JPH0144747B2 - - Google Patents
Info
- Publication number
- JPH0144747B2 JPH0144747B2 JP55054156A JP5415680A JPH0144747B2 JP H0144747 B2 JPH0144747 B2 JP H0144747B2 JP 55054156 A JP55054156 A JP 55054156A JP 5415680 A JP5415680 A JP 5415680A JP H0144747 B2 JPH0144747 B2 JP H0144747B2
- Authority
- JP
- Japan
- Prior art keywords
- phosphor
- radiation detector
- scintillator
- light
- radiation
- 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
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical group [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 64
- 230000005855 radiation Effects 0.000 claims description 36
- 239000002245 particle Substances 0.000 claims description 14
- 239000013078 crystal Substances 0.000 claims description 5
- 229910052801 chlorine Inorganic materials 0.000 claims description 3
- 229910052731 fluorine Inorganic materials 0.000 claims description 3
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 2
- 229910052794 bromium Inorganic materials 0.000 claims description 2
- 239000000203 mixture Substances 0.000 description 17
- 230000005284 excitation Effects 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 8
- 239000000843 powder Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000004020 luminiscence type Methods 0.000 description 7
- 239000002994 raw material Substances 0.000 description 7
- 238000005096 rolling process Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 229910052736 halogen Inorganic materials 0.000 description 5
- 150000002367 halogens Chemical class 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 229910021193 La 2 O 3 Inorganic materials 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- -1 (Gd Chemical compound 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- UAHZTKVCYHJBJQ-UHFFFAOYSA-N [P].S=O Chemical compound [P].S=O UAHZTKVCYHJBJQ-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 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
- 238000001354 calcination Methods 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 238000000295 emission spectrum Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 238000003325 tomography Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 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
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
- G01T1/2023—Selection of materials
-
- 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
- G01T1/2002—Optical details, e.g. reflecting or diffusing layers
Landscapes
- 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)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Luminescent Compositions (AREA)
- Measurement Of Radiation (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5415680A JPS56151376A (en) | 1980-04-25 | 1980-04-25 | Radiation detector |
| NL8102013A NL191155C (nl) | 1980-04-25 | 1981-04-23 | Stralingsdetector met scintillator op basis van een zeldzame aardmetaal-oxysulfide. |
| US06/257,426 US4442360A (en) | 1980-04-25 | 1981-04-24 | Radiation detector |
| DE3116382A DE3116382C2 (de) | 1980-04-25 | 1981-04-24 | Szintillator eines Szintillationsdetektors auf Basis eines ein Element der Gruppe Y, La und Gd, sowie Pr enthaltenden Oxysulfid-Leuchtstoffes |
| JP19063288A JPS6454093A (en) | 1980-04-25 | 1988-08-01 | Phosphor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5415680A JPS56151376A (en) | 1980-04-25 | 1980-04-25 | Radiation detector |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1811881A Division JPS604856B2 (ja) | 1981-02-12 | 1981-02-12 | けい光体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56151376A JPS56151376A (en) | 1981-11-24 |
| JPH0144747B2 true JPH0144747B2 (enExample) | 1989-09-29 |
Family
ID=12962678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5415680A Granted JPS56151376A (en) | 1980-04-25 | 1980-04-25 | Radiation detector |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4442360A (enExample) |
| JP (1) | JPS56151376A (enExample) |
| DE (1) | DE3116382C2 (enExample) |
| NL (1) | NL191155C (enExample) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58138774A (ja) * | 1982-02-12 | 1983-08-17 | Hitachi Chem Co Ltd | γ線検出器 |
| US4733088A (en) * | 1985-09-02 | 1988-03-22 | Hitachi, Ltd. | Radiation detector |
| US4982096A (en) * | 1988-01-06 | 1991-01-01 | Hitachi Medical Corporation | Multi-element radiation detector |
| JP2595027B2 (ja) * | 1988-03-23 | 1997-03-26 | 株式会社日立製作所 | セラミツクシンチレータの製造方法 |
| JP3454904B2 (ja) * | 1994-02-25 | 2003-10-06 | 株式会社東芝 | セラミックシンチレ―タおよびｘ線検出器 |
| 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 |
| US6496250B1 (en) | 2000-09-29 | 2002-12-17 | General Electric Company | Combinatorial method foe development of optical ceramics |
| US20020087073A1 (en) * | 2000-12-29 | 2002-07-04 | Hoffman David M. | CT detector reflector useful in detector scintillator array |
| JP4266114B2 (ja) * | 2003-02-10 | 2009-05-20 | 株式会社東芝 | シンチレータおよびそれを用いた放射線検査装置 |
| JP6105833B2 (ja) * | 2011-04-08 | 2017-03-29 | 株式会社東芝 | Ｘ線検出器及びｘ線検査装置 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3974389A (en) * | 1974-11-20 | 1976-08-10 | Gte Sylvania Incorporated | Terbium-activated rare earth oxysulfide X-ray phosphors |
| NL7703295A (nl) * | 1977-03-28 | 1978-10-02 | Philips Nv | Roentgendetektor. |
| JPS54179782U (enExample) * | 1978-06-09 | 1979-12-19 | ||
| JPS5821945B2 (ja) * | 1978-11-06 | 1983-05-04 | 株式会社日立製作所 | けい光体及びその製造方法 |
-
1980
- 1980-04-25 JP JP5415680A patent/JPS56151376A/ja active Granted
-
1981
- 1981-04-23 NL NL8102013A patent/NL191155C/xx not_active IP Right Cessation
- 1981-04-24 DE DE3116382A patent/DE3116382C2/de not_active Expired
- 1981-04-24 US US06/257,426 patent/US4442360A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE3116382A1 (de) | 1982-03-11 |
| JPS56151376A (en) | 1981-11-24 |
| NL191155C (nl) | 1995-02-16 |
| US4442360A (en) | 1984-04-10 |
| NL191155B (nl) | 1994-09-16 |
| NL8102013A (nl) | 1981-11-16 |
| DE3116382C2 (de) | 1984-12-20 |
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