FR2492159A1 - Ecran convertisseur de neutrons, intensificateur d'images comprenant un tel ecran - Google Patents
Ecran convertisseur de neutrons, intensificateur d'images comprenant un tel ecran Download PDFInfo
- Publication number
- FR2492159A1 FR2492159A1 FR8021944A FR8021944A FR2492159A1 FR 2492159 A1 FR2492159 A1 FR 2492159A1 FR 8021944 A FR8021944 A FR 8021944A FR 8021944 A FR8021944 A FR 8021944A FR 2492159 A1 FR2492159 A1 FR 2492159A1
- Authority
- FR
- France
- Prior art keywords
- screen
- grains
- layer
- photocathode
- neutron
- 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.)
- Granted
Links
- 238000006243 chemical reaction Methods 0.000 title description 9
- DQZARQCHJNPXQP-UHFFFAOYSA-N gadolinium;sulfur monoxide Chemical compound [Gd].S=O DQZARQCHJNPXQP-UHFFFAOYSA-N 0.000 title 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 14
- 239000011707 mineral Substances 0.000 claims abstract description 14
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 7
- 229910052777 Praseodymium Inorganic materials 0.000 claims abstract description 6
- 229910052771 Terbium Inorganic materials 0.000 claims abstract description 6
- 239000002019 doping agent Substances 0.000 claims abstract description 6
- 230000004907 flux Effects 0.000 claims abstract description 4
- 230000009471 action Effects 0.000 claims description 4
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 claims description 3
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical group [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 claims description 3
- MCVAAHQLXUXWLC-UHFFFAOYSA-N [O-2].[O-2].[S-2].[Gd+3].[Gd+3] Chemical compound [O-2].[O-2].[S-2].[Gd+3].[Gd+3] MCVAAHQLXUXWLC-UHFFFAOYSA-N 0.000 claims description 2
- 230000000284 resting effect Effects 0.000 claims 1
- 230000035945 sensitivity Effects 0.000 abstract description 5
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
- 239000000463 material Substances 0.000 description 11
- 230000005855 radiation Effects 0.000 description 7
- 239000011230 binding agent Substances 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 5
- 229910052688 Gadolinium Inorganic materials 0.000 description 4
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 description 4
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 125000001475 halogen functional group Chemical group 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 229910052984 zinc sulfide Inorganic materials 0.000 description 2
- 206010001497 Agitation Diseases 0.000 description 1
- 239000000020 Nitrocellulose Substances 0.000 description 1
- 239000005083 Zinc sulfide Substances 0.000 description 1
- FJWGYAHXMCUOOM-QHOUIDNNSA-N [(2s,3r,4s,5r,6r)-2-[(2r,3r,4s,5r,6s)-4,5-dinitrooxy-2-(nitrooxymethyl)-6-[(2r,3r,4s,5r,6s)-4,5,6-trinitrooxy-2-(nitrooxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-3,5-dinitrooxy-6-(nitrooxymethyl)oxan-4-yl] nitrate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O)O[C@H]1[C@@H]([C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@@H](CO[N+]([O-])=O)O1)O[N+]([O-])=O)CO[N+](=O)[O-])[C@@H]1[C@@H](CO[N+]([O-])=O)O[C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O FJWGYAHXMCUOOM-QHOUIDNNSA-N 0.000 description 1
- 229910052946 acanthite Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000010436 fluorite Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920001220 nitrocellulos Polymers 0.000 description 1
- 229940079938 nitrocellulose Drugs 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000002601 radiography Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- -1 silica for example Chemical class 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- XUARKZBEFFVFRG-UHFFFAOYSA-N silver sulfide Chemical compound [S-2].[Ag+].[Ag+] XUARKZBEFFVFRG-UHFFFAOYSA-N 0.000 description 1
- 229940056910 silver sulfide Drugs 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 229910052950 sphalerite Inorganic materials 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 238000001429 visible spectrum Methods 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
- H01J29/10—Screens on or from which an image or pattern is formed, picked up, converted or stored
- H01J29/36—Photoelectric screens; Charge-storage screens
- H01J29/38—Photoelectric screens; Charge-storage screens not using charge storage, e.g. photo-emissive screen, extended cathode
- H01J29/385—Photocathodes comprising a layer which modified the wave length of impinging radiation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T3/00—Measuring neutron radiation
- G01T3/06—Measuring neutron radiation with scintillation detectors
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)
- Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8021944A FR2492159A1 (fr) | 1980-10-14 | 1980-10-14 | Ecran convertisseur de neutrons, intensificateur d'images comprenant un tel ecran |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8021944A FR2492159A1 (fr) | 1980-10-14 | 1980-10-14 | Ecran convertisseur de neutrons, intensificateur d'images comprenant un tel ecran |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2492159A1 true FR2492159A1 (fr) | 1982-04-16 |
| FR2492159B1 FR2492159B1 (https=) | 1983-04-29 |
Family
ID=9246867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8021944A Granted FR2492159A1 (fr) | 1980-10-14 | 1980-10-14 | Ecran convertisseur de neutrons, intensificateur d'images comprenant un tel ecran |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2492159A1 (https=) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0682268A3 (en) * | 1994-05-10 | 1998-03-18 | Yeda Research And Development Company, Ltd. | Solid radiation converter for use in neutron imaging detectors |
| WO2003075037A1 (en) * | 2002-03-01 | 2003-09-12 | American Science And Engineering, Inc. | Detectors of x-rays and neutrons |
| US7538325B2 (en) | 2000-02-10 | 2009-05-26 | American Science And Engineering, Inc. | Single-pulse-switched multiple energy X-ray source applications |
| US8325871B2 (en) | 2000-03-28 | 2012-12-04 | American Science And Engineering, Inc. | Radiation threat detection |
| US10901113B2 (en) | 2015-03-20 | 2021-01-26 | Rapiscan Systems, Inc. | Hand-held portable backscatter inspection system |
| US11143783B2 (en) | 2002-07-23 | 2021-10-12 | Rapiscan Systems, Inc. | Four-sided imaging system and method for detection of contraband |
| US11175245B1 (en) | 2020-06-15 | 2021-11-16 | American Science And Engineering, Inc. | Scatter X-ray imaging with adaptive scanning beam intensity |
| US11340361B1 (en) | 2020-11-23 | 2022-05-24 | American Science And Engineering, Inc. | Wireless transmission detector panel for an X-ray scanner |
| US11525930B2 (en) | 2018-06-20 | 2022-12-13 | American Science And Engineering, Inc. | Wavelength-shifting sheet-coupled scintillation detectors |
| US11579327B2 (en) | 2012-02-14 | 2023-02-14 | American Science And Engineering, Inc. | Handheld backscatter imaging systems with primary and secondary detector arrays |
| US12235226B2 (en) | 2012-02-03 | 2025-02-25 | Rapiscan Systems, Inc. | Combined scatter and transmission multi-view imaging system |
| US12283389B2 (en) | 2021-10-01 | 2025-04-22 | Rapiscan Holdings, Inc. | Methods and systems for the concurrent generation of multiple substantially similar X-ray beams |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2205674A1 (https=) * | 1972-11-03 | 1974-05-31 | Agfa Gevaert |
-
1980
- 1980-10-14 FR FR8021944A patent/FR2492159A1/fr active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2205674A1 (https=) * | 1972-11-03 | 1974-05-31 | Agfa Gevaert |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0682268A3 (en) * | 1994-05-10 | 1998-03-18 | Yeda Research And Development Company, Ltd. | Solid radiation converter for use in neutron imaging detectors |
| US7538325B2 (en) | 2000-02-10 | 2009-05-26 | American Science And Engineering, Inc. | Single-pulse-switched multiple energy X-ray source applications |
| US8325871B2 (en) | 2000-03-28 | 2012-12-04 | American Science And Engineering, Inc. | Radiation threat detection |
| US9841386B2 (en) | 2000-03-28 | 2017-12-12 | American Science And Engineering, Inc. | Radiation threat detection |
| WO2003075037A1 (en) * | 2002-03-01 | 2003-09-12 | American Science And Engineering, Inc. | Detectors of x-rays and neutrons |
| US11143783B2 (en) | 2002-07-23 | 2021-10-12 | Rapiscan Systems, Inc. | Four-sided imaging system and method for detection of contraband |
| US12235226B2 (en) | 2012-02-03 | 2025-02-25 | Rapiscan Systems, Inc. | Combined scatter and transmission multi-view imaging system |
| US11579327B2 (en) | 2012-02-14 | 2023-02-14 | American Science And Engineering, Inc. | Handheld backscatter imaging systems with primary and secondary detector arrays |
| US11300703B2 (en) | 2015-03-20 | 2022-04-12 | Rapiscan Systems, Inc. | Hand-held portable backscatter inspection system |
| US11561320B2 (en) | 2015-03-20 | 2023-01-24 | Rapiscan Systems, Inc. | Hand-held portable backscatter inspection system |
| US10901113B2 (en) | 2015-03-20 | 2021-01-26 | Rapiscan Systems, Inc. | Hand-held portable backscatter inspection system |
| US12259518B2 (en) | 2015-03-20 | 2025-03-25 | Rapiscan Systems, Inc. | Hand-held portable backscatter inspection system |
| US11525930B2 (en) | 2018-06-20 | 2022-12-13 | American Science And Engineering, Inc. | Wavelength-shifting sheet-coupled scintillation detectors |
| US11175245B1 (en) | 2020-06-15 | 2021-11-16 | American Science And Engineering, Inc. | Scatter X-ray imaging with adaptive scanning beam intensity |
| US11340361B1 (en) | 2020-11-23 | 2022-05-24 | American Science And Engineering, Inc. | Wireless transmission detector panel for an X-ray scanner |
| US11726218B2 (en) | 2020-11-23 | 2023-08-15 | American Science arid Engineering, Inc. | Methods and systems for synchronizing backscatter signals and wireless transmission signals in x-ray scanning |
| US12283389B2 (en) | 2021-10-01 | 2025-04-22 | Rapiscan Holdings, Inc. | Methods and systems for the concurrent generation of multiple substantially similar X-ray beams |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2492159B1 (https=) | 1983-04-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |