DE69213941T2 - Röntgenstrahlenverstärkungsschirm mit verbessertem Verhältnis voin Geschwindigkeit zur Bildqualität - Google Patents

Röntgenstrahlenverstärkungsschirm mit verbessertem Verhältnis voin Geschwindigkeit zur Bildqualität

Info

Publication number
DE69213941T2
DE69213941T2 DE69213941T DE69213941T DE69213941T2 DE 69213941 T2 DE69213941 T2 DE 69213941T2 DE 69213941 T DE69213941 T DE 69213941T DE 69213941 T DE69213941 T DE 69213941T DE 69213941 T2 DE69213941 T2 DE 69213941T2
Authority
DE
Germany
Prior art keywords
speed
image quality
intensifying screen
ray intensifying
improved ratio
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 - Fee Related
Application number
DE69213941T
Other languages
English (en)
Other versions
DE69213941D1 (de
Inventor
Philip Dooms
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.)
Agfa Gevaert NV
Original Assignee
Agfa Gevaert NV
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 Agfa Gevaert NV filed Critical Agfa Gevaert NV
Publication of DE69213941D1 publication Critical patent/DE69213941D1/de
Application granted granted Critical
Publication of DE69213941T2 publication Critical patent/DE69213941T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C09K11/7701—Chalogenides
    • 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
    • C09K11/7701—Chalogenides
    • C09K11/7703—Chalogenides with alkaline 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
    • C09K11/77—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
    • 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
    • G21K2004/04—Conversion screens for the conversion of the spatial distribution of X-rays or particle radiation into visible images, e.g. fluoroscopic screens with an intermediate layer
    • 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
    • G21K2004/06—Conversion screens for the conversion of the spatial distribution of X-rays or particle radiation into visible images, e.g. fluoroscopic screens with a phosphor layer
    • 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
    • G21K2004/08—Conversion screens for the conversion of the spatial distribution of X-rays or particle radiation into visible images, e.g. fluoroscopic screens with a binder in the phosphor layer
    • 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
    • G21K2004/12—Conversion screens for the conversion of the spatial distribution of X-rays or particle radiation into visible images, e.g. fluoroscopic screens with a support

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)
  • Conversion Of X-Rays Into Visible Images (AREA)
  • Radiography Using Non-Light Waves (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
DE69213941T 1992-09-11 1992-09-11 Röntgenstrahlenverstärkungsschirm mit verbessertem Verhältnis voin Geschwindigkeit zur Bildqualität Expired - Fee Related DE69213941T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP92202770A EP0592724B1 (de) 1992-09-11 1992-09-11 Röntgenstrahlenverstärkungsschirm mit verbessertem Verhältnis voin Geschwindigkeit zur Bildqualität

Publications (2)

Publication Number Publication Date
DE69213941D1 DE69213941D1 (de) 1996-10-24
DE69213941T2 true DE69213941T2 (de) 1997-03-20

Family

ID=8210909

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69213941T Expired - Fee Related DE69213941T2 (de) 1992-09-11 1992-09-11 Röntgenstrahlenverstärkungsschirm mit verbessertem Verhältnis voin Geschwindigkeit zur Bildqualität

Country Status (4)

Country Link
US (1) US5381015A (de)
EP (1) EP0592724B1 (de)
JP (1) JP3365830B2 (de)
DE (1) DE69213941T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0712036B1 (de) * 1994-11-11 1999-07-28 Agfa-Gevaert N.V. Lichtempfindliches photographisches Schirm/Silberhalogenidfilmsystem mit verbesserter Bildqualität für Schnellverarbeitungsanwendungen in der Mammographie
EP0820069A1 (de) * 1996-07-19 1998-01-21 Agfa-Gevaert N.V. Verstarkungsschirm für Röntgenstrahlen mit M-monoklinischen Yttrium-Tantalat-Leuchtstoff
US6294789B1 (en) 1998-06-17 2001-09-25 Hologic, Inc. Radiation intensifying screen
US6396066B1 (en) 2000-09-21 2002-05-28 Eastman Kodak Company Image storage phosphor panels having flexible supports
US7018565B2 (en) * 2003-03-04 2006-03-28 Sarnoff Corporation Efficient, size-selected green-emitting phosphors
US6682868B1 (en) 2003-03-26 2004-01-27 Eastman Kodak Company Radiographic imaging assembly with blue-sensitive film
EP1492128A1 (de) * 2003-06-27 2004-12-29 Agfa-Gevaert Speicherschirm mit binderlosem Phosphor
US7015479B2 (en) * 2003-07-31 2006-03-21 Eastman Kodak Company Digital film grain
KR100841171B1 (ko) * 2006-10-28 2008-06-24 삼성전기주식회사 형광체의 유동특성 제어방법, 형광체 및 형광체 페이스트
EP2411872A1 (de) 2009-03-27 2012-02-01 Carestream Health, Inc. Radiografische silberhalogenidfilme mit integriertem entwickler

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2654387C3 (de) * 1975-12-05 1979-09-13 E.I. Du Pont De Nemours And Co., Wilmington, Del. (V.St.A.) Erdalkalifluorhalogenid-Leuchtstoff
CA1129189A (en) * 1978-08-11 1982-08-10 Lothar H. Brixner X-ray intensifying screen based on rare earth tantalate
DE3475240D1 (en) * 1983-03-29 1988-12-22 Du Pont X-ray intensifying screens
JPS6195351A (ja) * 1984-10-17 1986-05-14 Kasei Optonix Co Ltd 増感紙
JPS62110199A (ja) * 1985-11-08 1987-05-21 富士写真フイルム株式会社 放射線増感スクリ−ンおよび放射線画像形成方法
US5077145A (en) * 1989-12-26 1991-12-31 Nichia Kagaku Kogyo K.K. Phosphor for x-ray intensifying screen and x-ray intensifying screen
EP0520094A1 (de) * 1991-06-27 1992-12-30 Agfa-Gevaert N.V. Röntgenstrahlen-Leuchtstoffzusammensetzung für Röntgenstrahlen Verstärkersfoelie

Also Published As

Publication number Publication date
JPH06222200A (ja) 1994-08-12
JP3365830B2 (ja) 2003-01-14
DE69213941D1 (de) 1996-10-24
EP0592724A1 (de) 1994-04-20
EP0592724B1 (de) 1996-09-18
US5381015A (en) 1995-01-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee