 |
EP1352411A2 (en) | 2003-10-15 |
DE60203367T2 (de) | 2006-04-06 |
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