JP2014060180A - 可変開口を利用したイオン注入方法 - Google Patents
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- 238000005468 ion implantation Methods 0.000 title claims abstract description 79
- 238000000034 method Methods 0.000 title claims abstract description 56
- 238000010884 ion-beam technique Methods 0.000 claims abstract description 214
- 239000000758 substrate Substances 0.000 claims abstract description 99
- 238000000465 moulding Methods 0.000 claims description 15
- 230000007246 mechanism Effects 0.000 claims description 14
- 230000008859 change Effects 0.000 claims description 7
- 230000008569 process Effects 0.000 abstract description 23
- 150000002500 ions Chemical class 0.000 description 36
- 238000009826 distribution Methods 0.000 description 34
- 238000007493 shaping process Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 8
- 238000002513 implantation Methods 0.000 description 5
- 239000007943 implant Substances 0.000 description 4
- 235000012431 wafers Nutrition 0.000 description 4
- 238000011109 contamination Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 238000005137 deposition process Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 238000013022 venting Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- ONCZDRURRATYFI-QTCHDTBASA-N methyl (2z)-2-methoxyimino-2-[2-[[(e)-1-[3-(trifluoromethyl)phenyl]ethylideneamino]oxymethyl]phenyl]acetate Chemical compound CO\N=C(/C(=O)OC)C1=CC=CC=C1CO\N=C(/C)C1=CC=CC(C(F)(F)F)=C1 ONCZDRURRATYFI-QTCHDTBASA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
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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
- H01J37/30—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
-
- 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
- C23C14/48—Ion implantation
-
- 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
- H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement or ion-optical arrangement
- H01J37/09—Diaphragms; Shields associated with electron or ion-optical arrangements; Compensation of disturbing fields
-
- 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
- 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
-
- 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
- H01J2237/0455—Diaphragms with variable aperture
-
- 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
- H01J2237/245—Detection characterised by the variable being measured
- H01J2237/24507—Intensity, dose or other characteristics of particle beams or electromagnetic radiation
- H01J2237/24514—Beam diagnostics including control of the parameter or property diagnosed
- H01J2237/24542—Beam profile
-
- 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
- H01J2237/30—Electron or ion beam tubes for processing objects
- H01J2237/317—Processing objects on a microscale
- H01J2237/31701—Ion implantation
- H01J2237/31706—Ion implantation characterised by the area treated
- H01J2237/3171—Ion implantation characterised by the area treated patterned
- H01J2237/31711—Ion implantation characterised by the area treated patterned using mask
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Abstract
【解決手段】イオンビームの形状を変化させ、特に、基板付近で、イオンビームの最終形状を変化させ、その後、成形後のイオンビームにより、基板に対しイオン注入を実行する可変開口を有する開口調整装置を提供する。よって、基板の異なる部分、又は、異なる基板は、複数の固定開口を使用しない、又は、毎回、イオンビームを再調整しない情況下で、それぞれ、異なる成形後のイオンビームにより、イオン注入を実行する。つまり、高コストで、複雑な操作なしでも、それぞれ、特製のイオンビームにより、異なるイオン注入を実行する目的を達成することができる。この他、公知技術と比較すると、可変開口の調整は、機械操作により容易に達成されるので、イオンビーム調整プロセスが加速されて、イオン注入を実行する特定のイオンビームのイオンビーム調整プロセスが達成される。
【選択図】図2A
Description
102:解析磁石
103:イオンビーム
104:基板
105:磁石アセンブリ
106、1061、1062:開口調整装置
107、1071、1072:固定開口
201:イオン源
202:解析磁石
203、600、601、602、60:イオンビーム
204、500、66:基板
205:磁石アセンブリ
206、61:開口調整装置
207、62:可変開口
212、215、301、302、303、304:ブロック
501、502:ドーズ領域
641、642、643:イオンビーム電流分布
65:磁石アセンブリ
Claims (5)
- 開口調整装置内の可変開口を利用して実行されるイオン注入方法であって、
イオンビームと基板を提供するステップと、
前記可変開口のサイズおよび形状の少なくとも一つをフレキシブルに調整して、前記可変開口により前記イオンビームの形状を変化させて成形して、成形後の成形後イオンビームにより前記基板にイオン注入を実行するイオン注入ステップと
を含むことを特徴とするイオン注入方法。 - 更に、
前記可変開口を磁石ユニットの一端と前記基板のイオン注入面との間に定位させるステップ、
前記基板にイオン注入を実行後であって別の基板にイオン注入を実行する前に、前記可変開口を調整して、前記成形後イオンビームと異なる成形後のイオンビームにより、前記別の基板にイオン注入を実行するステップ、及び、
前記イオン注入ステップの期間に、前記可変開口を少なくとも二回調整して、異なる成形後のイオンビームにより、前記基板の異なる部分にイオン注入を実行するステップ
の少なくとも一つを含むことを特徴とする請求項1に記載のイオン注入方法。 - 更に、前記可変開口を調整する期間、前記イオンビームと前記基板の少なくとも一者の運動を停止するステップを含むことを特徴とする請求項2に記載のイオン注入方法。
- 前記可変開口は、
前記基板上のドーズ領域の必要用量、前記ドーズ領域の形状、及び、前記ドーズ領域のサイズの少なくとも一つに従って、前記ドーズ領域にイオン注入を実行するのに用いられる前記イオンビームの形状を変化させるステップ、
異なる成形後のイオンビームにより、前記基板上の異なるドーズ領域にイオン注入を実行するステップ、及び、
前記可変開口による前記イオンビームの形状の変化がなされる前に、前記イオンビームの形状をフレキシブルに変化させて成形して成形後のイオンビームを形成して、異なるイオン注入を達成するステップ
の少なくとも一つを実行することによりフレキシブルに調整されることを特徴とする請求項1から3何れかの一項に記載のイオン注入方法。 - 更に、
前記イオンビームに垂直な第一方向へ、前記可変開口をシフトさせるステップ、及び、
傾斜、又は、ねじれ機構により、前記イオンビームと前記可変開口の交差箇所で、3次元空間中の前記第一方向とは異なる第二方向へ、前記可変開口を回転させるステップ
の少なくとも一つを含むことを特徴とする請求項1から4何れかの一項に記載のイオン注入方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US12/748,877 | 2010-03-29 | ||
US12/748,877 US8669539B2 (en) | 2010-03-29 | 2010-03-29 | Implant method and implanter by using a variable aperture |
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JP2011061888A Division JP2011210721A (ja) | 2010-03-29 | 2011-03-22 | 可変開口を利用したイオン注入方法と注入機 |
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JP2011061888A Pending JP2011210721A (ja) | 2010-03-29 | 2011-03-22 | 可変開口を利用したイオン注入方法と注入機 |
JP2014001844A Pending JP2014060180A (ja) | 2010-03-29 | 2014-01-08 | 可変開口を利用したイオン注入方法 |
JP2014001845A Pending JP2014099636A (ja) | 2010-03-29 | 2014-01-08 | 可変開口を利用したイオン注入方法 |
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US (2) | US8669539B2 (ja) |
JP (3) | JP2011210721A (ja) |
KR (2) | KR20110109841A (ja) |
CN (3) | CN102208320A (ja) |
TW (1) | TWI430340B (ja) |
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CN103824744A (zh) | 2014-05-28 |
KR20110109841A (ko) | 2011-10-06 |
TWI430340B (zh) | 2014-03-11 |
CN103811248A (zh) | 2014-05-21 |
CN103811248B (zh) | 2017-07-21 |
US20140161987A1 (en) | 2014-06-12 |
US8669539B2 (en) | 2014-03-11 |
US9057129B2 (en) | 2015-06-16 |
JP2014099636A (ja) | 2014-05-29 |
TW201140663A (en) | 2011-11-16 |
JP2011210721A (ja) | 2011-10-20 |
KR101364304B1 (ko) | 2014-02-18 |
KR20130038327A (ko) | 2013-04-17 |
US20110233431A1 (en) | 2011-09-29 |
CN102208320A (zh) | 2011-10-05 |
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