JP6665809B2 - マルチ荷電粒子ビーム描画装置及びその調整方法 - Google Patents
マルチ荷電粒子ビーム描画装置及びその調整方法 Download PDFInfo
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/20—Exposure; Apparatus therefor
- G03F7/2051—Exposure without an original mask, e.g. using a programmed deflection of a point source, by scanning, by drawing with a light beam, using an addressed light or corpuscular source
- G03F7/2059—Exposure without an original mask, e.g. using a programmed deflection of a point source, by scanning, by drawing with a light beam, using an addressed light or corpuscular source using a scanning corpuscular radiation beam, e.g. an electron beam
-
- 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
- H01J37/147—Arrangements for directing or deflecting the discharge along a desired path
- H01J37/1471—Arrangements for directing or deflecting the discharge along a desired path for centering, aligning or positioning of ray or beam
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/70216—Mask projection systems
- G03F7/7025—Size or form of projection system aperture, e.g. aperture stops, diaphragms or pupil obscuration; Control thereof
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/70483—Information management; Active and passive control; Testing; Wafer monitoring, e.g. pattern monitoring
- G03F7/7055—Exposure light control in all parts of the microlithographic apparatus, e.g. pulse length control or light interruption
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/70691—Handling of masks or workpieces
- G03F7/70716—Stages
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/70691—Handling of masks or workpieces
- G03F7/70775—Position control, e.g. interferometers or encoders for determining the stage position
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F9/00—Registration or positioning of originals, masks, frames, photographic sheets or textured or patterned surfaces, e.g. automatically
- G03F9/70—Registration or positioning of originals, masks, frames, photographic sheets or textured or patterned surfaces, e.g. automatically for microlithography
- G03F9/7003—Alignment type or strategy, e.g. leveling, global alignment
-
- 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
- H01J37/045—Beam blanking or chopping, i.e. arrangements for momentarily interrupting exposure to the discharge
-
- 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
- H01J37/20—Means for supporting or positioning the object or the material; Means for adjusting diaphragms or lenses associated with the support
-
- 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
- H01J37/302—Controlling tubes by external information, e.g. programme control
- H01J37/3023—Programme control
- H01J37/3026—Patterning strategy
-
- 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
- H01J37/3174—Particle-beam lithography, e.g. electron beam lithography
- H01J37/3177—Multi-beam, e.g. fly's eye, comb probe
-
- 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
- H01J2237/043—Beam blanking
- H01J2237/0435—Multi-aperture
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Electron Beam Exposure (AREA)
Description
4 電子銃
6 照明レンズ系
8 成形アパーチャアレイ
10 ブランキングアパーチャアレイ
12 縮小レンズ
14 制限アパーチャ部材
16 対物レンズ
18 偏向器
20 描画室
22 XYステージ
40 アライメント機構(アライメント部)
42,44,46 アライメントコイル
48 アパーチャ
50 制御計算機
51 特徴量計算部
54 コイル制御回路
56 制御回路
58 信号取得回路
Claims (5)
- 荷電粒子ビームを放出する放出部と、
