ES2127224T3 - Sistema radiografico con calidad de imagen mejorada. - Google Patents

Sistema radiografico con calidad de imagen mejorada.

Info

Publication number
ES2127224T3
ES2127224T3 ES92925337T ES92925337T ES2127224T3 ES 2127224 T3 ES2127224 T3 ES 2127224T3 ES 92925337 T ES92925337 T ES 92925337T ES 92925337 T ES92925337 T ES 92925337T ES 2127224 T3 ES2127224 T3 ES 2127224T3
Authority
ES
Spain
Prior art keywords
images
contrast
image quality
radiographic system
improved image
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 - Lifetime
Application number
ES92925337T
Other languages
English (en)
Inventor
Bernard A Apple
Jacob Beutel
Bob E Mcconnell
Daniel James Mickewich
Raymond J 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.)
Sterling Diagnostic Imaging Inc
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
Application granted granted Critical
Publication of ES2127224T3 publication Critical patent/ES2127224T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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 materials, e.g. electroluminescent or chemiluminescent
    • C09K11/08—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials
    • C09K11/77—Luminescent materials, e.g. electroluminescent or chemiluminescent 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 materials, e.g. electroluminescent or chemiluminescent
    • C09K11/08—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials
    • C09K11/77—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials containing rare earth metals
    • C09K11/7766—Luminescent materials, e.g. electroluminescent or chemiluminescent 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 materials, e.g. electroluminescent or chemiluminescent
    • C09K11/08—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials
    • C09K11/77—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials containing rare earth metals
    • C09K11/7766—Luminescent materials, e.g. electroluminescent or chemiluminescent 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—HANDLING OF 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—HANDLING OF 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—HANDLING OF 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)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Conversion Of X-Rays Into Visible Images (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Apparatus For Radiation Diagnosis (AREA)

Abstract

SE PRESENTA UN SISTEMA RADIOGRAFICO DE AMPLIA LATITUD Y AMPLIA RESOLUCION QUE TIENE UNA VELOCIDAD RELATIVA DE AL MENOS 150 Y UNA FUNCION DE TRANSFERENCIA DE CONTRASTE DE AL MENOS 0.30 CUANDO SE MIDE A SEIS PARES DE LINEA POR MILIMETRO, EL SISTEMA COMPRENDE AL MENOS UNA PANTALLA INTENSIFICADORA DE LOS RAYOS X EN ASOCIACION OPERATIVA CON UN ELEMENTO DE ALURO DE PLATA FOTOSENSIBLE QUE TIENE UN CONTRASTE MAXIMO INFERIOR O IGUAL A 3.0. EL SISTEMA PRODUCE IMAGENES SUPERIORES, PARTICULARMENTE IMAGENES DEL PECHO A LO LARGO DE UNA AMPLIA GAMA DE EXPOSICIONES SIN QUE DESCIENDA LA CALIDAD O EL CONTRASTE DE LAS IMAGENES COMO OCURRE NORMALMENTE EN SISTEMA DE AMPLIA LATITUD.
ES92925337T 1991-11-27 1992-11-25 Sistema radiografico con calidad de imagen mejorada. Expired - Lifetime ES2127224T3 (es)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ES2127224T3 true ES2127224T3 (es) 1999-04-16

Family

ID=25174276

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92925337T Expired - Lifetime ES2127224T3 (es) 1991-11-27 1992-11-25 Sistema radiografico con calidad de imagen mejorada.

Country Status (8)

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

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
EP0592558A1 (en) * 1991-07-03 1994-04-20 E.I. Du Pont De Nemours And Company Single screen/film structure with greatly improved radiological properties
EP0592616B1 (en) * 1991-07-03 1997-11-12 Sterling Diagnostic Imaging, Inc. Ultraviolet film/screen combinations for improved radiological evaluations

Also Published As

Publication number Publication date
CA2094294C (en) 2001-05-08
DE69228375D1 (de) 1999-03-18
JP2846953B2 (ja) 1999-01-13
EP0568686B1 (en) 1999-02-03
CA2094294A1 (en) 1993-05-28
US5221846A (en) 1993-06-22
DE69228375T2 (de) 1999-06-17
EP0568686A1 (en) 1993-11-10
AU3142893A (en) 1993-06-28
JPH06504857A (ja) 1994-06-02
WO1993011457A1 (en) 1993-06-10

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