DE3629180C2 - - Google Patents
Info
- Publication number
- DE3629180C2 DE3629180C2 DE3629180A DE3629180A DE3629180C2 DE 3629180 C2 DE3629180 C2 DE 3629180C2 DE 3629180 A DE3629180 A DE 3629180A DE 3629180 A DE3629180 A DE 3629180A DE 3629180 C2 DE3629180 C2 DE 3629180C2
- Authority
- DE
- Germany
- Prior art keywords
- additive
- scintillator
- light output
- range
- amount
- 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.)
- Expired
Links
- 239000000654 additive Substances 0.000 claims description 25
- 230000000996 additive effect Effects 0.000 claims description 19
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 238000005056 compaction Methods 0.000 claims description 12
- -1 Na2TiF6 Inorganic materials 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 230000005855 radiation Effects 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229910052688 Gadolinium Inorganic materials 0.000 claims description 2
- 229910020440 K2SiF6 Inorganic materials 0.000 claims description 2
- 229910020491 K2TiF6 Inorganic materials 0.000 claims description 2
- 229910020148 K2ZrF6 Inorganic materials 0.000 claims description 2
- 229910020261 KBF4 Inorganic materials 0.000 claims description 2
- 229910021135 KPF6 Inorganic materials 0.000 claims description 2
- 229910011131 Li2B4O7 Inorganic materials 0.000 claims description 2
- 229910007549 Li2SiF6 Inorganic materials 0.000 claims description 2
- 229910017665 NH4HF2 Inorganic materials 0.000 claims description 2
- 229910004883 Na2SiF6 Inorganic materials 0.000 claims description 2
- 229910019398 NaPF6 Inorganic materials 0.000 claims description 2
- 229910052771 Terbium Inorganic materials 0.000 claims description 2
- 229910001610 cryolite Inorganic materials 0.000 claims description 2
- 229910052746 lanthanum Inorganic materials 0.000 claims description 2
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 claims description 2
- 229910001496 lithium tetrafluoroborate Inorganic materials 0.000 claims description 2
- VBKNTGMWIPUCRF-UHFFFAOYSA-M potassium;fluoride;hydrofluoride Chemical compound F.[F-].[K+] VBKNTGMWIPUCRF-UHFFFAOYSA-M 0.000 claims description 2
- 229910001495 sodium tetrafluoroborate Inorganic materials 0.000 claims description 2
- BFXAWOHHDUIALU-UHFFFAOYSA-M sodium;hydron;difluoride Chemical compound F.[F-].[Na+] BFXAWOHHDUIALU-UHFFFAOYSA-M 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 229910052727 yttrium Inorganic materials 0.000 claims description 2
- 238000007731 hot pressing Methods 0.000 description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 238000001513 hot isostatic pressing Methods 0.000 description 6
- 229910052761 rare earth metal Inorganic materials 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 238000012856 packing Methods 0.000 description 4
- 229910052786 argon Inorganic materials 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 239000013081 microcrystal Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229910017673 NH4PF6 Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000002591 computed tomography Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-OUBTZVSYSA-N iron-52 Chemical compound [57Fe] XEEYBQQBJWHFJM-OUBTZVSYSA-N 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 description 1
- 229910000404 tripotassium phosphate Inorganic materials 0.000 description 1
- 235000019798 tripotassium phosphate Nutrition 0.000 description 1
Classifications
-
- 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
-
- 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
- G01T1/2018—Scintillation-photodiode combinations
- G01T1/20187—Position of the scintillator with respect to the photodiode, e.g. photodiode surrounding the crystal, the crystal surrounding the photodiode, shape or size of the scintillator
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural 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)
- Measurement Of Radiation (AREA)
- Luminescent Compositions (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19195185A JPS6252481A (ja) | 1985-09-02 | 1985-09-02 | 放射線検出器 |
| JP9833086 | 1986-04-30 | ||
| JP16184786A JPH0797139B2 (ja) | 1986-07-11 | 1986-07-11 | 放射線検出器 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3629180A1 DE3629180A1 (de) | 1987-03-19 |
| DE3629180C2 true DE3629180C2 (en, 2012) | 1989-04-20 |
Family
ID=27308633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19863629180 Granted DE3629180A1 (de) | 1985-09-02 | 1986-08-28 | Strahlungsdetektor |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4733088A (en, 2012) |
| DE (1) | DE3629180A1 (en, 2012) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10034227B4 (de) * | 1999-07-16 | 2007-02-08 | Kabushiki Kaisha Toshiba, Kawasaki | Keramisches Szintillatormaterial, Herstellungsverfahren hierfür und seine Verwendung |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4752424A (en) * | 1986-01-30 | 1988-06-21 | Kabushiki Kaisha Toshiba | Method of manufacturing a rare earth oxysulfide ceramic |
| US4783596A (en) * | 1987-06-08 | 1988-11-08 | General Electric Company | Solid state scintillator and treatment therefor |
| US4982095A (en) * | 1987-09-04 | 1991-01-01 | Hitachi, Ltd. | Multi-element type radiation detector |
| JPH02266287A (ja) * | 1989-04-07 | 1990-10-31 | Shin Etsu Chem Co Ltd | 放射線検出器 |
| DE4025980C1 (en, 2012) * | 1990-08-16 | 1991-11-28 | Siemens Ag, 8000 Muenchen, De | |
| DE4224931C2 (de) * | 1992-07-28 | 1995-11-23 | Siemens Ag | Verfahren zur Herstellung einer Szintillatorkeramik und deren Verwendung |
| DE4402258C2 (de) * | 1994-01-26 | 1996-06-20 | Siemens Ag | Leuchtstoff mit reduziertem Nachleuchten |
| DE4427021C2 (de) * | 1994-07-29 | 1996-05-30 | Siemens Ag | Leuchtstoff mit reduziertem Nachleuchten |
| DE4427022A1 (de) * | 1994-07-29 | 1996-02-01 | Siemens Ag | Leuchtstoff mit Zusatz zur Verringerung des Nachleuchtens |
| JP3777486B2 (ja) * | 1997-07-08 | 2006-05-24 | 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 |
| GB9714870D0 (en) * | 1997-07-15 | 1997-09-17 | Innovation Tk Limited | Telecine systems |
| DE10108553C2 (de) * | 2001-02-22 | 2003-06-05 | Siemens Ag | Verfahren zur Herstellung einer Szintillatorkeramik und Verwendung der Szintillatorkeramik |
| CN101074935B (zh) | 2006-05-19 | 2011-03-23 | 清华大学 | 探测器阵列及设备 |
| DE102007054700A1 (de) * | 2007-11-14 | 2009-05-20 | Forschungsinstitut für mineralische und metallische Werkstoffe, Edelsteine/Edelmetalle GmbH | Szintillatorelement sowie Festkörperstrahlungsdetektor mit solchem |
| RU2516129C2 (ru) * | 2012-03-19 | 2014-05-20 | Общество с ограниченной ответственностью научно-производственная фирма "ЛЮМ" | Быстрокинетирующий инфракрасный люминофор на основе оксисульфидов иттрия и лантана |
| JP2017167030A (ja) * | 2016-03-17 | 2017-09-21 | 株式会社日立ハイテクサイエンス | Ｘ線分析装置 |
| JP6984599B2 (ja) | 2016-07-27 | 2021-12-22 | 三菱ケミカル株式会社 | 焼結蛍光体、発光装置、照明装置及び車両用表示灯 |
| WO2018105611A1 (ja) | 2016-12-06 | 2018-06-14 | 株式会社 東芝 | シンチレータアレイ、シンチレータアレイを製造する方法、放射線検出器、および放射線検査装置 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7703295A (nl) * | 1977-03-28 | 1978-10-02 | Philips Nv | Roentgendetektor. |
| US4242221A (en) * | 1977-11-21 | 1980-12-30 | General Electric Company | Ceramic-like scintillators |
| JPS56151376A (en) * | 1980-04-25 | 1981-11-24 | Hitachi Ltd | Radiation detector |
| US4421671A (en) * | 1982-06-18 | 1983-12-20 | General Electric Company | Rare-earth-doped yttria-gadolinia ceramic scintillators |
-
1986
- 1986-08-11 US US06/895,455 patent/US4733088A/en not_active Expired - Lifetime
- 1986-08-28 DE DE19863629180 patent/DE3629180A1/de active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10034227B4 (de) * | 1999-07-16 | 2007-02-08 | Kabushiki Kaisha Toshiba, Kawasaki | Keramisches Szintillatormaterial, Herstellungsverfahren hierfür und seine Verwendung |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3629180A1 (de) | 1987-03-19 |
| US4733088A (en) | 1988-03-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8328 | Change in the person/name/address of the agent |
Free format text: STREHL, P., DIPL.-ING. DIPL.-WIRTSCH.-ING. SCHUEBEL-HOPF, U., DIPL.-CHEM. DR.RER.NAT. GROENING, H.,DIPL.-ING., PAT.-ANWAELTE, 8000 MUENCHEN |
|
| 8327 | Change in the person/name/address of the patent owner |
Owner name: HITACHI MEDICAL CORP., TOKIO/TOKYO, JP HITACHI MET |