FR1464976A - Phosphores comprenant principalement des oxydes de terres rares qui sont activés àl'europium - Google Patents
Phosphores comprenant principalement des oxydes de terres rares qui sont activés àl'europium Download PDFInfo
- Publication number
- FR1464976A FR1464976A FR43505A FR43505A FR1464976A FR 1464976 A FR1464976 A FR 1464976A FR 43505 A FR43505 A FR 43505A FR 43505 A FR43505 A FR 43505A FR 1464976 A FR1464976 A FR 1464976A
- Authority
- FR
- France
- Prior art keywords
- sep
- europium
- activated
- oxide
- phosphors
- 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
- 229910052693 Europium Inorganic materials 0.000 title claims description 23
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 title claims description 9
- 229910001404 rare earth metal oxide Inorganic materials 0.000 title claims description 4
- 229910021538 borax Inorganic materials 0.000 claims description 16
- 239000004328 sodium tetraborate Substances 0.000 claims description 16
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 16
- -1 Europium-activated gadolinium oxide Chemical class 0.000 claims description 14
- CMIHHWBVHJVIGI-UHFFFAOYSA-N gadolinium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Gd+3].[Gd+3] CMIHHWBVHJVIGI-UHFFFAOYSA-N 0.000 claims description 9
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 claims description 8
- 229910001938 gadolinium oxide Inorganic materials 0.000 claims description 6
- 229940075613 gadolinium oxide Drugs 0.000 claims description 6
- 229910052698 phosphorus Inorganic materials 0.000 claims description 6
- 239000011574 phosphorus Substances 0.000 claims description 6
- RUDFQVOCFDJEEF-UHFFFAOYSA-N oxygen(2-);yttrium(3+) Chemical class [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 claims description 4
- VPYVGHGNVQXIEY-UHFFFAOYSA-N gadolinium(3+);oxygen(2-);yttrium(3+) Chemical compound [O-2].[O-2].[O-2].[Y+3].[Gd+3] VPYVGHGNVQXIEY-UHFFFAOYSA-N 0.000 claims 1
- 150000003017 phosphorus Chemical class 0.000 claims 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 6
- 238000001354 calcination Methods 0.000 description 5
- 238000002425 crystallisation Methods 0.000 description 5
- 230000008025 crystallization Effects 0.000 description 5
- 230000004907 flux Effects 0.000 description 5
- 239000000470 constituent Substances 0.000 description 4
- 238000000295 emission spectrum Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000013078 crystal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229910016653 EuF3 Inorganic materials 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000002308 calcification Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 description 1
- 150000002251 gadolinium compounds Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- C09K11/7783—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals one of which being europium
- C09K11/7784—Chalcogenides
- C09K11/7787—Oxides
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Luminescent Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7420764 | 1964-12-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1464976A true FR1464976A (fr) | 1967-01-06 |
Family
ID=13540496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR43505A Expired FR1464976A (fr) | 1964-12-23 | 1965-12-23 | Phosphores comprenant principalement des oxydes de terres rares qui sont activés àl'europium |
Country Status (5)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3507803A (en) * | 1966-07-29 | 1970-04-21 | Philips Corp | Europium activated gadolinium or yttrium borate-vanadate |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3870650A (en) * | 1971-06-21 | 1975-03-11 | Gte Sylvania Inc | Europium-activated rare earth oxide phosphors |
| US3992645A (en) * | 1975-07-02 | 1976-11-16 | General Electric Company | Magnesium aluminate gallate phosphors and reprographic lamp containing same |
| JPS5254690A (en) * | 1975-10-31 | 1977-05-04 | Dainippon Toryo Co Ltd | Gas discharge luminous element |
| US4518545A (en) * | 1982-06-18 | 1985-05-21 | General Electric Company | Method for sintering high density yttria-gadolinia ceramic scintillators |
| US4466930A (en) * | 1982-06-18 | 1984-08-21 | General Electric Company | Preparation of yttria-gadolinia ceramic scintillators by vacuum hot pressing |
| US4473513A (en) * | 1982-06-18 | 1984-09-25 | General Electric Company | Method for sintering high density yttria-gadolinia ceramic scintillators |
| US4571312A (en) * | 1982-06-18 | 1986-02-18 | General Electric Company | Preparation of yttria-gadolinia ceramic scintillators by sintering and gas hot isostatic pressing |
| US4466929A (en) * | 1982-06-18 | 1984-08-21 | General Electric Company | Preparation of yttria-gadolinia ceramic scintillators by vacuum hot pressing |
| US9346999B2 (en) * | 2011-09-29 | 2016-05-24 | General Electric Company | Method of forming efficient phosphor powders |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3250722A (en) * | 1961-11-06 | 1966-05-10 | Du Pont | Luminescent solid solutions of europium compounds with at least one other rare earthcompound |
| US3368980A (en) * | 1964-12-24 | 1968-02-13 | Gen Telephone & Elect | Method of preparing yttrium oxide phosphors |
-
1965
- 1965-12-13 US US513205A patent/US3458450A/en not_active Expired - Lifetime
- 1965-12-15 NL NL6516373A patent/NL6516373A/xx unknown
- 1965-12-22 DE DEM67750A patent/DE1300996B/de active Pending
- 1965-12-23 FR FR43505A patent/FR1464976A/fr not_active Expired
- 1965-12-23 GB GB54699/65A patent/GB1118800A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3507803A (en) * | 1966-07-29 | 1970-04-21 | Philips Corp | Europium activated gadolinium or yttrium borate-vanadate |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1300996B (de) | 1969-08-14 |
| US3458450A (en) | 1969-07-29 |
| NL6516373A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1966-06-24 |
| GB1118800A (en) | 1968-07-03 |
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