GB1501267A - X-ray screens - Google Patents

X-ray screens

Info

Publication number
GB1501267A
GB1501267A GB13885/75A GB1388575A GB1501267A GB 1501267 A GB1501267 A GB 1501267A GB 13885/75 A GB13885/75 A GB 13885/75A GB 1388575 A GB1388575 A GB 1388575A GB 1501267 A GB1501267 A GB 1501267A
Authority
GB
United Kingdom
Prior art keywords
phosphor
screens
layer
film
rare earth
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
Application number
GB13885/75A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Novartis AG
Original Assignee
Ciba Geigy AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ciba Geigy AG filed Critical Ciba Geigy AG
Priority to GB13885/75A priority Critical patent/GB1501267A/en
Priority to US05/669,353 priority patent/US4011455A/en
Priority to JP51033683A priority patent/JPS51121490A/ja
Priority to FR7609499A priority patent/FR2306250A1/fr
Priority to DE19762614305 priority patent/DE2614305A1/de
Priority to BE165802A priority patent/BE840332A/xx
Publication of GB1501267A publication Critical patent/GB1501267A/en
Expired legal-status Critical Current

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
    • C09K11/0805—Chalcogenides
    • C09K11/0822—Chalcogenides with rare earth metals
    • 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
    • C09K11/67—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing refractory metals
    • C09K11/68—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing refractory metals containing chromium, molybdenum or tungsten
    • 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
    • C09K11/7728—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing europium
    • C09K11/7732—Halogenides
    • C09K11/7733—Halogenides with alkali or alkaline earth metals
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/16—X-ray, infrared, or ultraviolet ray processes
    • G03C5/17—X-ray, infrared, or ultraviolet ray processes using screens to intensify X-ray images
    • 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)
  • General Physics & Mathematics (AREA)
  • Conversion Of X-Rays Into Visible Images (AREA)
  • Luminescent Compositions (AREA)
GB13885/75A 1975-04-04 1975-04-04 X-ray screens Expired GB1501267A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB13885/75A GB1501267A (en) 1975-04-04 1975-04-04 X-ray screens
US05/669,353 US4011455A (en) 1975-04-04 1976-03-22 Phosphor screen
JP51033683A JPS51121490A (en) 1975-04-04 1976-03-29 Fluorescent screen
FR7609499A FR2306250A1 (fr) 1975-04-04 1976-04-01 Ecran phosphorescent intensifiant les rayons x
DE19762614305 DE2614305A1 (de) 1975-04-04 1976-04-02 Leuchtstoffschirm
BE165802A BE840332A (fr) 1975-04-04 1976-04-02 Ecran phosphorescent

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB13885/75A GB1501267A (en) 1975-04-04 1975-04-04 X-ray screens

Publications (1)

Publication Number Publication Date
GB1501267A true GB1501267A (en) 1978-02-15

Family

ID=10031134

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13885/75A Expired GB1501267A (en) 1975-04-04 1975-04-04 X-ray screens

Country Status (6)

Country Link
US (1) US4011455A (enExample)
JP (1) JPS51121490A (enExample)
BE (1) BE840332A (enExample)
DE (1) DE2614305A1 (enExample)
FR (1) FR2306250A1 (enExample)
GB (1) GB1501267A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018095740A1 (de) * 2016-11-28 2018-05-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Leuchtstoffmischung aus löslichen und unlöslichen leuchtstoffen und verfahren zur rückgewinnung der leuchtstoffe

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4109152A (en) * 1976-08-13 1978-08-22 Dai Nippon Toryo Co., Ltd. X-ray intensifying screens
FR2398326B1 (fr) * 1977-07-20 1980-06-20 Agfa Gevaert Nv Ecrans renforcateurs radiographiques
JPS6042837B2 (ja) * 1978-07-12 1985-09-25 化成オプトニクス株式会社 螢光体
JPS5944333B2 (ja) * 1978-07-12 1984-10-29 富士写真フイルム株式会社 放射線像変換方法
JPS58156899A (ja) * 1982-03-15 1983-09-17 化成オプトニクス株式会社 放射線像変換スクリ−ン
US4387141A (en) * 1982-05-12 1983-06-07 E. I. Du Pont De Nemours And Company X-Ray screens based on phosphor mixtures of CaWO4 and rare earth tantalates
JPS5947290A (ja) * 1982-09-13 1984-03-16 Fuji Photo Film Co Ltd 放射線増感スクリ−ン
DE3481357D1 (de) * 1983-01-08 1990-03-15 Fuji Photo Film Co Ltd Verfahren zur herstellung eines schirmes zum speichern eines strahlungsbildes.
JPS59211262A (ja) * 1983-05-16 1984-11-30 Fuji Photo Film Co Ltd 放射線像検出器およびそれを用いた放射線像検出方法
DE3347207A1 (de) * 1983-12-27 1985-07-11 Siemens AG, 1000 Berlin und 8000 München Roentgenbild-speicherschirm
DE3574985D1 (de) * 1984-07-13 1990-02-01 Fuji Photo Film Co Ltd Phosphor, verfahren zum speichern und zur wiedergabe eines strahlungsbildes und schirm zum speichern eines strahlungsbildes.
EP0345905B1 (en) * 1988-06-10 1993-04-28 Agfa-Gevaert N.V. Photostimulable phosphor and use in radiography
US5106338A (en) * 1989-03-14 1992-04-21 Cummins-Allison Corp. Coin sorting mechanism
US5077145A (en) * 1989-12-26 1991-12-31 Nichia Kagaku Kogyo K.K. Phosphor for x-ray intensifying screen and x-ray intensifying screen
US5250365A (en) * 1990-12-17 1993-10-05 E. I. Du Pont De Nemours And Company X-ray intensifying screens with mixed morphology phosphors
WO1999017340A1 (fr) * 1997-09-29 1999-04-08 Conseil Des Ecoles Polytechniques Federales De La Confederation Helvetique Lampe electrique a decharge
EP0950903A1 (en) * 1998-04-15 1999-10-20 Europa Trading S.r.l. Scanning and detection means
US7586252B2 (en) * 2005-05-23 2009-09-08 General Electric Company Phosphor screen and imaging assembly

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US3778615A (en) * 1969-10-21 1973-12-11 Eastman Kodak Co Mixed alkaline earth sulfate phosphor fluorescent screens and radiographic elements
BE792841A (fr) * 1972-01-11 1973-06-15 United States Radium Corp Ecran luminescent pour la conversion des rayons x
NL7206945A (enExample) * 1972-05-24 1973-11-27
US3795814A (en) * 1972-08-16 1974-03-05 Gen Electric X-ray image converters utilizing lanthanum and gadolinium oxyhalide luminous materials activated with thulium
US3936644A (en) * 1974-03-14 1976-02-03 General Electric Company Multi-layer X-ray screens

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018095740A1 (de) * 2016-11-28 2018-05-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Leuchtstoffmischung aus löslichen und unlöslichen leuchtstoffen und verfahren zur rückgewinnung der leuchtstoffe

Also Published As

Publication number Publication date
JPS51121490A (en) 1976-10-23
FR2306250A1 (fr) 1976-10-29
US4011455A (en) 1977-03-08
DE2614305A1 (de) 1976-10-14
FR2306250B1 (enExample) 1979-09-21
BE840332A (fr) 1976-10-04

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee