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公开(公告)号:US4362944A
公开(公告)日:1982-12-07
申请号:US242377
申请日:1981-03-10
申请人: Yujiro Suzuki , Norio Mirua , Keiji Shimiya
发明人: Yujiro Suzuki , Norio Mirua , Keiji Shimiya
摘要: In an intensifying screen composed of a support, a fluorescent layer disposed on the support and a protective layer disposed on the fluorescent layer, the fluorescent layer is composed of one or more phosphors selected from the group consisting of a terbium activated rare earth oxysulfide phosphor, a divalent europium activated alkali earth metal fluorohalide phosphor and a silver activated sulfide phosphor, and the protective layer is a light absorption layer which absorbs a part of light emitted by the fluorescent layer.
摘要翻译: 在由支撑体构成的强化屏幕中,设置在支撑体上的荧光层和设置在荧光层上的保护层,荧光层由一种或多种选自铽活化的稀土氧硫化物荧光体, 二价铕活化碱土金属氟卤化物荧光体和银活性硫化物荧光体,保护层是吸收由荧光层发射的一部分光的光吸收层。
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公开(公告)号:US4536436A
公开(公告)日:1985-08-20
申请号:US612317
申请日:1984-05-21
申请人: Hidehiko Maeoka , Etsuo Shimizu , Yujiro Suzuki , Keiji Shimiya , Norio Miura
发明人: Hidehiko Maeoka , Etsuo Shimizu , Yujiro Suzuki , Keiji Shimiya , Norio Miura
CPC分类号: G21K4/00 , Y10S428/913 , Y10T428/24942 , Y10T428/24975 , Y10T428/25 , Y10T428/256 , Y10T428/257 , Y10T428/27 , Y10T428/273 , Y10T428/31678 , Y10T428/31681 , Y10T428/31703 , Y10T428/31989
摘要: A radiographic image conversion screen comprises a support, a first fluorescent layer formed on the support and consisting essentially of a blue emitting phosphor and a second fluorescent layer formed on the first fluorescent layer and consisting essentially of a green emitting rare earth phosphor.
摘要翻译: 放射线照相图像转换屏幕包括支撑体,形成在支撑体上的第一荧光层,并且基本上由蓝色发光荧光体和形成在第一荧光层上的第二荧光层组成,并且基本上由发绿光的稀土荧光体组成。
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公开(公告)号:US4486486A
公开(公告)日:1984-12-04
申请号:US429031
申请日:1982-09-30
申请人: Hidehiko Maeoka , Etsuo Shimizu , Yujiro Suzuki , Keiji Shimiya , Norio Miura
发明人: Hidehiko Maeoka , Etsuo Shimizu , Yujiro Suzuki , Keiji Shimiya , Norio Miura
CPC分类号: G21K4/00 , Y10S428/913 , Y10T428/24942 , Y10T428/24975 , Y10T428/25 , Y10T428/256 , Y10T428/257 , Y10T428/27 , Y10T428/273 , Y10T428/31678 , Y10T428/31681 , Y10T428/31703 , Y10T428/31989
摘要: A radiographic image conversion screen comprising a support, a first fluorescent layer formed on the support and consisting essentially of a blue emitting phosphor and a second fluorescent layer formed on the first fluorescent layer and consisting essentially of a green emitting rare earth oxysulfide phosphor. The green emitting rare earth oxysulfide phosphor is represented by the formula: (Ln.sub.1-i, Y.sub.i, Tb.sub.a, R.sub.b).sub.2 O.sub.2 S where Ln is at least one element selected from the group consisting of La, Gd and Lu, R is at least one element selected from the group consisting of Dy, Pr, Yb and Nd, and i, a and b are numbers within the ranges of 0.ltoreq.i.ltoreq.0.35, 0.0005.ltoreq.a.ltoreq.0.09 and 0.0002.ltoreq.b.ltoreq.0.01, respectively.