複数の開口部が形成され、前記複数の開口部を前記荷電粒子ビームが通過することによりマルチビームを形成する成形アパーチャアレイと、
前記マルチビームのうち、それぞれ対応するビームのブランキング偏向を行う複数のブランカが配置されたブランキングアパーチャアレイと、
前記複数のブランカによってビームOFFの状態になるように偏向された各ビームを遮蔽する制限アパーチャ部材と、
前記マルチビームが照射される基板を載置するステージと、
前記放出部と前記成形アパーチャアレイとの間に配置され、アパーチャ、該アパーチャに設けられ荷電粒子を検出する検出器、及び該アパーチャへの前記荷電粒子ビームの入射角を調整するアライメントコイルを有するアライメント部と、
前記検出器の検出値に基づくアライメントスキャン像から、前記荷電粒子ビームの前記アパーチャへの入射角の垂直度合を示す特徴量を計算する特徴量計算部と、
前記特徴量に基づいて前記アライメントコイルの励磁値を制御するコイル制御部と、
を備えるマルチ荷電粒子ビーム描画装置。 - 前記特徴量計算部は、前記アライメントスキャン像の輝度の均一さを示す値を前記特徴量として計算することを特徴とする請求項1に記載のマルチ荷電粒子ビーム描画装置。
- 前記特徴量計算部は、前記アライメントスキャン像の輝度の重心と、該アライメントスキャン像の中心との位置ずれ量を前記特徴量として計算し、
前記コイル制御部は、前記位置ずれ量が小さくなるように前記アライメントコイルの励磁値を制御することを特徴とする請求項2に記載のマルチ荷電粒子ビーム描画装置。 - 前記特徴量計算部は、前記アライメントスキャン像の面積を前記特徴量として計算し、
前記コイル制御部は、前記面積が大きくなるように前記アライメントコイルの励磁値を制御することを特徴とする請求項1に記載のマルチ荷電粒子ビーム描画装置。 - 荷電粒子ビームを放出する工程と、
前記荷電粒子ビームがアパーチャを通過する工程と、
前記アパーチャを通過した前記荷電粒子ビームが、成形アパーチャアレイの複数の開口部を通過してマルチビームを形成する工程と、
ステージ上に載置された基板に前記マルチビームを照射する工程と、
前記アパーチャに設けられた検出器で検出した荷電粒子からアライメントスキャン像を作成する工程と、
前記アライメントスキャン像から、前記荷電粒子ビームの前記アパーチャへの入射角の垂直度合を示す特徴量を計算する工程と、
前記特徴量に基づいて前記アパーチャへの前記荷電粒子ビームの入射角を調整する工程と、
を備えるマルチ荷電粒子ビーム描画装置の調整方法。
Priority Applications (5)
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JP2017033439A JP6665809B2 (ja) | 2017-02-24 | 2017-02-24 | マルチ荷電粒子ビーム描画装置及びその調整方法 |
US15/839,984 US10541105B2 (en) | 2017-02-24 | 2017-12-13 | Multi charged particle beam writing apparatus and adjusting method for multi charged particle beam writing apparatus |
TW107102310A TWI695406B (zh) | 2017-02-24 | 2018-01-23 | 多帶電粒子束描繪裝置及其調整方法 |
CN201810151182.0A CN108508707B (zh) | 2017-02-24 | 2018-02-14 | 多带电粒子束描绘装置及其调整方法 |
KR1020180021151A KR102115923B1 (ko) | 2017-02-24 | 2018-02-22 | 멀티 하전 입자 빔 묘화 장치 및 그 조정 방법 |
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KR (1) | KR102115923B1 (ja) |
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JP2020178055A (ja) * | 2019-04-19 | 2020-10-29 | 株式会社ニューフレアテクノロジー | マルチ荷電粒子ビーム描画装置 |
WO2021081804A1 (en) * | 2019-10-30 | 2021-05-06 | Yangtze Memory Technologies Co., Ltd | Method for calibrating verticality of particle beam and system applied to semiconductor fabrication process |
JP7411521B2 (ja) * | 2020-09-03 | 2024-01-11 | 株式会社ニューフレアテクノロジー | 荷電粒子ビーム調整方法、荷電粒子ビーム描画方法、および荷電粒子ビーム照射装置 |
JP2022146501A (ja) * | 2021-03-22 | 2022-10-05 | 株式会社ニューフレアテクノロジー | マルチ荷電粒子ビーム描画装置及びその調整方法 |
CN114280895B (zh) * | 2021-12-24 | 2024-01-05 | 深圳市先地图像科技有限公司 | 一种激光成像过程中像素行分配方法、系统及相关设备 |
KR102518783B1 (ko) * | 2022-06-23 | 2023-04-06 | 큐알티 주식회사 | 적응적 변형이 가능한 빔 제어기, 이를 이용한 반도체 소자의 테스트 장치, 및 이를 이용한 반도체 소자의 테스트 방법 |
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JP4738723B2 (ja) * | 2003-08-06 | 2011-08-03 | キヤノン株式会社 | マルチ荷電粒子線描画装置、荷電粒子線の電流の測定方法及びデバイス製造方法 |
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- 2017-12-13 US US15/839,984 patent/US10541105B2/en active Active
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- 2018-01-23 TW TW107102310A patent/TWI695406B/zh active
- 2018-02-14 CN CN201810151182.0A patent/CN108508707B/zh active Active
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KR20180098152A (ko) | 2018-09-03 |
US10541105B2 (en) | 2020-01-21 |
KR102115923B1 (ko) | 2020-05-27 |
TWI695406B (zh) | 2020-06-01 |
US20180247788A1 (en) | 2018-08-30 |
CN108508707A (zh) | 2018-09-07 |
TW201832264A (zh) | 2018-09-01 |
JP2018139254A (ja) | 2018-09-06 |
CN108508707B (zh) | 2021-02-09 |
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