JP4087093B2 - 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 - Google Patents
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 Download PDFInfo
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- JP4087093B2 JP4087093B2 JP2001316658A JP2001316658A JP4087093B2 JP 4087093 B2 JP4087093 B2 JP 4087093B2 JP 2001316658 A JP2001316658 A JP 2001316658A JP 2001316658 A JP2001316658 A JP 2001316658A JP 4087093 B2 JP4087093 B2 JP 4087093B2
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- phosphor
- phosphor element
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- radiation
- radiation detector
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- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title claims description 99
- 230000005855 radiation Effects 0.000 title claims description 64
- 239000000843 powder Substances 0.000 claims description 63
- 239000013078 crystal Substances 0.000 claims description 40
- 238000005245 sintering Methods 0.000 claims description 38
- 230000035945 sensitivity Effects 0.000 claims description 30
- 238000002834 transmittance Methods 0.000 claims description 22
- 239000002245 particle Substances 0.000 claims description 20
- 238000010521 absorption reaction Methods 0.000 claims description 18
- 229910052782 aluminium Inorganic materials 0.000 claims description 14
- 239000002994 raw material Substances 0.000 claims description 14
- 229910052733 gallium Inorganic materials 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 239000002223 garnet Substances 0.000 claims description 9
- 229910052688 Gadolinium Inorganic materials 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims 3
- 230000002194 synthesizing effect Effects 0.000 claims 3
- 238000000034 method Methods 0.000 description 26
- 239000011164 primary particle Substances 0.000 description 15
- 238000010304 firing Methods 0.000 description 12
- 239000000919 ceramic Substances 0.000 description 8
- 238000001514 detection method Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 3
- 229910005191 Ga 2 O 3 Inorganic materials 0.000 description 3
- 238000000975 co-precipitation Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 2
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 description 1
- 229910016036 BaF 2 Inorganic materials 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- -1 K 2 SO 4 Chemical compound 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 235000012538 ammonium bicarbonate Nutrition 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000002059 diagnostic imaging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000000462 isostatic pressing Methods 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 150000002642 lithium compounds Chemical class 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 150000003112 potassium compounds Chemical class 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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- Transforming Light Signals Into Electric Signals (AREA)
- Measurement Of Radiation (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Luminescent Compositions (AREA)
- Solid State Image Pick-Up Elements (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001316658A JP4087093B2 (ja) | 2001-10-15 | 2001-10-15 | 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 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001316658A JP4087093B2 (ja) | 2001-10-15 | 2001-10-15 | 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 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2003119070A JP2003119070A (ja) | 2003-04-23 |
| JP2003119070A5 JP2003119070A5 (enExample) | 2005-06-23 |
| JP4087093B2 true JP4087093B2 (ja) | 2008-05-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001316658A Expired - Lifetime JP4087093B2 (ja) | 2001-10-15 | 2001-10-15 | 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 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4087093B2 (enExample) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4623403B2 (ja) * | 2000-04-06 | 2011-02-02 | 日立金属株式会社 | 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。 |
| 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 |
| KR101459999B1 (ko) * | 2006-04-25 | 2014-11-10 | 코닌클리케 필립스 엔.브이. | 백색광을 생성하는 형광 조명 |
| CN101617023B (zh) | 2007-02-02 | 2013-09-25 | 日立金属株式会社 | 荧光材料及采用该荧光材料的闪烁器和放射线检测器 |
| JP5124226B2 (ja) * | 2007-10-01 | 2013-01-23 | 浜松ホトニクス株式会社 | 放射線検出器 |
| US8083968B2 (en) | 2008-03-10 | 2011-12-27 | Kabushiki Kaisha Toshiba | Solid scintillator, radiation detector, and X-ray tomographic imaging apparatus |
| JP5521412B2 (ja) | 2008-07-31 | 2014-06-11 | 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 |
| JP4457219B1 (ja) * | 2009-10-23 | 2010-04-28 | 学校法人立教学院 | 熱蛍光積層体、熱蛍光板状体、熱蛍光積層体の製造方法、熱蛍光板状体の製造方法、及び放射線の３次元線量分布の取得方法 |
| US8704182B2 (en) | 2008-12-01 | 2014-04-22 | Rikkyo Gakuin | Thermoluminescent layered product, thermoluminescent plate, method of producing thermoluminescent layered product, method of producing thermoluminescent plate and method of acquiring three-dimensional dose distribution of radiation |
| JP4431701B1 (ja) * | 2009-09-04 | 2010-03-17 | 学校法人立教学院 | 熱蛍光板状体の製造方法、熱蛍光積層体の製造方法、熱蛍光板状体、及び熱蛍光積層体 |
| JP5269634B2 (ja) * | 2009-02-02 | 2013-08-21 | 株式会社東芝 | 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 |
| JP5633573B2 (ja) | 2010-10-29 | 2014-12-03 | 日立金属株式会社 | 軟ｘ線検出用多結晶シンチレータ |
| WO2016021540A1 (ja) * | 2014-08-08 | 2016-02-11 | 東レ株式会社 | シンチレータパネル及び放射線検出器 |
| KR102475228B1 (ko) * | 2015-07-29 | 2022-12-07 | 엘지이노텍 주식회사 | 형광체 플레이트 조성물 및 이를 포함하는 차량 헤드램프용 형광체 플레이트 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0326946A (ja) * | 1989-06-26 | 1991-02-05 | Hitachi Metals Ltd | シンチレータ材料の線質特性の測定方法 |
| JP3524300B2 (ja) * | 1995-11-21 | 2004-05-10 | 株式会社東芝 | セラミックスシンチレータ、それを用いた放射線検出器および放射線検査装置 |
| JP3938470B2 (ja) * | 1997-12-24 | 2007-06-27 | 株式会社日立メディコ | 蛍光体及びそれを用いた放射線検出器及びｘ線ｃｔ装置 |
| JP4290282B2 (ja) * | 1999-06-23 | 2009-07-01 | 株式会社日立メディコ | 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 |
| JP4429444B2 (ja) * | 1999-12-24 | 2010-03-10 | 株式会社日立メディコ | シンチレータ、それを用いた放射線検出器及びｘ線ｃｔ装置 |
| JP4623403B2 (ja) * | 2000-04-06 | 2011-02-02 | 日立金属株式会社 | 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。 |
| JP2001294853A (ja) * | 2000-04-12 | 2001-10-23 | Hitachi Medical Corp | 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 |
-
2001
- 2001-10-15 JP JP2001316658A patent/JP4087093B2/ja not_active Expired - Lifetime
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| Publication number | Publication date |
|---|---|
| JP2003119070A (ja) | 2003-04-23 |
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