KR900013338A - X-선 증감지 - Google Patents

X-선 증감지 Download PDF

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Publication number
KR900013338A
KR900013338A KR1019900001313A KR900001313A KR900013338A KR 900013338 A KR900013338 A KR 900013338A KR 1019900001313 A KR1019900001313 A KR 1019900001313A KR 900001313 A KR900001313 A KR 900001313A KR 900013338 A KR900013338 A KR 900013338A
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KR
South Korea
Prior art keywords
screen
range
ions
phosphor
alkali metal
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KR1019900001313A
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English (en)
Inventor
스티븐 브라이안 필립
매독 램버트 패트릭
메이 타우어스 크리스틴
스코트 재롤드 그레고리
Original Assignee
토마스 에프, 키르코프
이스트만 코닥 컴퍼니
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Application filed by 토마스 에프, 키르코프, 이스트만 코닥 컴퍼니 filed Critical 토마스 에프, 키르코프
Publication of KR900013338A publication Critical patent/KR900013338A/ko

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    • 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
    • G03C1/00—Photosensitive materials
    • G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
    • G03C1/08—Sensitivity-increasing substances
    • 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
    • C09K11/67—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing refractory metals
    • C09K11/671—Chalcogenides
    • 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
    • C09K11/7715—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing cerium
    • C09K11/7716—Chalcogenides
    • 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
    • C09K11/7729—Chalcogenides
    • 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
    • C09K11/7743—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing terbium
    • C09K11/7744—Chalcogenides
    • 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
    • C09K11/7756—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing neodynium
    • 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
    • C09K11/7759—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing samarium
    • C09K11/776—Chalcogenides
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Physics & Mathematics (AREA)
  • Luminescent Compositions (AREA)
  • Conversion Of X-Rays Into Visible Images (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Measurement Of Radiation (AREA)

Abstract

내용 없음

Description

X―선 증감지
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (20)

  1. 지지체 및 X―방사선을 흡수하고, 하프니아 인광체 호스트의 단시정계 결정으로 구성된, 더 긴 파장의 전자기 방사선을 방출하는 인광체를 포함하는 형광 층을 가지는 스크린에 있어서, 지르코늄 이온이 광학 그레이드 하프니아에서 발견되는 것보다 더 높은 농도로 하프니아 인광체 호스트내에 존재하는 것을 특징으로 하는 스크린.
  2. 제1항에 있어서, 인광체 호스트내의 하프늄 및 지르코늄 이온이 관계식.
    Hf1-zZrz
    식중, z는 4×10-4―0.3의 범위를 만족하는 것을 특징으로 하는 스크린.
  3. 제2항에 있어서, z가 1×10-3―0.2 범위인 것을 특징으로 하는 스크린.
  4. 제3항에 있어서, z가 2×10-3―0.1 범위인 것을 특징으로 하는 스크린.
  5. 제1항에서 제4항까지의 어느 한 항에 있어서, 인광체가 활성화하는 양의 알카리 금속 이온을 부가적으로 포함하는 것을 특징으로 하는 스크린.
  6. 제1항에서 제5항까지의 어느 한 항에 있어서, 하프늄, 지르코늄, 및 알카리 금속 이온이 관계식
    Hf1-zZrzMy
    식중, M은 최소한 하나의 알칼리 금속 이온 y는 4×10-4―1의 범위을 만족하는 것을 특징으로 하는 스크린.
  7. 제6항에 있어서, y가 1×10-4―0.2의 범위인 것을 특징으로 하는 스크린.
  8. 제5항에서 제7항까지의 어느 한 항에 있어서, 알칼리 금속 이온이 리튬 이온을 포함하는 것을 특징으로 하는 스크린.
  9. 제8항에 있어서, y가 8×10-4―0.15 범위인 것을 특징으로 하는 스크린.
  10. 제8항에 있어서, 형광 층이 제2인광체로서 리튬 하프네이트를 부가적으로 포함하는 것을 특징으로 하는 스크린.
  11. 제5항에서 제7항까지의 어느 한 항에 있어서, 알칼리 금속 이온이 최소한 하나의 나트륨 및 칼륨 이온을 포함하는 것을 특징으로 하는 스크린.
  12. 제11항에 있어서, y가 8×10-4―7×10-2의 범위인 것을 특징으로 하는 스크린.
  13. 제5항에서 제11항까지의 어느 한 항에 있어서, 알칼리 금속 활성제가 리튬 및 칼륨 이온을 포함하는 것을 특징으로 하는 스크린.
  14. 제5항에서 제7항까지의 어느 한 항에 있어서, 알칼리 금속이 최소한 하나의 세슘 및 루비듐 이온을 포함하는 것을 특징으로 하는 스크린.
  15. 제1항에서 제14항까지의 어느 한 항에 있어서, 인광체가 활성화하는 양의 티타늄 이온을 포함하는 것을 특징으로 하는 스크린.
  16. 제15항에 있어서, 하프늄, 지르코늄 및 티타늄 이온이 관계식
    Hf1-zZrzTix
    식 중, x는 3×10-4―1.0의 범위를 만족하는 것을 특징으로 하는 스크린.
  17. 제16항에 있어서, x가 3×10-4―0.5 범위인 것을 특징으로 하는 스크린.
  18. 제17항에 있어서, x가 3×10-4―0.25 범위인 것을 특징으로 하는 스크린.
  19. 제1항에서 제14항까지의 어느 한 항에 있어서, 인광체가 활성화하는 양의 회로를 이온을 포함하는 것을 특징으로 하는 스크린.
  20. 제19항에 있어서, 하프늄, 지르코늄 및 희토류 이온이 관계식
    Hf1-zZrzLw
    식 중, L은 최소한 하나의 희토류 원소 w는 3×10-4―5×10-2범위를 만족하는 것을 특징으로 하는 스크린.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900001313A 1989-02-03 1990-02-03 X-선 증감지 KR900013338A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/305,222 US4988880A (en) 1989-02-03 1989-02-03 X-ray intensifying screen containing hafnia phosphor
US305.222 1989-02-03

Publications (1)

Publication Number Publication Date
KR900013338A true KR900013338A (ko) 1990-09-05

Family

ID=23179870

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1019900001314A KR900013339A (ko) 1989-02-03 1990-02-03 인광체 조성물 및 그 제조방법
KR1019900001313A KR900013338A (ko) 1989-02-03 1990-02-03 X-선 증감지

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Application Number Title Priority Date Filing Date
KR1019900001314A KR900013339A (ko) 1989-02-03 1990-02-03 인광체 조성물 및 그 제조방법

Country Status (9)

Country Link
US (1) US4988880A (ko)
EP (2) EP0381232B1 (ko)
JP (2) JP2922240B2 (ko)
KR (2) KR900013339A (ko)
AU (2) AU4930190A (ko)
BR (2) BR9000498A (ko)
CA (1) CA2008542A1 (ko)
DE (2) DE69010224T2 (ko)
HK (1) HK62194A (ko)

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US4967085A (en) * 1989-02-03 1990-10-30 Eastman Kodak Company X-ray intensifying screen including a titanium activated hafnium dioxide phosphor containing neodymium to reduce afterglow
US4983847A (en) * 1989-11-16 1991-01-08 Eastman Kodak Company X-ray intensifying screen including a titanium activated hafnium dioxide phosphor containing indium
US4980560A (en) * 1989-11-16 1990-12-25 Eastman Kodak Company X-ray intensifying screen including a titanium activated hafnium dioxide phosphor containing scandium
US5112700A (en) * 1990-07-20 1992-05-12 Eastman Kodak Company Phosphor composition and x-ray intensifying screen capable of emitting principally in the spectral region of native silver halide sensitivity
US5095218A (en) * 1990-07-20 1992-03-10 Eastman Kodak Company X-ray intensifying screen with enhanced emission
US5173611A (en) * 1992-01-17 1992-12-22 Eastman Kodak Company Phosphor composition and X-ray intensifying screen exhibiting peak emission in the ultraviolet
US5230831A (en) * 1992-11-06 1993-07-27 General Electric Company Europium- and bismuth-doped luminescent compositions
US5336893A (en) * 1993-05-18 1994-08-09 Eastman Kodak Company Hafnium stannate phosphor composition and X-ray intensifying screen
US5901870A (en) * 1997-07-10 1999-05-11 Lynes Holdings S.A. Pilferproof cover and a container associated therewith
DE19859880A1 (de) * 1998-12-23 2000-07-06 Duerr Dental Gmbh Co Kg Flächiges Speicherelement für ein Röntgenbild
US7476925B2 (en) 2001-08-30 2009-01-13 Micron Technology, Inc. Atomic layer deposition of metal oxide and/or low asymmetrical tunnel barrier interploy insulators
US6858159B2 (en) 2002-03-28 2005-02-22 General Electric Company Titanium-doped hafnium oxide scintillator and method of making the same
US7589029B2 (en) * 2002-05-02 2009-09-15 Micron Technology, Inc. Atomic layer deposition and conversion
US7192892B2 (en) 2003-03-04 2007-03-20 Micron Technology, Inc. Atomic layer deposited dielectric layers
US7015479B2 (en) * 2003-07-31 2006-03-21 Eastman Kodak Company Digital film grain
US7687409B2 (en) 2005-03-29 2010-03-30 Micron Technology, Inc. Atomic layer deposited titanium silicon oxide films
US7572695B2 (en) * 2005-05-27 2009-08-11 Micron Technology, Inc. Hafnium titanium oxide films
US7927948B2 (en) 2005-07-20 2011-04-19 Micron Technology, Inc. Devices with nanocrystals and methods of formation
EP2411872A1 (en) 2009-03-27 2012-02-01 Carestream Health, Inc. Radiographic silver halide films having incorporated developer

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US2402760A (en) * 1942-06-27 1946-06-25 Rca Corp Luminescent material
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US3728594A (en) * 1971-11-17 1973-04-17 Rca Corp Electroluminescent device comprising a transition metal oxide doped with a trivalent rare earth element
US4006097A (en) * 1974-09-24 1977-02-01 Gte Sylvania Incorporated Yb activated hafnium oxide phosphor and methods of making
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Also Published As

Publication number Publication date
KR900013339A (ko) 1990-09-05
EP0381232A3 (en) 1990-12-19
CA2008542A1 (en) 1990-08-03
JP2812768B2 (ja) 1998-10-22
EP0381232A2 (en) 1990-08-08
JPH02289847A (ja) 1990-11-29
DE69005836T2 (de) 1994-08-11
BR9000498A (pt) 1991-01-15
DE69005836D1 (de) 1994-02-24
US4988880A (en) 1991-01-29
EP0381232B1 (en) 1994-01-12
EP0381233A2 (en) 1990-08-08
JPH0328292A (ja) 1991-02-06
EP0381233B1 (en) 1994-06-29
JP2922240B2 (ja) 1999-07-19
AU622761B2 (en) 1992-04-16
DE69010224T2 (de) 1995-03-02
BR9000499A (pt) 1991-01-15
AU4930190A (en) 1990-08-09
DE69010224D1 (de) 1994-08-04
EP0381233A3 (en) 1990-12-19
AU4909390A (en) 1990-08-09
HK62194A (en) 1994-07-01

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