JP2001294853A - 酸化物蛍光体及びそれを用いた放射線検出器、並びにｘ線ｃｔ装置 - Google Patents
酸化物蛍光体及びそれを用いた放射線検出器、並びにｘ線ｃｔ装置Info
- Publication number
- JP2001294853A JP2001294853A JP2000110774A JP2000110774A JP2001294853A JP 2001294853 A JP2001294853 A JP 2001294853A JP 2000110774 A JP2000110774 A JP 2000110774A JP 2000110774 A JP2000110774 A JP 2000110774A JP 2001294853 A JP2001294853 A JP 2001294853A
- Authority
- JP
- Japan
- Prior art keywords
- ray
- oxide phosphor
- phosphor
- mol
- detector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 230000005855 radiation Effects 0.000 title claims abstract description 51
- 230000035945 sensitivity Effects 0.000 claims abstract description 32
- 238000002834 transmittance Methods 0.000 claims abstract description 27
- 230000005284 excitation Effects 0.000 claims abstract description 3
- 150000001875 compounds Chemical class 0.000 claims description 23
- 229910052760 oxygen Inorganic materials 0.000 claims description 12
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 4
- 229910052688 Gadolinium Inorganic materials 0.000 claims description 3
- 150000001768 cations Chemical class 0.000 claims description 3
- 229910052733 gallium Inorganic materials 0.000 claims description 2
- 238000009792 diffusion process Methods 0.000 abstract description 6
- 238000000295 emission spectrum Methods 0.000 abstract description 2
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 239000000843 powder Substances 0.000 description 59
- 239000002994 raw material Substances 0.000 description 16
- 238000005245 sintering Methods 0.000 description 15
- 238000002156 mixing Methods 0.000 description 13
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 12
- 238000000034 method Methods 0.000 description 12
- 239000000654 additive Substances 0.000 description 11
- 230000000996 additive effect Effects 0.000 description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 10
- 239000001301 oxygen Substances 0.000 description 10
- 238000004513 sizing Methods 0.000 description 9
- 239000013078 crystal Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 238000001035 drying Methods 0.000 description 7
- 239000011812 mixed powder Substances 0.000 description 7
- 229910004298 SiO 2 Inorganic materials 0.000 description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 6
- 230000002194 synthesizing effect Effects 0.000 description 6
- 229910013553 LiNO Inorganic materials 0.000 description 5
- 239000002223 garnet Substances 0.000 description 5
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 4
- 229910005191 Ga 2 O 3 Inorganic materials 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 235000012431 wafers Nutrition 0.000 description 4
- 238000002441 X-ray diffraction Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000001513 hot isostatic pressing Methods 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910052761 rare earth metal Inorganic materials 0.000 description 3
- -1 rare-earth oxysulfide Chemical class 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 239000002775 capsule Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 229910001938 gadolinium oxide Inorganic materials 0.000 description 2
- 229940075613 gadolinium oxide Drugs 0.000 description 2
- CMIHHWBVHJVIGI-UHFFFAOYSA-N gadolinium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Gd+3].[Gd+3] CMIHHWBVHJVIGI-UHFFFAOYSA-N 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
- 230000002706 hydrostatic effect Effects 0.000 description 2
- 229910052746 lanthanum Inorganic materials 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 229910052727 yttrium Inorganic materials 0.000 description 2
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 101150051106 SWEET11 gene Proteins 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 229940125904 compound 1 Drugs 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- AJNVQOSZGJRYEI-UHFFFAOYSA-N digallium;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Ga+3].[Ga+3] AJNVQOSZGJRYEI-UHFFFAOYSA-N 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 229910001195 gallium oxide Inorganic materials 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000462 isostatic pressing Methods 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004846 x-ray emission Methods 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Luminescent Compositions (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Measurement Of Radiation (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000110774A JP2001294853A (ja) | 2000-04-12 | 2000-04-12 | 酸化物蛍光体及びそれを用いた放射線検出器、並びにｘ線ｃｔ装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000110774A JP2001294853A (ja) | 2000-04-12 | 2000-04-12 | 酸化物蛍光体及びそれを用いた放射線検出器、並びにｘ線ｃｔ装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001294853A true JP2001294853A (ja) | 2001-10-23 |
| JP2001294853A5 JP2001294853A5 (enExample) | 2007-05-31 |
Family
ID=18623231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000110774A Pending JP2001294853A (ja) | 2000-04-12 | 2000-04-12 | 酸化物蛍光体及びそれを用いた放射線検出器、並びにｘ線ｃｔ装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001294853A (enExample) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001348273A (ja) * | 2000-04-06 | 2001-12-18 | Hitachi Metals Ltd | セラミックス、セラミックス粉末の製造方法及びセラミックスの製造方法。 |
| JP2003119070A (ja) * | 2001-10-15 | 2003-04-23 | Hitachi Medical Corp | 蛍光体素子、それを用いた放射線検出器及び医用画像診断装置 |
| WO2006068130A1 (ja) * | 2004-12-21 | 2006-06-29 | Hitachi Metals, Ltd. | 蛍光材料およびその製造方法、蛍光材料を用いた放射線検出器、並びにｘ線ｃｔ装置 |
| JP2006234773A (ja) * | 2005-02-28 | 2006-09-07 | Japan Atomic Energy Agency | ガラス状化イメージングプレート |
| JP2007169647A (ja) * | 2005-12-22 | 2007-07-05 | General Electric Co <Ge> | シンチレータ物質及びシンチレータ物質を含む放射線検出器 |
| WO2008093869A1 (ja) | 2007-02-02 | 2008-08-07 | Hitachi Metals, Ltd. | 蛍光材料およびそれを用いたシンチレータ並びに放射線検出器 |
| EP2157153A1 (en) | 2008-07-31 | 2010-02-24 | Hitachi Metals, Ltd. | Fluorescent material, scintillator using same, and radiation detector using same |
| JP2010174211A (ja) * | 2009-02-02 | 2010-08-12 | Toshiba Corp | 固体シンチレータ、放射線検出器、放射線検査装置、固体シンチレータ製造用粉末および固体シンチレータの製造方法 |
| WO2010095737A1 (ja) * | 2009-02-23 | 2010-08-26 | 株式会社東芝 | 固体シンチレータ、放射線検出器およびｘ線断層写真撮影装置 |
| JP2010235388A (ja) * | 2009-03-31 | 2010-10-21 | World Lab:Kk | 透明セラミックス及びその製造方法並びにその透明セラミックスを用いたデバイス |
| WO2012057133A1 (ja) | 2010-10-29 | 2012-05-03 | 日立金属株式会社 | 軟x線検出用多結晶シンチレータ |
| JP2013227575A (ja) * | 2012-04-17 | 2013-11-07 | General Electric Co <Ge> | 希土類ガーネット・シンチレータおよびその製造方法 |
| JP2014526587A (ja) * | 2011-09-22 | 2014-10-06 | サン−ゴバン クリストー エ デテクトゥール | 希土類元素を含むシンチレーション化合物およびその形成プロセス |
| US9868900B2 (en) | 2010-11-16 | 2018-01-16 | Samuel Blahuta | Scintillation compound including a rare earth element and a process of forming the same |
| EP3407092A4 (en) * | 2017-03-31 | 2019-05-08 | Nippon Light Metal Co., Ltd. | DOSIMETER CONTAINERS AND DOSE GAUGES |
-
2000
- 2000-04-12 JP JP2000110774A patent/JP2001294853A/ja active Pending
Cited By (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001348273A (ja) * | 2000-04-06 | 2001-12-18 | Hitachi Metals Ltd | セラミックス、セラミックス粉末の製造方法及びセラミックスの製造方法。 |
| JP2003119070A (ja) * | 2001-10-15 | 2003-04-23 | Hitachi Medical Corp | 蛍光体素子、それを用いた放射線検出器及び医用画像診断装置 |
| US7595492B2 (en) | 2004-12-21 | 2009-09-29 | Hitachi Metals, Ltd. | Fluorescent material, a method of manufacturing the fluorescent material, a radiation detector using the fluorescent material, and an X-ray CT scanner |
| WO2006068130A1 (ja) * | 2004-12-21 | 2006-06-29 | Hitachi Metals, Ltd. | 蛍光材料およびその製造方法、蛍光材料を用いた放射線検出器、並びにｘ線ｃｔ装置 |
| JP2012177134A (ja) * | 2004-12-21 | 2012-09-13 | Hitachi Metals Ltd | 蛍光材料およびその製造方法、蛍光材料を用いた放射線検出器、並びにｘ線ｃｔ装置 |
| US7947956B2 (en) | 2004-12-21 | 2011-05-24 | Hitachi Metals, Ltd. | Fluorescent material, a method of manufacturing the fluorescent material, a radiation detector using the fluorescent material, and an X-ray CT scanner |
| JP2006234773A (ja) * | 2005-02-28 | 2006-09-07 | Japan Atomic Energy Agency | ガラス状化イメージングプレート |
| JP2007169647A (ja) * | 2005-12-22 | 2007-07-05 | General Electric Co <Ge> | シンチレータ物質及びシンチレータ物質を含む放射線検出器 |
| JPWO2008093869A1 (ja) * | 2007-02-02 | 2010-05-20 | 日立金属株式会社 | 蛍光材料およびそれを用いたシンチレータ並びに放射線検出器 |
| WO2008093869A1 (ja) | 2007-02-02 | 2008-08-07 | Hitachi Metals, Ltd. | 蛍光材料およびそれを用いたシンチレータ並びに放射線検出器 |
| US8410446B2 (en) | 2007-02-02 | 2013-04-02 | Hitachi Metals, Ltd. | Fluorescent material, scintillator using same, and radiation detector using same |
| EP2157153A1 (en) | 2008-07-31 | 2010-02-24 | Hitachi Metals, Ltd. | Fluorescent material, scintillator using same, and radiation detector using same |
| US8129685B2 (en) | 2008-07-31 | 2012-03-06 | Hitachi Metals, Ltd. | Fluorescent material, scintillator using same, and radiation detector using same |
| JP2010174211A (ja) * | 2009-02-02 | 2010-08-12 | Toshiba Corp | 固体シンチレータ、放射線検出器、放射線検査装置、固体シンチレータ製造用粉末および固体シンチレータの製造方法 |
| JP5686724B2 (ja) * | 2009-02-23 | 2015-03-18 | 株式会社東芝 | 固体シンチレータ、放射線検出器およびｘ線断層写真撮影装置 |
| WO2010095737A1 (ja) * | 2009-02-23 | 2010-08-26 | 株式会社東芝 | 固体シンチレータ、放射線検出器およびｘ線断層写真撮影装置 |
| US8377335B2 (en) | 2009-02-23 | 2013-02-19 | Kabushiki Kaisha Toshiba | Solid scintillator, radiation detector, and tomograph |
| JP2010235388A (ja) * | 2009-03-31 | 2010-10-21 | World Lab:Kk | 透明セラミックス及びその製造方法並びにその透明セラミックスを用いたデバイス |
| WO2012057133A1 (ja) | 2010-10-29 | 2012-05-03 | 日立金属株式会社 | 軟x線検出用多結晶シンチレータ |
| US8815122B2 (en) | 2010-10-29 | 2014-08-26 | Hitachi Metals, Ltd. | Polycrystalline scintillator for detecting soft X-rays |
| US10647916B2 (en) | 2010-11-16 | 2020-05-12 | Saint-Gobain Cristaux Et Detecteurs | Scintillation compound including a rare earth element in a tetravalent state |
| US9868900B2 (en) | 2010-11-16 | 2018-01-16 | Samuel Blahuta | Scintillation compound including a rare earth element and a process of forming the same |
| US10907096B2 (en) | 2010-11-16 | 2021-02-02 | Saint-Gobain Cristaux & Detecteurs | Scintillation compound including a rare earth element and a process of forming the same |
| US11926777B2 (en) | 2010-11-16 | 2024-03-12 | Luxium Solutions, Llc | Scintillation compound including a rare earth element and a process of forming the same |
| US12466998B2 (en) | 2010-11-16 | 2025-11-11 | Luxium Solutions, Llc | Scintillation compound including a rare earth element and a process of forming the same |
| JP2014526587A (ja) * | 2011-09-22 | 2014-10-06 | サン−ゴバン クリストー エ デテクトゥール | 希土類元素を含むシンチレーション化合物およびその形成プロセス |
| JP2013227575A (ja) * | 2012-04-17 | 2013-11-07 | General Electric Co <Ge> | 希土類ガーネット・シンチレータおよびその製造方法 |
| EP3407092A4 (en) * | 2017-03-31 | 2019-05-08 | Nippon Light Metal Co., Ltd. | DOSIMETER CONTAINERS AND DOSE GAUGES |
| US10877165B2 (en) | 2017-03-31 | 2020-12-29 | Nippon Light Metal Company, Ltd. | Dosimeter container and dosage measuring body |
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