JP4429444B2 - 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 - Google Patents
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 Download PDFInfo
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- JP4429444B2 JP4429444B2 JP36729599A JP36729599A JP4429444B2 JP 4429444 B2 JP4429444 B2 JP 4429444B2 JP 36729599 A JP36729599 A JP 36729599A JP 36729599 A JP36729599 A JP 36729599A JP 4429444 B2 JP4429444 B2 JP 4429444B2
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- ray
- scintillator
- detector
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- 230000005855 radiation Effects 0.000 title claims description 26
- 229910052719 titanium Inorganic materials 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000000919 ceramic Substances 0.000 claims description 4
- 239000000843 powder Substances 0.000 description 15
- 238000005245 sintering Methods 0.000 description 14
- 229910052782 aluminium Inorganic materials 0.000 description 12
- 239000010949 copper Substances 0.000 description 12
- 239000010936 titanium Substances 0.000 description 12
- 229910052733 gallium Inorganic materials 0.000 description 11
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 9
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- 239000002994 raw material Substances 0.000 description 8
- 229910052688 Gadolinium Inorganic materials 0.000 description 7
- 229910052796 boron Inorganic materials 0.000 description 7
- 238000001514 detection method Methods 0.000 description 7
- 238000002834 transmittance Methods 0.000 description 7
- 229910052684 Cerium Inorganic materials 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 6
- 239000013078 crystal Substances 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- 229910052700 potassium Inorganic materials 0.000 description 6
- 230000035945 sensitivity Effects 0.000 description 6
- 229910052710 silicon Inorganic materials 0.000 description 6
- 229910004298 SiO 2 Inorganic materials 0.000 description 5
- 230000004907 flux Effects 0.000 description 5
- 239000002223 garnet Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 4
- 229910052939 potassium sulfate Inorganic materials 0.000 description 4
- 235000011151 potassium sulphates Nutrition 0.000 description 4
- 229910052727 yttrium Inorganic materials 0.000 description 4
- 229910005191 Ga 2 O 3 Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 229910052746 lanthanum Inorganic materials 0.000 description 3
- 238000004506 ultrasonic cleaning Methods 0.000 description 3
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 2
- 239000012190 activator Substances 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000009694 cold isostatic pressing Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000005540 biological transmission Effects 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
- 230000000903 blocking effect Effects 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000001513 hot isostatic pressing Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical group [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000001272 pressureless sintering Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000005406 washing 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
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
Images
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- Conversion Of X-Rays Into Visible Images (AREA)
- Measurement Of Radiation (AREA)
- Luminescent Compositions (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP36729599A JP4429444B2 (ja) | 1999-12-24 | 1999-12-24 | 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 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP36729599A JP4429444B2 (ja) | 1999-12-24 | 1999-12-24 | 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 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2001183463A JP2001183463A (ja) | 2001-07-06 |
| JP2001183463A5 JP2001183463A5 (https=) | 2007-02-08 |
| JP4429444B2 true JP4429444B2 (ja) | 2010-03-10 |
Family
ID=18488967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP36729599A Expired - Lifetime JP4429444B2 (ja) | 1999-12-24 | 1999-12-24 | 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 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4429444B2 (https=) |
Families Citing this family (11)
| 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。 |
| JP4087093B2 (ja) * | 2001-10-15 | 2008-05-14 | 株式会社日立メディコ | 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 |
| JP4191937B2 (ja) * | 2002-02-15 | 2008-12-03 | 株式会社日立製作所 | 白色光源及びそれを用いた画像表示装置 |
| CN100354389C (zh) * | 2003-10-09 | 2007-12-12 | 中国科学院上海硅酸盐研究所 | 铝酸钆基发光薄膜材料芯片及其制备方法 |
| 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 |
| JP5212115B2 (ja) * | 2007-02-02 | 2013-06-19 | 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 |
| 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 |
| 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 |
| JP5505782B2 (ja) * | 2010-01-27 | 2014-05-28 | 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 |
| EP2634233B1 (en) | 2010-10-29 | 2019-10-23 | Hitachi Metals, Ltd. | Polycrystalline scintillator for detecting soft x-rays |
| JP6590699B2 (ja) * | 2013-01-23 | 2019-10-16 | ユニバーシティ オブ テネシー リサーチ ファウンデーション | ガーネット型シンチレータのシンチレーション及び光学特性を改変するための共ドーピング方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL68676A (en) * | 1982-06-18 | 1986-07-31 | Gen Electric | Rare-earth-doped yttria gadolinia ceramic scintillators and methods for making |
| CA2042263A1 (en) * | 1990-06-29 | 1991-12-30 | Charles D. Greskovich | Transparent polycrystalline garnets |
| JP2989089B2 (ja) * | 1993-07-30 | 1999-12-13 | 日立金属株式会社 | セラミックスシンチレータ材料 |
| JP3419280B2 (ja) * | 1996-11-05 | 2003-06-23 | 日亜化学工業株式会社 | 発光装置 |
| JP3617587B2 (ja) * | 1997-07-17 | 2005-02-09 | 日亜化学工業株式会社 | 発光ダイオード及びその形成方法 |
| US6458295B1 (en) * | 1997-12-24 | 2002-10-01 | Hitachi Medical Corporation | Phosphors, and radiation detectors and X-ray CT unit made by using the same |
-
1999
- 1999-12-24 JP JP36729599A patent/JP4429444B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2001183463A (ja) | 2001-07-06 |
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