GB2119396B - Multi-layer x-ray screens - Google Patents

Multi-layer x-ray screens

Info

Publication number
GB2119396B
GB2119396B GB08304552A GB8304552A GB2119396B GB 2119396 B GB2119396 B GB 2119396B GB 08304552 A GB08304552 A GB 08304552A GB 8304552 A GB8304552 A GB 8304552A GB 2119396 B GB2119396 B GB 2119396B
Authority
GB
United Kingdom
Prior art keywords
layer
ray screens
screens
ray
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
GB08304552A
Other versions
GB2119396A (en
GB8304552D0 (en
Inventor
Jacob George Rabatin
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of GB8304552D0 publication Critical patent/GB8304552D0/en
Publication of GB2119396A publication Critical patent/GB2119396A/en
Application granted granted Critical
Publication of GB2119396B publication Critical patent/GB2119396B/en
Expired legal-status Critical Current

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

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)
  • Conversion Of X-Rays Into Visible Images (AREA)
  • Luminescent Compositions (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
GB08304552A 1982-04-26 1983-02-18 Multi-layer x-ray screens Expired GB2119396B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US37183282A 1982-04-26 1982-04-26

Publications (3)

Publication Number Publication Date
GB8304552D0 GB8304552D0 (en) 1983-03-23
GB2119396A GB2119396A (en) 1983-11-16
GB2119396B true GB2119396B (en) 1985-11-20

Family

ID=23465576

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08304552A Expired GB2119396B (en) 1982-04-26 1983-02-18 Multi-layer x-ray screens

Country Status (7)

Country Link
JP (1) JPS58201884A (en)
BE (1) BE896557A (en)
BR (1) BR8301024A (en)
DE (1) DE3314528A1 (en)
GB (1) GB2119396B (en)
IT (1) IT1161043B (en)
MX (1) MX162482A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1253264A (en) * 1986-02-10 1989-04-25 George W. Luckey High efficiency fluorescent screen pair for use in low energy x radiation imaging
DD261169A1 (en) * 1986-09-30 1988-10-19 Univ Ernst Moritz Arndt CRYSTALLINE RARE DETERGENT LANTHANOXIDE HALOGENIDE LIGHTING
US5221846A (en) * 1991-11-27 1993-06-22 E. I. Du Pont De Nemours And Company Radiographic system with improved image quality

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE792387A (en) * 1971-12-31 1973-06-07 Agfa Gevaert Nv REINFORCEMENT SCREENS FOR X-RAY PHOTOGRAPHY
US3795814A (en) * 1972-08-16 1974-03-05 Gen Electric X-ray image converters utilizing lanthanum and gadolinium oxyhalide luminous materials activated with thulium
FR2205683B1 (en) * 1972-11-03 1985-12-27 Agfa Gevaert
GB1595931A (en) * 1976-12-13 1981-08-19 Gen Electric X-ray image converters and phosphors
US4316092A (en) * 1976-12-13 1982-02-16 General Electric Company X-Ray image converters utilizing rare earth admixtures
US4070583A (en) * 1976-12-13 1978-01-24 General Electric Company Rare earth oxyhalide phosphors coactivated with terbium, thulium
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

Also Published As

Publication number Publication date
IT1161043B (en) 1987-03-11
GB2119396A (en) 1983-11-16
BE896557A (en) 1983-10-25
JPS58201884A (en) 1983-11-24
BR8301024A (en) 1983-11-22
DE3314528A1 (en) 1983-10-27
MX162482A (en) 1991-05-13
IT8320660A0 (en) 1983-04-19
GB8304552D0 (en) 1983-03-23

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940218