DE2745286C3 - Verfahren zur Verbesserung der Eigenschaften von Leuchtstoffen sowie Verwendung derselben - Google Patents
Verfahren zur Verbesserung der Eigenschaften von Leuchtstoffen sowie Verwendung derselbenInfo
- Publication number
- DE2745286C3 DE2745286C3 DE2745286A DE2745286A DE2745286C3 DE 2745286 C3 DE2745286 C3 DE 2745286C3 DE 2745286 A DE2745286 A DE 2745286A DE 2745286 A DE2745286 A DE 2745286A DE 2745286 C3 DE2745286 C3 DE 2745286C3
- Authority
- DE
- Germany
- Prior art keywords
- phosphors
- phosphor
- heated
- lanthanum
- gadolinium
- 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
- 238000000034 method Methods 0.000 title claims description 49
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 33
- 238000010438 heat treatment Methods 0.000 claims description 19
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 17
- 229910052760 oxygen Inorganic materials 0.000 claims description 16
- 239000001301 oxygen Substances 0.000 claims description 16
- 238000000227 grinding Methods 0.000 claims description 14
- 229910052746 lanthanum Inorganic materials 0.000 claims description 12
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 12
- 229910052688 Gadolinium Inorganic materials 0.000 claims description 8
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 7
- -1 rare Earth metal activated yttrium Chemical class 0.000 claims description 7
- 229910052771 Terbium Inorganic materials 0.000 claims description 6
- DQZARQCHJNPXQP-UHFFFAOYSA-N gadolinium;sulfur monoxide Chemical class [Gd].S=O DQZARQCHJNPXQP-UHFFFAOYSA-N 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 3
- NELOASAWODGZEB-UHFFFAOYSA-N [Gd].[Tb].O=S Chemical compound [Gd].[Tb].O=S NELOASAWODGZEB-UHFFFAOYSA-N 0.000 claims 1
- 239000002245 particle Substances 0.000 description 28
- 238000004020 luminiscence type Methods 0.000 description 15
- 239000000463 material Substances 0.000 description 13
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 8
- 230000035945 sensitivity Effects 0.000 description 7
- 229910052727 yttrium Inorganic materials 0.000 description 7
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 7
- 150000002910 rare earth metals Chemical class 0.000 description 6
- 230000005855 radiation Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000012190 activator Substances 0.000 description 3
- 230000005670 electromagnetic radiation Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052693 Europium Inorganic materials 0.000 description 2
- 239000005083 Zinc sulfide Substances 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
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000004455 differential thermal analysis Methods 0.000 description 2
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- UPIZSELIQBYSMU-UHFFFAOYSA-N lanthanum;sulfur monoxide Chemical compound [La].S=O UPIZSELIQBYSMU-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 230000004936 stimulating effect Effects 0.000 description 2
- 238000005496 tempering Methods 0.000 description 2
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 description 2
- 238000002411 thermogravimetry Methods 0.000 description 2
- 229910052984 zinc sulfide Inorganic materials 0.000 description 2
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 241000251730 Chondrichthyes Species 0.000 description 1
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 229910052689 Holmium Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- 229910052772 Samarium Inorganic materials 0.000 description 1
- 229910052775 Thulium Inorganic materials 0.000 description 1
- MOSURRVHVKOQHA-UHFFFAOYSA-N [Tb].[Dy] Chemical compound [Tb].[Dy] MOSURRVHVKOQHA-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- KJZYNXUDTRRSPN-UHFFFAOYSA-N holmium atom Chemical compound [Ho] KJZYNXUDTRRSPN-UHFFFAOYSA-N 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- PBYZMCDFOULPGH-UHFFFAOYSA-N tungstate Chemical compound [O-][W]([O-])(=O)=O PBYZMCDFOULPGH-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
- G21K4/00—Conversion screens for the conversion of the spatial distribution of X-rays or particle radiation into visible images, e.g. fluoroscopic screens
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
- C09K11/7766—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals
- C09K11/7767—Chalcogenides
- C09K11/7769—Oxides
- C09K11/7771—Oxysulfides
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Luminescent Compositions (AREA)
- Conversion Of X-Rays Into Visible Images (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/746,034 US4107070A (en) | 1976-11-29 | 1976-11-29 | Process for improving the properties of oxysulfide phosphor materials |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2745286A1 DE2745286A1 (de) | 1978-06-01 |
| DE2745286B2 DE2745286B2 (de) | 1979-02-22 |
| DE2745286C3 true DE2745286C3 (de) | 1979-10-11 |
Family
ID=24999221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2745286A Expired DE2745286C3 (de) | 1976-11-29 | 1977-10-07 | Verfahren zur Verbesserung der Eigenschaften von Leuchtstoffen sowie Verwendung derselben |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4107070A (show.php) |
| JP (2) | JPS5368688A (show.php) |
| BE (1) | BE861318A (show.php) |
| CA (1) | CA1080957A (show.php) |
| DE (1) | DE2745286C3 (show.php) |
| FR (1) | FR2372220A1 (show.php) |
| GB (1) | GB1576368A (show.php) |
| IT (1) | IT1143769B (show.php) |
| NL (1) | NL7711753A (show.php) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4259588A (en) * | 1979-10-31 | 1981-03-31 | Eastman Kodak Company | Green-emitting X-ray intensifying screens |
| JPS62104893A (ja) * | 1985-10-31 | 1987-05-15 | Sony Corp | 小粒子螢光体の作製方法 |
| EP0299409B1 (en) * | 1987-07-16 | 1992-09-30 | Kasei Optonix, Ltd. | Radiographic intensifying screen |
| JPH02152196A (ja) * | 1988-12-03 | 1990-06-12 | Osaka Prefecture | 分散型ｅｌ素子 |
| US5952666A (en) * | 1997-02-12 | 1999-09-14 | Konica Corporation | Radiation image conversion panel |
| US6095882A (en) * | 1999-02-12 | 2000-08-01 | Micron Technology, Inc. | Method for forming emitters for field emission displays |
| US6627251B2 (en) * | 2001-04-19 | 2003-09-30 | Tdk Corporation | Phosphor thin film, preparation method, and EL panel |
| US6965071B2 (en) * | 2001-05-10 | 2005-11-15 | Parker-Hannifin Corporation | Thermal-sprayed metallic conformal coatings used as heat spreaders |
| US8050735B2 (en) * | 2005-09-08 | 2011-11-01 | Carestream Health, Inc. | Apparatus and method for multi-modal imaging |
| US20090281383A1 (en) * | 2005-09-08 | 2009-11-12 | Rao Papineni | Apparatus and method for external fluorescence imaging of internal regions of interest in a small animal using an endoscope for internal illumination |
| US8041409B2 (en) * | 2005-09-08 | 2011-10-18 | Carestream Health, Inc. | Method and apparatus for multi-modal imaging |
| US8203132B2 (en) | 2005-09-08 | 2012-06-19 | Carestream Health, Inc. | Apparatus and method for imaging ionizing radiation |
| US8660631B2 (en) * | 2005-09-08 | 2014-02-25 | Bruker Biospin Corporation | Torsional support apparatus and method for craniocaudal rotation of animals |
| US20100220836A1 (en) * | 2005-09-08 | 2010-09-02 | Feke Gilbert D | Apparatus and method for multi-modal imaging |
| JP5759374B2 (ja) * | 2008-08-07 | 2015-08-05 | コーニンクレッカ フィリップス エヌ ヴェ | 発光物質及びそれを用いた放射線検出方法 |
| US9638807B2 (en) | 2008-08-07 | 2017-05-02 | Koninklijke Philips N.V. | Scintillating material and related spectral filter |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3515675A (en) * | 1966-12-27 | 1970-06-02 | Lockheed Aircraft Corp | Method for making luminescent materials |
| NL6709191A (show.php) * | 1967-07-01 | 1969-01-03 | ||
| US3705858A (en) * | 1971-01-12 | 1972-12-12 | Eastman Kodak Co | Preparation of rare-earth-activated oxysulfide phosphors |
| US3725704A (en) * | 1971-01-28 | 1973-04-03 | Lockheed Aircraft Corp | Rare earth phosphors for x-ray conversion screens |
| US3904546A (en) * | 1971-10-01 | 1975-09-09 | United States Radium Corp | Silicon sensitized rare earth oxysulfide phosphors |
-
1976
- 1976-11-29 US US05/746,034 patent/US4107070A/en not_active Expired - Lifetime
-
1977
- 1977-10-07 DE DE2745286A patent/DE2745286C3/de not_active Expired
- 1977-10-26 NL NL7711753A patent/NL7711753A/xx not_active Application Discontinuation
- 1977-10-31 IT IT29205/77A patent/IT1143769B/it active
- 1977-11-16 CA CA291,071A patent/CA1080957A/en not_active Expired
- 1977-11-28 JP JP14257777A patent/JPS5368688A/ja active Granted
- 1977-11-29 GB GB49667/77A patent/GB1576368A/en not_active Expired
- 1977-11-29 BE BE183028A patent/BE861318A/xx not_active IP Right Cessation
- 1977-11-29 FR FR7735823A patent/FR2372220A1/fr active Granted
-
1979
- 1979-06-20 JP JP7796179A patent/JPS5526591A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB1576368A (en) | 1980-10-08 |
| NL7711753A (nl) | 1978-05-31 |
| DE2745286B2 (de) | 1979-02-22 |
| US4107070A (en) | 1978-08-15 |
| IT1143769B (it) | 1986-10-22 |
| FR2372220A1 (fr) | 1978-06-23 |
| JPS5526591A (en) | 1980-02-26 |
| BE861318A (fr) | 1978-05-29 |
| JPS559029B2 (show.php) | 1980-03-07 |
| FR2372220B1 (show.php) | 1980-06-13 |
| DE2745286A1 (de) | 1978-06-01 |
| CA1080957A (en) | 1980-07-08 |
| JPS5368688A (en) | 1978-06-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OAP | Request for examination filed | ||
| OD | Request for examination | ||
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |