DE69228375D1 - Röntgen-System mit verbesserter Bildqualität - Google Patents

Röntgen-System mit verbesserter Bildqualität

Info

Publication number
DE69228375D1
DE69228375D1 DE69228375T DE69228375T DE69228375D1 DE 69228375 D1 DE69228375 D1 DE 69228375D1 DE 69228375 T DE69228375 T DE 69228375T DE 69228375 T DE69228375 T DE 69228375T DE 69228375 D1 DE69228375 D1 DE 69228375D1
Authority
DE
Germany
Prior art keywords
image quality
ray system
improved image
ray
improved
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
DE69228375T
Other languages
English (en)
Other versions
DE69228375T2 (de
Inventor
Bernard Apple
Jacob Beutel
Bob Mcconnell
Daniel Mickewich
Raymond Russell
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
Sterling Diagnostic Imaging Inc
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 Sterling Diagnostic Imaging Inc filed Critical Sterling Diagnostic Imaging Inc
Publication of DE69228375D1 publication Critical patent/DE69228375D1/de
Application granted granted Critical
Publication of DE69228375T2 publication Critical patent/DE69228375T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • C09K11/7766—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
    • 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
    • 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
    • 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
    • G03C2200/00—Details
    • G03C2200/58—Sensitometric characteristics
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/167—X-ray
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/167—X-ray
    • Y10S430/168—X-ray exposure process

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)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Conversion Of X-Rays Into Visible Images (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
DE69228375T 1991-11-27 1992-11-25 Röntgen-System mit verbesserter Bildqualität Expired - Fee Related DE69228375T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/798,787 US5221846A (en) 1991-11-27 1991-11-27 Radiographic system with improved image quality
PCT/US1992/010003 WO1993011457A1 (en) 1991-11-27 1992-11-25 Radiographic system with improved image quality

Publications (2)

Publication Number Publication Date
DE69228375D1 true DE69228375D1 (de) 1999-03-18
DE69228375T2 DE69228375T2 (de) 1999-06-17

Family

ID=25174276

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69228375T Expired - Fee Related DE69228375T2 (de) 1991-11-27 1992-11-25 Röntgen-System mit verbesserter Bildqualität

Country Status (8)

Country Link
US (1) US5221846A (de)
EP (1) EP0568686B1 (de)
JP (1) JP2846953B2 (de)
AU (1) AU3142893A (de)
CA (1) CA2094294C (de)
DE (1) DE69228375T2 (de)
ES (1) ES2127224T3 (de)
WO (1) WO1993011457A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0743861A (ja) * 1993-07-28 1995-02-14 Fuji Photo Film Co Ltd 放射線画像形成方法
US5746943A (en) * 1997-02-25 1998-05-05 Sterling Diagnostic Imaging, Inc. X-ray intensifying screen based on barium hafnium zirconium phosphate
US20010031418A1 (en) * 2000-03-08 2001-10-18 Masaaki Taguchi Radiographic imaging system and silver halide photographic material
US7005226B2 (en) * 2003-11-12 2006-02-28 Eastman Kodak Company High speed imaging assembly for radiography
EP2772340A1 (de) * 2013-02-28 2014-09-03 GWP Gesellschaft Für Werkstoffprüfung MbH Verstärkter Kunststoff und Verfahren zu dessen Herstellung

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4130428A (en) * 1971-11-05 1978-12-19 Agfa-Gevaert, N.V. Combination of photosensitive elements suited for use in radiography
GB1422534A (en) * 1972-05-31 1976-01-28 Agfa Gevaert Radiographic recording element and its use in radiography
JPS5137236A (en) * 1974-09-26 1976-03-29 Fuji Photo Film Co Ltd Gazokirokuho
US4024069A (en) * 1975-07-16 1977-05-17 Rca Corporation Yttrium tantalate phosphors
GB1565502A (en) * 1975-09-10 1980-04-23 Minnesota Mining & Mfg Photographic materials
US4225653A (en) * 1979-03-26 1980-09-30 E. I. Du Pont De Nemours And Company X-ray intensifying screen based on rare earth tantalate
GB2119396B (en) * 1982-04-26 1985-11-20 Gen Electric Multi-layer x-ray screens
DE3768824D1 (de) * 1986-01-21 1991-05-02 Fuji Photo Film Co Ltd Vorrichtung zum auslesen von strahlungsbildern.
IT1189111B (it) * 1986-05-08 1988-01-28 Minnesota Mining & Mfg Elementi radiografici con un ridotto cross-over e ridotta colorazione residua
DD261169A1 (de) * 1986-09-30 1988-10-19 Univ Ernst Moritz Arndt Kristalliner seltenerdaktiver lanthanoxidhalogenidleuchtstoff
US4900652A (en) * 1987-07-13 1990-02-13 Eastman Kodak Company Radiographic element
JPH0782207B2 (ja) * 1988-05-30 1995-09-06 富士写真フイルム株式会社 Ｘ線用ハロゲン化銀写真感光材料
US5021327A (en) * 1989-06-29 1991-06-04 Eastman Kodak Company Radiographic screen/film assemblies with improved detection quantum efficiencies
US5028518A (en) * 1990-09-24 1991-07-02 Minnesota Mining And Manufacturing Company Radiographic thermographic imaging film
US5064729A (en) * 1990-12-17 1991-11-12 E. I. Du Pont De Nemours And Company Process of preparing tantalate X-ray intensifying phosphors with improved efficiency
EP0592616B1 (de) * 1991-07-03 1997-11-12 Sterling Diagnostic Imaging, Inc. Kombination von film und ultraviolett emittierendem schirm für verbesserte radiologische auswertungen
JPH06509183A (ja) * 1991-07-03 1994-10-13 イー・アイ・デュポン・ドゥ・ヌムール・アンド・カンパニー 大きく改善された放射線医学特性をもつ単一スクリーン／フィルム構造物

Also Published As

Publication number Publication date
CA2094294C (en) 2001-05-08
WO1993011457A1 (en) 1993-06-10
JP2846953B2 (ja) 1999-01-13
EP0568686B1 (de) 1999-02-03
AU3142893A (en) 1993-06-28
CA2094294A1 (en) 1993-05-28
EP0568686A1 (de) 1993-11-10
US5221846A (en) 1993-06-22
JPH06504857A (ja) 1994-06-02
ES2127224T3 (es) 1999-04-16
DE69228375T2 (de) 1999-06-17

Similar Documents

Publication Publication Date Title
DE69323232D1 (de) Röntgenscanner mit Mehrfachbildererzeugung
DE69233409D1 (de) Bilderzeugungsgerät
DE59306646D1 (de) Röntgenbilddetektor
DE69429142T2 (de) Roentgenbildaufnehmer
DE69233751D1 (de) Bilderzeugungsgerät
DE69328267D1 (de) Bilderzeugungssystem mit Vorlagenzuführgerät
DE69218830D1 (de) Bildprojektions-System
DE69214441T3 (de) Bilderzeugungssystem
NO933703D0 (no) Melaminbaserte midler for avbildingsforbedring
DE69214566D1 (de) Bildprediktor
DE69232196D1 (de) Bildkodiersystem
GB9115259D0 (en) An image detector
DE69232123D1 (de) Bildkodieranlage
DE69227217T2 (de) Bildkodierung
DE69119245D1 (de) Farbbilderzeugungssystem
DE69223841D1 (de) Bilderempfangsapparat
DE69210863T2 (de) Bildabtaster
DE69126812T2 (de) Videosystem mit einer Bildkombinationsfunktion
DE69213418D1 (de) Röntgenbildsystem mit Helligkeitssteuerung
DE69214719T2 (de) Bildaufnahmesystem
DE69220118T2 (de) Bildbinarisierungssystem
DE69228375T2 (de) Röntgen-System mit verbesserter Bildqualität
DE69226482D1 (de) Bilddigitalisierungssystem
DE69116851D1 (de) Bilderzeugungsapparat
DK0530634T3 (da) Afbildningstromle

Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: AGFA-GEVAERT N.V., MORTSEL, BE

8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee