JP7218437B2 - 荷電粒子線装置用シンチレータおよび荷電粒子線装置 - Google Patents
荷電粒子線装置用シンチレータおよび荷電粒子線装置 Download PDFInfo
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- JP7218437B2 JP7218437B2 JP2021530422A JP2021530422A JP7218437B2 JP 7218437 B2 JP7218437 B2 JP 7218437B2 JP 2021530422 A JP2021530422 A JP 2021530422A JP 2021530422 A JP2021530422 A JP 2021530422A JP 7218437 B2 JP7218437 B2 JP 7218437B2
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- charged particle
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/20—Measuring radiation intensity with scintillation detectors
- G01T1/202—Measuring radiation intensity with scintillation detectors the detector being a crystal
- G01T1/2023—Selection of materials
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/62—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing gallium, indium or thallium
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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
- H01J37/02—Details
- H01J37/244—Detectors; Associated components or circuits therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/20—Measuring radiation intensity with scintillation detectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/54—Screens on or from which an image or pattern is formed, picked-up, converted, or stored; Luminescent coatings on vessels
- H01J1/62—Luminescent screens; Selection of materials for luminescent coatings on vessels
- H01J1/63—Luminescent screens; Selection of materials for luminescent coatings on vessels characterised by the luminescent material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J49/00—Particle spectrometers or separator tubes
- H01J49/02—Details
- H01J49/025—Detectors specially adapted to particle spectrometers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J49/00—Particle spectrometers or separator tubes
- H01J49/02—Details
- H01J49/06—Electron- or ion-optical arrangements
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- 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
- H01J2237/244—Detection characterized by the detecting means
- H01J2237/2443—Scintillation detectors
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- 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
- H01J2237/244—Detection characterized by the detecting means
- H01J2237/2448—Secondary particle detectors
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- 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
- H01J2237/26—Electron or ion microscopes
- H01J2237/28—Scanning microscopes
- H01J2237/2803—Scanning microscopes characterised by the imaging method
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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
- H01J37/26—Electron or ion microscopes; Electron or ion diffraction tubes
- H01J37/28—Electron or ion microscopes; Electron or ion diffraction tubes with scanning beams
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J49/00—Particle spectrometers or separator tubes
- H01J49/26—Mass spectrometers or separator tubes
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Measurement Of Radiation (AREA)
Description
Claims (13)
- 基材と、前記基材の表面に設けられたバッファ層と、前記バッファ 層の表面に設けられた発光層および障壁層の積層体と、前記積層体の表面に設けられた導電層と、を有し、
前記発光層はInGaNを含み、前記障壁層はGaNを含み、
前記発光層の厚さaと、前記障壁層の厚さbとの比b/aが、11以上20以下であり、
前記障壁層の厚さbが30nm以上100nm以下であることを特徴とする荷電粒子線装置用シンチレータ。 - 前記障壁層はSiを含み、前記Siの濃度のオーダーが10 16 cm -3 以上10 19 cm -3 以下であることを特徴とする請求項1に記載の荷電粒子線装置用シンチレータ。
- 前記障壁層はSiを含み、前記Siの濃度のオーダーが10 17 cm-3以上10 18 cm-3以下であることを特徴とする請求項1に記載の荷電粒子線装置用シンチレータ。
- 前記発光層はSiを含み、前記Siの濃度のオーダーが1016cm-3未満であることを特徴とする請求項1に記載の荷電粒子線装置用シンチレータ。
- 前記発光層と前記障壁層とが交互に積層された積層体を有することを特徴とする請求項1に記載の荷電粒子線装置用シンチレータ。
- 前記積層体の厚さが200nm以上1000nm以下であることを特徴とする請求項5に記載の荷電粒子線装置用シンチレータ。
- 前記発光層と前記障壁層の層数が、それぞれ、5以上25以下であることを特徴とする請求項6に記載の荷電粒子線装置用シンチレータ。
- 前記導電層がAlであることを特徴とする請求項1に記載の荷電粒子線装置用シンチレータ。
- 前記バッファ層がGaNを含むことを特徴とする請求項1に記載の荷電粒子線装置用シンチレータ。
- 前記バッファ層の厚さが5μm以上であることを特徴とする請求項1に記載の荷電粒子線装置用シンチレータ。
- 分析対象物に電子線を照射する電子源と、前記分析対象物に前記電子線が照射された際に放出される2次粒子を検出する2次粒子検出器と、を備え、
前記2次粒子検出器が、請求項1に記載の前記荷電粒子線装置用シンチレータを有することを特徴とする荷電粒子線装置。 - 前記荷電粒子線装置用シンチレータが、前記2次粒子が放出される前記分析対象物の直上に設けられていることを特徴とする請求項11に記載の荷電粒子線装置。
- 前記荷電粒子線装置が、電子顕微鏡装置または質量分析装置であることを特徴とする請求項11に記載の荷電粒子線装置。
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Application Number | Priority Date | Filing Date | Title |
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PCT/JP2019/027312 WO2021005743A1 (ja) | 2019-07-10 | 2019-07-10 | 荷電粒子線装置用シンチレータおよび荷電粒子線装置 |
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JPWO2021005743A1 JPWO2021005743A1 (ja) | 2021-01-14 |
JP7218437B2 true JP7218437B2 (ja) | 2023-02-06 |
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JP2021530422A Active JP7218437B2 (ja) | 2019-07-10 | 2019-07-10 | 荷電粒子線装置用シンチレータおよび荷電粒子線装置 |
Country Status (7)
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US (1) | US11846736B2 (ja) |
EP (1) | EP3998623A4 (ja) |
JP (1) | JP7218437B2 (ja) |
KR (1) | KR20220007697A (ja) |
IL (1) | IL288718A (ja) |
TW (1) | TWI747313B (ja) |
WO (1) | WO2021005743A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US11846736B2 (en) * | 2019-07-10 | 2023-12-19 | Hitachi High-Tech Corporation | Scintillator for charged particle beam apparatus and charged particle beam apparatus |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000319653A (ja) | 1999-05-12 | 2000-11-21 | Futaba Corp | GaN蛍光体 |
JP2006310819A (ja) | 2005-03-31 | 2006-11-09 | Showa Denko Kk | 窒化ガリウム系化合物半導体積層物およびその製造方法 |
JP2017135039A (ja) | 2016-01-29 | 2017-08-03 | 株式会社日立ハイテクノロジーズ | 荷電粒子検出器、及び荷電粒子線装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
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TWI304275B (en) | 2005-03-31 | 2008-12-11 | Showa Denko Kk | Gallium nitride-based compound semiconductor multilayer structure and production method thereof |
US7521777B2 (en) * | 2005-03-31 | 2009-04-21 | Showa Denko K.K. | Gallium nitride-based compound semiconductor multilayer structure and production method thereof |
TW201614870A (en) * | 2014-10-08 | 2016-04-16 | Toshiba Kk | Semiconductor light emitting device and method for manufacturing the same |
CZ306026B6 (cs) * | 2015-02-09 | 2016-06-29 | Crytur, Spol.S R.O. | Scintilační detektor pro detekci ionizujícího záření |
EP3357097B1 (en) * | 2015-10-01 | 2020-12-16 | Cree, Inc. | Low optical loss flip chip solid state lighting device |
JP6666626B2 (ja) * | 2017-01-31 | 2020-03-18 | 株式会社日立ハイテク | 荷電粒子検出器及び荷電粒子線装置 |
US11846736B2 (en) * | 2019-07-10 | 2023-12-19 | Hitachi High-Tech Corporation | Scintillator for charged particle beam apparatus and charged particle beam apparatus |
JP7373391B2 (ja) * | 2019-12-24 | 2023-11-02 | 株式会社日立ハイテク | シンチレータ、計測装置、質量分析装置および電子顕微鏡 |
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2019
- 2019-07-10 US US17/617,277 patent/US11846736B2/en active Active
- 2019-07-10 EP EP19937134.5A patent/EP3998623A4/en active Pending
- 2019-07-10 JP JP2021530422A patent/JP7218437B2/ja active Active
- 2019-07-10 WO PCT/JP2019/027312 patent/WO2021005743A1/ja unknown
- 2019-07-10 KR KR1020217040988A patent/KR20220007697A/ko not_active Application Discontinuation
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2020
- 2020-06-05 TW TW109118920A patent/TWI747313B/zh active
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- 2021-12-06 IL IL288718A patent/IL288718A/en unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000319653A (ja) | 1999-05-12 | 2000-11-21 | Futaba Corp | GaN蛍光体 |
JP2006310819A (ja) | 2005-03-31 | 2006-11-09 | Showa Denko Kk | 窒化ガリウム系化合物半導体積層物およびその製造方法 |
JP2017135039A (ja) | 2016-01-29 | 2017-08-03 | 株式会社日立ハイテクノロジーズ | 荷電粒子検出器、及び荷電粒子線装置 |
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Publication number | Publication date |
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IL288718A (en) | 2022-02-01 |
TWI747313B (zh) | 2021-11-21 |
EP3998623A4 (en) | 2023-04-19 |
EP3998623A1 (en) | 2022-05-18 |
WO2021005743A1 (ja) | 2021-01-14 |
US11846736B2 (en) | 2023-12-19 |
US20220244412A1 (en) | 2022-08-04 |
TW202103203A (zh) | 2021-01-16 |
KR20220007697A (ko) | 2022-01-18 |
JPWO2021005743A1 (ja) | 2021-01-14 |
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