序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
81 Radiation intensifying screen US09321933 1999-05-28 US06294789B1 2001-09-25 Zhenxue Jing
A radiation intensifying screen is formed by a reflective-transmissive layer which is disposed between two radiation absorbing, luminescent phosphor layers having emission maximum wavelengths which are well separated. The reflective-transmissive layer is either a long wave pass or short wave pass filter which provides maximum reflection for spectral emissions produced in the first luminescent layer but, at the same time, allows the maximum transmission of spectral emissions produced in the second luminescent layer. An optional secondary reflective layer and a backing layer are provided adjacent to the second luminescent layer. As a result, spectral emissions in the first luminescent layer have a relatively short traveling path compared to the path in a conventional intensifying screen. The disclosed dual layer intensifying screen construction increases the spatial resolution of the phosphor screen without adversely affecting the screen speed.
82 Radiographic intensifying screen US09100466 1998-06-19 US06188073B1 2001-02-13 Katsutoshi Yamane; Hisao Arai
A radiographic intensifying screen is composed of a support, a phosphor layer containing phosphor and a surface protective layer overlaid in order. The surface protective layer shows a scattering length of 5 to 80 &mgr;m, in which the scattering length is measured at main wavelength of light emitted from the phosphor.
83 Radiographic intensifying screen US674568 1996-07-05 US5888647A 1999-03-30 Katsutoshi Yamane
A radiographic itensifying screen has a support, a light-reflecting layer, a phosphor layer and a surface protective layer. The light-reflecting layer has a thickness of 15 to 100 .mu.m and is made of 25 to 75 vol. % of TiO.sub.2 particles having a mean particle size of 0.1 to 0.5 .mu.m and a polymer birder. The phosphor layer has a thickness of 40 to 120 .mu.m and contains particles of phosphor which gives a main luminance in a wavelength region of longer than 430 nm. This radiographic intensifying screen is preferably placed between an object to be exposed to radiation and a radiographic film.
84 Radiation image storage panel and radiation image reading method US413904 1995-03-30 US5534710A 1996-07-09 Hideki Suzuki
A radiation image storage panel comprising a stimulable phosphor layer and an erasing light-diffusion preventive layer capable of allowing transmission of stimulated emission while preventing an erasing light from diffusing within the preventive layer along its plane is favorably employed in a radiation image reading system employing a double-side reading system in which a stimulating step and an erasing step are simultaneously performed in parallel on the same storage panel.
85 X-ray intensifying screen US122635 1993-09-17 US5432351A 1995-07-11 Sergio Pesce; Pierfiore Malfatto; Sergio Bruno
The present invention relates to an X-ray intensifying screen comprising a support, a reflective layer, and a phosphor layer, wherein said phosphor is selected in the group of UV-blue emitting phosphors having their emission maximum at a wavelength shorter than 450 nm, and wherein a fluorescent dye is dispersed into the reflective layer or into a fluorescent dye layer interposed between said reflective layer and said phosphor layer, said fluorescent dye having its spectral absorption maximum at a wavelength shorter than 400 nm and its spectral emission maximum at a wavelength longer than 400 nm.
86 Radiation image storage panel US164444 1993-12-09 US5378897A 1995-01-03 Hideki Suzuki
Disclosed is an improved radiation image storage panel having a stimulable phosphor layer and a reflecting-material layer. The stimulable phosphor layer contains a stimulable divalent europium activated barium fluorohalide phosphor, and the reflecting-material layer contains metal oxide which emits secondary X-rays having energy of 38-60 KeV. Also disclosed is a radiation image storage panel in which such metal oxide is contained in the above stimulable phosphor layer.
87 Luminescent storage screen having a stimulable phosphor US831501 1992-02-05 US5206514A 1993-04-27 Gerhard Brandner; Peter Hoebel
A luminescent storage screen having a stimulable phosphor for the latent storage of x-ray images, of the type wherein the latent image is read-out by excitation of the stimulable phosphor with a read-out beam having a first wavelength, causing radiation of a second wavelength to be emitted, which is acquired by a detector, the storage screen having lateral faces of disposed at an angle with respect to one of the end faces of the storage screen which is less than 90.degree.. The end faces are transparent so that radiation of the second wavelength can exit the screen from the end faces.
88 Method of forming an x-ray imaging array and the array US590846 1990-10-01 US5153438A 1992-10-06 Jack D. Kingsley; Robert F. Kwasnick
An electronic x-ray imaging array is provided by combining a two-dimensional photosensitive array with a structured scintillator array, having a common array pattern and suitable alignment marks thereon, by bonding them face-to-face in alignment for direct coupling of x-ray luminescence from the scintillator array to the photosensitive array.
89 Device of x-ray intensifying and anti-diffusion screens for intra-oral dental radiographic plates US410836 1989-09-22 US5033046A 1991-07-16 Jose M. Romero
A device of x-ray intensifying and anti-diffusion screens, for intra-oral dental radiographic plates of the kind employing a hermetic chassis cassette with a front and a back protective plate and having at least one intensifying plate emulsified with "rare earths", preferably gadolinium or lanthanum salts, related to one of the faces of the radio-graphic film to which it is faced. There is also an anti-diffusion plate made of metallic threads of predetermined thickness arranged in horizontal and vertical rows. This anti-diffusion plate is interposed between the object to by x-rayed and the intensifying screen and radiographic film, presenting between the anti-diffusion reticulated plate and the front intensifying screen, a separating plate of compressible material, and between the back protective plate and the back intensifying plate and/or the radiographic film, a plate of non-radiographic material, preferably lead.
90 Radiation image storage panel and process for the preparation of the same US512163 1990-04-20 US5032732A 1991-07-16 Yoshiteru Ito
Disclosed is a radiation image storage panel having on a support a stimulable phosphor layer comprising a binder and a stimulable phosphor dispersed therein and a light-reflecting layer comprising a binder and a light-reflecting material dispersed therein, said stimulable phosphor layer and said light-reflecting layer being combined via an adhesive layer, wherein any interfaces between the adhesive layer and the stimulable phosphor layer and between the adhesive layer and the light-reflecting layer are not substantially formed. Also disclosed is a process for the preparation of the radiation image storage panel wherein a dispersion of a light-reflecting material in a binder solution, a coating solution for the formation of an adhesive layer and a dispersion of a stimulable phosphor in a binder solution are applied in a superposed form in the foregoing order onto a surface of a support or a sheet, to form a light-reflecting layer, an adhesive layer and a stimulable phosphor layer simultaneously.
91 엑스선 이미지 센서용 섬광체패널 및 그 제조방법 KR1020090071499 2009-08-04 KR1020110013839A 2011-02-10 고종수; 정필구; 이치훈; 배공명; 이재민
PURPOSE: A scintillation panel for an X-ray image sensor and a method for manufacturing the same are provided to form a scintillation circular rod bunch by coating a reflective layer on the surface of scintillation. CONSTITUTION: An X-ray image includes a scintillation panel(30) and a light detection element(1). The light detection element includes a silicon substrate(2) and a photo diode(3). The scintillation panel includes a supporting part(11), a reflective layer(14), a scintillation(12), a scintillation protective layer(16). The supporting device passes through X-ray(20). The supporting part surrounds the scintillation. The reflective layer is formed between the supporting part and the scintillation.
92 방사선 촬영 장치 KR1020090031694 2009-04-13 KR1020090109061A 2009-10-19 트레드웰티모시존; 케르로저스탠리; 쿨핀스키로버트더블유; 요크스톤존; 워직티모시존; 입쿽-륭
PURPOSE: A dual-screen digital radiographic apparatus is provided to obtain an X-ray image of high quality by combining two images optimized for modulation transfer function(MTF) and sensitivity. CONSTITUTION: A radiographic apparatus(170) includes a first flash fluorescent screen, a second flash fluorescent screen, a substrate, and a photographing array. The first flash fluorescent screen(172) has a first thickness, and the second flash fluorescent screen(182) has a second thickness. The substrate(186) is arranged between the first and the second flash fluorescent screen and transparent to pass X-ray through it. The photographing array(176) is arranged between a first side of the substrate and one of the first and second flash fluorescent screens, and is composed of pixels(188) including at least one optical sensor(192) and at least one read element(190).
93 방사선 촬영 장치 KR1020097000775 2007-07-12 KR1020090031728A 2009-03-27 요크스톤존; 입궉-륭; 워직티모시
The present invention relates to radiographic imaging apparatus for taking X-ray images of an object. In various two-panel radiographic imaging apparatus configurations, a front panel and back panel have substrates, arrays of signal sensing elements and readout devices, and passivation layers. The front and back panels have scintillating phosphor layers responsive to X-rays passing through an object produce light which illuminates the signal sensing elements to provide signals representing X-ray images. The X-ray apparatus has means for combining the signals of the X-ray images to produce a composite X-ray image. Furthermore, the composition and thickness of the scintillating phosphor layers are selected, relative to each other, to improve the diagnostic efficacy of the composite X-ray image.
94 방사선 감응지 KR1019920024855 1992-12-17 KR100234136B1 2000-07-01 오자끼요시히데; 오또나리사또시; 기따마사히로
본 발명은 폴리에스테르 필름, 수용성 또는 수분산성 수지를 함유하고 상기 폴리에스테르 필름의 표면에 형성된 피복층, 상기 피복층위에 형성된 수지층 및 상기 수지층위에 형성된 형광체층을 포함하며, 형광체층의 접착성이 우수한 방사선 감응지에 관한 것이다.
95 APPARATUS FOR ASYMMETRIC DUAL-SCREEN DIGITAL RADIOGRAPHY PCT/US2007015972 2007-07-12 WO2008094184A2 2008-08-07 YORKSTON JOHN; YIP KWOK-LEUNG; WOJCIK TIMOTHY
The present invention relates to radiographic imaging apparatus for taking X-ray images of an object. In various two-panel radiographic imaging apparatus configurations, a front panel and back panel have substrates, arrays of signal sensing elements and readout devices, and passivation layers. The front and back panels have scintillating phosphor layers responsive to X-rays passing through an object produce light which illuminates the signal sensing elements to provide signals representing X-ray images. The X-ray apparatus has means for combining the signals of the X-ray images to produce a composite X-ray image. Furthermore, the composition and thickness of the scintillating phosphor layers are selected, relative to each other, to improve the diagnostic efficacy of the composite X-ray image.
96 積層型シンチレータパネル JP2016119665 2016-06-16 JP2017223568A 2017-12-21 有本 直; 礒田 圭
【課題】 シリコンウェハを用いた従来技術とは全く異なる手段で、高輝度で大面積化・厚層化が可能な格子形状の積層型シンチレータパネルを提供する。
【解決手段】 放射線を可視光に変換するシンチレータ層と非シンチレータ層が、放射線の入射方向に対して略平行方向に繰り返し積層された構造を有するシンチレータパネルであって、 前記非シンチレータ層が前記可視光を透過することを特徴とする積層型シンチレータパネル。
【選択図】 図1
97 ペロブスカイト結晶を含有する検出層 JP2017524047 2015-11-26 JP2017536698A 2017-12-07 フィッシャー レネ; カーニツ アンドレアス; オリヴァー シュミット; シュミット オリヴァー; フランチェスコ テッデ サンドロ
本発明は、基材上にある、ABX3型、及び/又はAB2X4型のペロブスカイト結晶を含有する検出層に関し、ここでAは、元素周期表の第四周期以降の、1価、2価、又は3価の元素少なくとも1種、好ましくはSn、Ba、Pb、Biであり、Bは、1価のカチオンであり、このカチオンの体積パラメータは、各元素Aにおいてペロブスカイト格子形成に相応しいものであり、Xは、ハロゲン化物、及び擬ハロゲン化物のアニオン、好ましくは塩化物、臭化物、及びヨウ化物のアニオン、並びにこれらの混合物から選択され、本発明はまた、この検出層(ペロブスカイト結晶で被覆された粒子)の製造方法、並びに本発明による検出層を用いた検出器に関する。
98 シンチレータパネル及び放射線検出器 JP2014216280 2014-10-23 JP2016085056A 2016-05-19 板屋 敬子; 飯島 誠
【課題】パネル自体の反りや、蛍光体層のクラック発生が改善されたシンチレータパネル及びそれを用いた放射線検出器を提供する。
【解決手段】フレキシブル基板上に蛍光体を配置したシンチレータパネルにおいて、フレキシブル基板と蛍光体の間に熱膨張吸収層を設け、熱膨張吸収層の線膨張係数が蛍光体の熱膨張係数より大きく、熱膨張吸収層とフレキシブル基板の接する面はともに有機材料から構成されることを特徴とするシンチレータパネル。
【選択図】図1
99 Radiation image detection device JP2012145285 2012-06-28 JP2014009992A 2014-01-20 NISHIDA YOICHI; NAKAMURA YUKINORI; ANZAI AKIHIRO
PROBLEM TO BE SOLVED: To provide a radiation image detection device having an excellent sensitivity.SOLUTION: A scintillator has plural columnar crystals formed of thallium activated cesium iodide which converts an X-ray into a visible light and output the same from the front end of columnar crystal. A photoelectric conversion panel detects a visible light output from the scintillator and generates charges. The molar ratio of the thallium with respect to the cesium iodide in the scintillator is within a range of 0.1 mol%-0.55 mol%. A half width of a rocking curve of a columnar crystal (200) face is 3° or less.
100 Radiation detector JP2011163111 2011-07-26 JP2013024833A 2013-02-04 SAITO TATSUYA; IWASAKI TATSUYA; YASUI NOBUHIRO; DEN TORU
PROBLEM TO BE SOLVED: To provide a radiation detector capable of suppressing an influence of a clearance between adjacent phase separation structures imposed on a captured image in a flat panel detector formed with a scintillator layer by tiling the phase separation structures having light propagation anisotropy.SOLUTION: The radiation detector comprises a two-dimensional photodetector consisting of multiple pixels; and a scintillator layer formed by two-dimensionally disposing a plurality of scintillator crystalline bodies on a light receiving surface of the two-dimensional photodetector. The scintillator crystalline body comprises two phases which are a first crystal phase formed of a material with a refractive index nthat forms multiple columnar crystals extending perpendicularly to the light receiving surface of the two-dimensional photodetector, and a second crystal phase formed of a material with a refractive index nthat is present between the multiple columnar crystals. A material with a refractive index nthat satisfies n≤n≤nor n≤n≤nis disposed between the adjacent scintillator crystalline bodies.
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