CA1011939A - X-ray image converters utilizing lanthanum and gadolinium oxyhalide luminous materials activated with thulium - Google Patents
X-ray image converters utilizing lanthanum and gadolinium oxyhalide luminous materials activated with thuliumInfo
- Publication number
- CA1011939A CA1011939A CA178,694A CA178694A CA1011939A CA 1011939 A CA1011939 A CA 1011939A CA 178694 A CA178694 A CA 178694A CA 1011939 A CA1011939 A CA 1011939A
- Authority
- CA
- Canada
- Prior art keywords
- thulium
- ray image
- luminous materials
- image converters
- materials activated
- 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
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
- C09K11/777—Oxyhalogenides
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US28121772A | 1972-08-16 | 1972-08-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1011939A true CA1011939A (en) | 1977-06-14 |
Family
ID=23076422
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA178,694A Expired CA1011939A (en) | 1972-08-16 | 1973-08-13 | X-ray image converters utilizing lanthanum and gadolinium oxyhalide luminous materials activated with thulium |
Country Status (7)
Country | Link |
---|---|
US (1) | US3795814A (de) |
JP (1) | JPS5727149B2 (de) |
CA (1) | CA1011939A (de) |
DE (1) | DE2339088C3 (de) |
FR (1) | FR2196725A5 (de) |
GB (1) | GB1447508A (de) |
NL (1) | NL7311220A (de) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49149664U (de) * | 1973-04-28 | 1974-12-25 | ||
US3936644A (en) * | 1974-03-14 | 1976-02-03 | General Electric Company | Multi-layer X-ray screens |
JPS5339277B2 (de) * | 1975-03-26 | 1978-10-20 | ||
GB1501267A (en) * | 1975-04-04 | 1978-02-15 | Ciba Geigy Ag | X-ray screens |
JPS5319719A (en) * | 1976-08-09 | 1978-02-23 | Nippon Telegr & Teleph Corp <Ntt> | Push type pen for data input |
GB1595931A (en) * | 1976-12-13 | 1981-08-19 | Gen Electric | X-ray image converters and phosphors |
US4070583A (en) * | 1976-12-13 | 1978-01-24 | General Electric Company | Rare earth oxyhalide phosphors coactivated with terbium, thulium |
US4374905A (en) * | 1976-12-13 | 1983-02-22 | General Electric Company | X-Ray intensifying screen |
US4088894A (en) * | 1976-12-13 | 1978-05-09 | General Electric Company | (Ba,Sr)F, (Cl,Br) : Eu+2 X-Ray image converters utilizing LaOBr (Tm,Tb) phosphors |
US4316092A (en) * | 1976-12-13 | 1982-02-16 | General Electric Company | X-Ray image converters utilizing rare earth admixtures |
US4297584A (en) * | 1977-04-11 | 1981-10-27 | Lockheed Missiles & Space Company, Inc. | Rare earth phosphors and phosphor screens |
US4360571A (en) * | 1977-08-22 | 1982-11-23 | General Electric Company | X-Ray intensifying screen |
US4224524A (en) * | 1978-01-16 | 1980-09-23 | Agfa-Gevaert N.V. | X-Ray image intensifying screens comprising rare-earth oxyhalide phosphor particles |
US4195228A (en) * | 1978-05-19 | 1980-03-25 | General Electric Company | Color contrast radiographic device |
US4208470A (en) * | 1978-11-03 | 1980-06-17 | General Electric Company | X-ray intensifying screen |
US4315979A (en) * | 1980-12-19 | 1982-02-16 | General Electric Company | Rare earth oxyhalide phosphor and x-ray image converters utilizing same |
GB2119396B (en) * | 1982-04-26 | 1985-11-20 | Gen Electric | Multi-layer x-ray screens |
US4478933A (en) * | 1982-04-26 | 1984-10-23 | General Electric Company | Multi-layer X-ray screens |
US4485308A (en) * | 1982-04-26 | 1984-11-27 | General Electric Company | Photo detection system |
US4578211A (en) * | 1983-04-08 | 1986-03-25 | General Electric Company | Process for the preparation of rare earth oxyhalide phosphor |