摘要翻译: 一种放射照相图像转换屏幕,包括支撑体,形成在支撑体上的第一荧光层,并且基本上由蓝色发光荧光体和形成在第一荧光层上的第二荧光层组成,并且基本上由绿色发射的稀土氧硫化物荧光体组成。 绿色发射稀土氧硫化物荧光体由下式表示:(Ln1-i,Yi,Tba,Rb)2O2S其中Ln是选自La,Gd和Lu中的至少一种元素,R是至少一种元素 选自由Dy,Pr,Yb和Nd组成的组,i,a和b是0≤i≤0.35,0.0005, b = 0.01。
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公开(公告)号:US4138529A
公开(公告)日:1979-02-06
申请号:US807177
申请日:1977-06-16
申请人: Etsuo Mori , Keiji Shimiya , Norio Miura , Yujiro Suzuki
发明人: Etsuo Mori , Keiji Shimiya , Norio Miura , Yujiro Suzuki
CPC分类号: G21K4/00 , C09K11/7713
摘要: A complex halide phosphor represented by the following composition formula and an X-ray image converter using the same: (Me.sub.1-f,Mg.sub.f )F.sub.2.aMe' X.sub.2.bKX'.cMe" SO.sub.4 :dEu.sup.2+,eTb.sup.3+wherein Me, Me' and Me" each represents at least one of the alkaline earth metals of the group consisting of barium, strontium and calcium; X and X' each represents at least one of chlorine and bromine; and a, b, c, d, e and f are numbers defined by one of the following five combinations:1. 0.80.ltoreq.a.sub.1 .ltoreq.1.50, 0.10.ltoreq.b.sub.1 .ltoreq.1.50, c.sub.1 =0, 0.001.ltoreq.d.sub.1 .ltoreq.0.20, e.sub.1 =0 and f.sub.1 =0.2. 0.30.ltoreq.a.sub.2 .ltoreq.1.50, 0.10.ltoreq.b.sub.2 .ltoreq.2.00, 0.01.ltoreq.c.sub.2 .ltoreq.1.00, 0.001.ltoreq.d.sub.2 .ltoreq.0.20, e.sub.2 =0 and f.sub.2 =0.3. a.sub.3 =1, b.sub.3 =0, c.sub.3 =0, 0.01.ltoreq.d.sub.3 .ltoreq.0.10, 0
摘要翻译: 由以下组成式表示的复合卤化物荧光体和使用其的X射线图像转换器:
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公开(公告)号:US4109152A
公开(公告)日:1978-08-22
申请号:US819043
申请日:1977-07-26
申请人: Yuji Aoki , Keiji Shimiya , Norio Miura , Etsuo Mori , Yujiro Suzuki
发明人: Yuji Aoki , Keiji Shimiya , Norio Miura , Etsuo Mori , Yujiro Suzuki
CPC分类号: C09K11/7713
摘要: An X-ray intensifying screen having a high speed and capable of providing good image quality superior in sharpness, granularity and contrast comprising a support having formed thereon a fluorescent layer composed of a complex halide phosphor represented by the composition formula shown below and having further formed on the fluorescent layer another fluorescent layer composed of a calcium tungstate phosphor:(Me.sub.1-f, Mg.sub.f)F.sub.2 .multidot.aMe'X.sub.2 .multidot.bKX'.multidot.cMe"SO.sub.4 :dEu.sup.2+,eTb.sup.3+wherein Me, Me' and Me" each represents at least one of the alkaline earth metals of the group consisting of barium, strontium and calcium; X and X' each represents at least one of chlorine and bromine; and a, b, c, d, e and f are the numbers defined by one of the following five combinations:1. 0.80.ltoreq.a.sub.1 .ltoreq.1.50, 0.10.ltoreq.b.sub.1 .ltoreq.1.50, c.sub.1 .dbd.0, 0.001.ltoreq.d.sub.1 .ltoreq.0.20, e.sub.1 .dbd.0 and f.sub.1 .dbd.0;2. 0.30.ltoreq.a.sub.2 .ltoreq.1.50, 0.10.ltoreq.b.sub.2 .ltoreq.2.00, 0.01.ltoreq.c.sub.2 .ltoreq.1.00, 0.001.ltoreq.d.sub.2 .ltoreq.0.20, e.sub.2 .dbd.0 and f.sub.2 .dbd.0;3. a.sub.3 .dbd.1, b.sub.3 .dbd.0, c.sub.3 .dbd.0, 0.01.ltoreq.d.sub.3 .ltoreq.0.10, 0
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公开(公告)号:US4529647A
公开(公告)日:1985-07-16
申请号:US587608
申请日:1984-03-08
申请人: Hidehiko Maeoka , Etsuo Shimizu , Yujiro Suzuki , Keiji Shimiya , Norio Miura
发明人: Hidehiko Maeoka , Etsuo Shimizu , Yujiro Suzuki , Keiji Shimiya , Norio Miura
CPC分类号: G21K4/00 , Y10S428/913 , Y10T428/24942 , Y10T428/24975 , Y10T428/25 , Y10T428/256 , Y10T428/257 , Y10T428/27 , Y10T428/273 , Y10T428/31678 , Y10T428/31681 , Y10T428/31703 , Y10T428/31989
摘要: A radiographic image conversion screen comprising a support, a first fluorescent layer formed on the support and consisting essentially of a blue emitting phosphor and a second fluorescent layer formed on the first fluorescent layer and consisting essentially of a green emitting rare earth oxysulfide phosphor. The green emitting rare earth oxysulfide phosphor is represented by the formula: (Ln.sub.1-i, Yi, Tba, Rb).sub.2 O.sub.2 S where Ln is at least one element selected from the group consisting of La, Ga and Lu, R is at least one element selected from the group consisting of Dy, Pr, Yb and Nd, and i, a and b are numbers within the ranges of 0.ltoreq.i.ltoreq.0.35, 0.0005.ltoreq.a.ltoreq.0.09 and 0.0002.ltoreq.b.ltoreq.0.01 respectively.
摘要翻译: 一种放射照相图像转换屏幕,包括支撑体,形成在支撑体上的第一荧光层,并且基本上由蓝色发光荧光体和形成在第一荧光层上的第二荧光层组成,并且基本上由绿色发射的稀土氧硫化物荧光体组成。 绿色发射稀土氧硫化物荧光体由式(Ln1-i,Yi,Tba,Rb)2O2S表示,其中Ln是选自La,Ga和Lu中的至少一种元素,R是至少一种元素 选自由Dy,Pr,Yb和Nd组成的组,i,a和b是0≤i≤0.35,0.0005,0.09,0.0002的范围内的数字。 b = 0.01。
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公开(公告)号:US4507563A
公开(公告)日:1985-03-26
申请号:US627502
申请日:1984-07-09
申请人: Hidehiko Maeoka , Etsuo Shimizu , Yujiro Suzuki , Keiji Shimiya , Norio Miura
发明人: Hidehiko Maeoka , Etsuo Shimizu , Yujiro Suzuki , Keiji Shimiya , Norio Miura
CPC分类号: G21K4/00 , Y10S428/913 , Y10T428/24942 , Y10T428/24975 , Y10T428/25 , Y10T428/256 , Y10T428/257 , Y10T428/27 , Y10T428/273 , Y10T428/31678 , Y10T428/31681 , Y10T428/31703 , Y10T428/31989
摘要: A radiographic image conversion screen comprising a support, a first fluorescent layer formed on the support consisting essentially of a blue emitting phosphor and a second fluorescent layer formed on the first fluorescent layer consisting essentially of a green emitting rare earth phosphor.
摘要翻译: 一种放射线照相图像转换屏幕,包括支撑体,形成在所述支撑体上的第一荧光层,所述第一荧光层基本上由蓝色发光荧光体和形成在基本上由绿色发射稀土荧光体组成的第一荧光层上形成的第二荧光层组成。
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公开(公告)号:US4205234A
公开(公告)日:1980-05-27
申请号:US870016
申请日:1978-01-16
申请人: Yujiro Suzuki , Keiji Shimiya , Takashi Miyagawa
发明人: Yujiro Suzuki , Keiji Shimiya , Takashi Miyagawa
摘要: A radiographic intensifying screen having high radiographic image quality is composed of a support and a fluorescent layer formed on the support. The fluorescent layer contains a pigment coated phosphor in which pigment particles adhere to the surface of the phosphor and partly absorb the light emitted by the phosphor.
摘要翻译: 具有高放射照相图像质量的射线照相增强屏幕由支撑体和形成在支撑体上的荧光层组成。 荧光层含有颜料包覆的荧光体,其中颜料颗粒粘附到荧光体的表面并且部分地吸收由荧光体发射的光。
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公开(公告)号:US5477053A
公开(公告)日:1995-12-19
申请号:US254769
申请日:1994-06-06
申请人: Akio Umemoto , Yujiro Suzuki , Tutomu Watanabe , Michio Tanaka , Nobuaki Koike
发明人: Akio Umemoto , Yujiro Suzuki , Tutomu Watanabe , Michio Tanaka , Nobuaki Koike
IPC分类号: G21K4/00
CPC分类号: G21K4/00 , G21K2004/04 , G21K2004/06 , G21K2004/10
摘要: This invention relates to a radiographic intensifying screen excellent in sharpness and durability, which comprises a support, a fluorescent layer formed on the support, and a protective layer formed by coating a solution containing a protective layer-forming resin on the fluorescent layer, wherein a water repellent layer or a resin layer which may optionally contain a water repellent is provided between the fluorescent layer and the protective layer, or the fluorescent layer may optionally contain a water repellent, and also relates to a process for preparing the same.
摘要翻译: 本发明涉及清晰度和耐久性优异的射线照相增强屏幕,其包括支撑体,形成在支撑体上的荧光层,以及通过在荧光层上涂布含有保护层形成树脂的溶液而形成的保护层,其中, 防水层或可选地含有防水剂的树脂层设置在荧光层和保护层之间,或者荧光层可以任选地含有防水剂,并且还涉及其制备方法。
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公开(公告)号:US06232611B1
公开(公告)日:2001-05-15
申请号:US08581424
申请日:1995-12-29
申请人: Yujiro Suzuki , Yuji Aoki , Akio Umemoto , Masamichi Itabashi
发明人: Yujiro Suzuki , Yuji Aoki , Akio Umemoto , Masamichi Itabashi
IPC分类号: G21K400
CPC分类号: G21K4/00 , G21K2004/10
摘要: A radiographic intensifying screen having at least a fluorescent layer and a protective layer on a support, wherein the protective layer has a multi-layer structure comprising at least one layer of an organic macromolecule film and a film-forming resin layer provided on the surface of the organic macromolecule film at least on the side which is not in contact with the fluorescent layer, and the resin of the film-forming resin layer is different from the resin of the organic macromolecule film.
摘要翻译: 一种射线照相增强屏幕,其在支撑体上至少具有荧光层和保护层,其中所述保护层具有多层结构,所述多层结构包括至少一层有机高分子膜和设置在所述表面上的成膜树脂层 至少在与荧光层不接触的一侧上的有机高分子膜和成膜树脂层的树脂与有机高分子膜的树脂不同。
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