BE861761A - Luminophore perfectionne a base d'oxyhalogenure de terres-rares - Google Patents
Luminophore perfectionne a base d'oxyhalogenure de terres-raresInfo
- Publication number
- BE861761A BE861761A BE183374A BE183374A BE861761A BE 861761 A BE861761 A BE 861761A BE 183374 A BE183374 A BE 183374A BE 183374 A BE183374 A BE 183374A BE 861761 A BE861761 A BE 861761A
- Authority
- BE
- Belgium
- Prior art keywords
- oxyhalogenide
- perfected
- rare
- earth
- luminophore
- Prior art date
Links
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
- C09K11/7766—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals
- C09K11/7767—Chalcogenides
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Luminescent Compositions (AREA)
- Conversion Of X-Rays Into Visible Images (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/750,200 US4070583A (en) | 1976-12-13 | 1976-12-13 | Rare earth oxyhalide phosphors coactivated with terbium, thulium |
Publications (1)
Publication Number | Publication Date |
---|---|
BE861761A true BE861761A (fr) | 1978-06-12 |
Family
ID=25016920
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE183374A BE861761A (fr) | 1976-12-13 | 1977-12-12 | Luminophore perfectionne a base d'oxyhalogenure de terres-rares |
Country Status (6)
Country | Link |
---|---|
US (1) | US4070583A (fr) |
JP (1) | JPS5375182A (fr) |
BE (1) | BE861761A (fr) |
DE (2) | DE2755381C3 (fr) |
FR (1) | FR2373599A1 (fr) |
GB (1) | GB1595486A (fr) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4316092A (en) * | 1976-12-13 | 1982-02-16 | General Electric Company | X-Ray image converters utilizing rare earth admixtures |
US4101781A (en) * | 1977-06-27 | 1978-07-18 | Hewlett-Packard Company | Stable fiber optic scintillative x-ray screen and method of production |
US4224524A (en) * | 1978-01-16 | 1980-09-23 | Agfa-Gevaert N.V. | X-Ray image intensifying screens comprising rare-earth oxyhalide phosphor particles |
US4246485A (en) * | 1978-03-22 | 1981-01-20 | Ciba-Geigy Aktiengesellschaft | X-ray intensifying screens |
US4208470A (en) * | 1978-11-03 | 1980-06-17 | General Electric Company | X-ray intensifying screen |
US4259588A (en) * | 1979-10-31 | 1981-03-31 | Eastman Kodak Company | Green-emitting X-ray intensifying screens |
US4315979A (en) * | 1980-12-19 | 1982-02-16 | General Electric Company | Rare earth oxyhalide phosphor and x-ray image converters utilizing same |
US4478933A (en) * | 1982-04-26 | 1984-10-23 | General Electric Company | Multi-layer X-ray screens |
GB2119396B (en) * | 1982-04-26 | 1985-11-20 | Gen Electric | Multi-layer x-ray screens |
US4499159A (en) * | 1984-04-13 | 1985-02-12 | General Electric Company | X-ray image converters utilizing rare earth oxyhalide phosphors |
US4757233A (en) * | 1984-12-21 | 1988-07-12 | Gte Laboratories Inc. | Efficient UV-emitting phosphors based on cerium-activated calcium pyrophosphate and lamps containing the same |
US4996003A (en) * | 1989-02-02 | 1991-02-26 | Eastman Kodak Company | Titanium activated hafnia and/or zirconia host phosphor containing a selected rare earth |
US4980559A (en) * | 1989-02-03 | 1990-12-25 | Eastman Kodak Company | X-ray intensifying screen including a titanium activated hafnium dioxide phospher containing europium to reduce afterglow |
US4963754A (en) * | 1989-02-03 | 1990-10-16 | Eastman Kodak Company | X-ray intensifying screen including a titanium activated hafnium dioxide phosphor containing thulium to reduce afterglow |
US4967087A (en) * | 1989-02-03 | 1990-10-30 | Eastman Kodak Company | X-ray intensifying screen including a titanium activated hafnium dioxide phosphor containing ytterbium to reduce afterglow |
US4963753A (en) * | 1989-02-03 | 1990-10-16 | Eastman Kodak Company | X-ray intensifying screen including a titanium activated hafnium dioxide phosphor containing gadolinium to reduce afterglow |
US4972516A (en) * | 1989-02-03 | 1990-11-20 | Eastman Kodak Company | X-ray intensifying screen including a titanium activated hafnium dioxide phosphur containing holmium to reduce afterglow |
US4972086A (en) * | 1989-02-03 | 1990-11-20 | Eastman Kodak Company | X-ray intensifying screen including a titanium activated hafnium dioxide phosphor containing erbium to reduce afterglow |
US4975588A (en) * | 1989-02-03 | 1990-12-04 | Eastman Kodak Company | X-ray intensifying screen including a titanium activated hafnium dioxide phosphor containing lutetium to reduce afterglow |
US5008034A (en) * | 1989-02-03 | 1991-04-16 | Eastman Kodak Company | Titanium activated hafnia and/or zirconia host phosphor containing neodymium |
US4967085A (en) * | 1989-02-03 | 1990-10-30 | Eastman Kodak Company | X-ray intensifying screen including a titanium activated hafnium dioxide phosphor containing neodymium to reduce afterglow |
US4983847A (en) * | 1989-11-16 | 1991-01-08 | Eastman Kodak Company | X-ray intensifying screen including a titanium activated hafnium dioxide phosphor containing indium |
US4990282A (en) * | 1989-11-16 | 1991-02-05 | Eastman Kodak Company | Titanium activated hafnia and/or zirconia host phosphor containing scandium |
US4992205A (en) * | 1989-11-16 | 1991-02-12 | Eastman Kodak Company | Titanium activated hafnia and/or zirconia host phosphor containing indium |
US4980560A (en) * | 1989-11-16 | 1990-12-25 | Eastman Kodak Company | X-ray intensifying screen including a titanium activated hafnium dioxide phosphor containing scandium |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1952812U (de) | 1966-10-14 | 1967-01-05 | Verwaltungsgesellschaft Moelle | Montagevorrichtung fuer schwere kuppelspindeln von walzwerken. |
US3617743A (en) * | 1968-10-23 | 1971-11-02 | Gen Electric | X-ray image convertors utilizing lanthanum and gadolinium oxyhalide luminescent materials activated with terbium |
BE757815A (fr) * | 1969-10-21 | 1971-04-01 | Eastman Kodak Co | Produit photosensible a ecran renforcateur pour la prise de vuephotographique |
BE792387A (nl) * | 1971-12-31 | 1973-06-07 | Agfa Gevaert Nv | Versterkingsschermen voor rontgenfotografie |
GB1422534A (en) * | 1972-05-31 | 1976-01-28 | Agfa Gevaert | Radiographic recording element and its use in radiography |
US3795814A (en) * | 1972-08-16 | 1974-03-05 | Gen Electric | X-ray image converters utilizing lanthanum and gadolinium oxyhalide luminous materials activated with thulium |
GB1477639A (en) * | 1974-03-11 | 1977-06-22 | Agfa Gevaert Nv | Photo-sensitive combination of elements suited for use in radiography |
-
1976
- 1976-12-13 US US05/750,200 patent/US4070583A/en not_active Expired - Lifetime
-
1977
- 1977-11-29 GB GB49565/77A patent/GB1595486A/en not_active Expired
- 1977-11-30 FR FR7736015A patent/FR2373599A1/fr active Granted
- 1977-12-02 JP JP14408177A patent/JPS5375182A/ja active Pending
- 1977-12-12 BE BE183374A patent/BE861761A/fr not_active IP Right Cessation
- 1977-12-12 DE DE2755381A patent/DE2755381C3/de not_active Expired
- 1977-12-12 DE DE2759699A patent/DE2759699C2/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2755381C3 (de) | 1981-02-05 |
DE2755381A1 (de) | 1978-06-15 |
FR2373599B1 (fr) | 1981-10-16 |
DE2759699C2 (de) | 1983-07-28 |
JPS5375182A (en) | 1978-07-04 |
FR2373599A1 (fr) | 1978-07-07 |
US4070583A (en) | 1978-01-24 |
GB1595486A (en) | 1981-08-12 |
DE2755381B2 (de) | 1980-04-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: GENERAL ELECTRIC CY Effective date: 19951231 |