US4571305A (en) * | 1983-04-08 | 1986-02-18 | General Electric Company | Process for the preparation of rare earth oxyhalide phosphor |
US4532070A (en) * | 1983-04-08 | 1985-07-30 | General Electric Company | Process for the preparation of rare earth oxyhalide phosphor |
FR2554122B1 (fr) * | 1983-11-02 | 1987-03-20 | Rhone Poulenc Spec Chim | Nouvelle composition destinee au marquage de documents et procede de verification de l'authenticite de ces documents |
US4499159A (en) * | 1984-04-13 | 1985-02-12 | General Electric Company | X-ray image converters utilizing rare earth oxyhalide phosphors |
DD261169A1 (de) * | 1986-09-30 | 1988-10-19 | Univ Ernst Moritz Arndt | Kristalliner seltenerdaktiver lanthanoxidhalogenidleuchtstoff |
US4891527A (en) * | 1988-08-09 | 1990-01-02 | General Electric Company | Spherical phosphor aggregates, their preparation and use in X-ray screens |
DE69512645T2 (de) | 1995-07-07 | 2000-06-08 | Minnesota Mining & Mfg | Antistatischer Verstärkungsschirm für Röntgenstrahlen mit Fluoroalkylsulfonat-Salzen |
US5830629A (en) * | 1995-11-01 | 1998-11-03 | Eastman Kodak Company | Autoradiography assemblage using transparent screen |
US7534543B2 (en) * | 1996-04-15 | 2009-05-19 | 3M Innovative Properties Company | Texture control of thin film layers prepared via laser induced thermal imaging |
US5725989A (en) * | 1996-04-15 | 1998-03-10 | Chang; Jeffrey C. | Laser addressable thermal transfer imaging element with an interlayer |
EP0806860A1 (de) * | 1996-05-09 | 1997-11-12 | Minnesota Mining And Manufacturing Company | Gerät und Verfahren zum Verarbeiten und Digitalisieren von lichtempfindlichem photographischem Material |
US5998085A (en) * | 1996-07-23 | 1999-12-07 | 3M Innovative Properties | Process for preparing high resolution emissive arrays and corresponding articles |
US7015479B2 (en) * | 2003-07-31 | 2006-03-21 | Eastman Kodak Company | Digital film grain |
US7678526B2 (en) * | 2005-10-07 | 2010-03-16 | 3M Innovative Properties Company | Radiation curable thermal transfer elements |
US7396631B2 (en) * | 2005-10-07 | 2008-07-08 | 3M Innovative Properties Company | Radiation curable thermal transfer elements |
EP2411872A1 (de) | 2009-03-27 | 2012-02-01 | Carestream Health, Inc. | Radiografische silberhalogenidfilme mit integriertem entwickler |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1547872A1 (de) * | 1966-02-28 | 1970-02-19 | Fuji Photo Film Co Ltd | Verfahren zur Aufzeichnung eines radiographischen Bildes |
BE757817A (fr) * | 1969-10-21 | 1971-04-01 | Eastman Kodak Co | Composition fluorescente a base de sulfates mixtes de metaux alcalino-terreux, sa preparation et ses applications, notamment a la radiographi |
-
1972
- 1972-08-16 US US00281217A patent/US3795814A/en not_active Expired - Lifetime
-
1973
- 1973-07-30 JP JP8504373A patent/JPS5727149B2/ja not_active Expired
- 1973-08-02 DE DE2339088A patent/DE2339088C3/de not_active Expired
- 1973-08-13 CA CA178,694A patent/CA1011939A/en not_active Expired
- 1973-08-14 NL NL7311220A patent/NL7311220A/xx unknown
- 1973-08-16 GB GB3882573A patent/GB1447508A/en not_active Expired
- 1973-08-16 FR FR7329811A patent/FR2196725A5/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS4946588A (de) | 1974-05-04 |
NL7311220A (de) | 1974-02-19 |
JPS5727149B2 (de) | 1982-06-09 |
GB1447508A (en) | 1976-08-25 |
FR2196725A5 (de) | 1974-03-15 |
DE2339088C3 (de) | 1980-01-03 |
DE2339088B2 (de) | 1979-04-19 |
DE2339088A1 (de) | 1974-03-07 |
US3795814A (en) | 1974-03-05 |
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