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13 条记录 (耗时 0.014 秒)

    Photostimulable phosphors
    1.
    发明授权
    Photostimulable phosphors 失效
    光致发光荧光粉

    公开(公告)号：US5422220A

    公开(公告)日：1995-06-06

    申请号：US243516

    申请日：1994-05-16

    申请人： Paul Leblans ,  Albert D. Adriaensens ,  Melvin Tecotzky ,  Jan A. Van den Bogaert

    发明人： Paul Leblans ,  Albert D. Adriaensens ,  Melvin Tecotzky ,  Jan A. Van den Bogaert

    IPC分类号： C09K11/00 ,  C09K11/61 ,  C09K11/77 ,  C09K11/85 ,  G21K4/00 ,  G03C5/16

    CPC分类号： G21K4/00 ,  C09K11/7791 ,  G21K2004/06 ,  Y10S430/146 ,  Y10S430/167 ,  Y10S430/168

    摘要： A photostimulable phosphor of which the emission intensity at the stimulation wavelength of 550 nm is higher than the emission intensity at the stimulation wavelength of 600 nm, characterized in that said phosphor is a divalent europium activated barium fluorobromide containing as codopant samarium, and wherein the terminology barium fluorobromide stands for an empirical formula wherein (1) a minor part of the barium (less than 50 atom %) is replaced optionally by at least one metal selected from the group consisting of a monovalent alkali metal, a divalent alkaline earth metal other than barium, and a trivalent metal selected from the group consisting of Al, Ga, In, Tl, Sb, Bi, Y, and a rare earth metal selected from the group consisting of Ce, Pr, Nd, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu, (2) a minor part (less than 50 atom %) of the bromine is replaced by chlorine, and/or iodine, and (3) wherein fluorine is present stoichiometrically in a larger atom % than bromine taken alone or bromine combined with chlorine and/or iodine.

    摘要翻译： 激发波长为550nm的发光强度高于600nm的刺激波长下的发光强度的光激发性荧光体，其特征在于，所述荧光体是含有共价掺杂钐的二价铕活化的氟化溴化钡，其特征在于， 氟溴化钡代表经验式，其中（1）少部分钡（小于50原子％）被任选地由至少一种选自以下的金属替代：一价碱金属，除二价碱金属以外的二价碱土金属 钡和选自Al，Ga，In，Tl，Sb，Bi，Y和选自Ce，Pr，Nd，Gd，Tb，Dy，Ho的稀土金属的三价金属 ，Er，Tm，Yb和Lu，（2）溴的少量部分（小于50原子％）被氯和/或碘取代，（3）其中氟以比原子％更大的原子比存在化学计量比 溴或溴 ne与氯和/或碘结合。

    Photostimulable phosphor and radiation image recording and reproducing method
    3.
    发明授权
    Photostimulable phosphor and radiation image recording and reproducing method 失效
    可照射荧光粉和放射线图像记录和再现方法

    公开(公告)号：US5629125A

    公开(公告)日：1997-05-13

    申请号：US438308

    申请日：1995-05-10

    申请人： Paul Leblans ,  Albert D. Adriaensens ,  Melvin Tecotzky

    发明人： Paul Leblans ,  Albert D. Adriaensens ,  Melvin Tecotzky

    IPC分类号： C09K11/77 ,  G21K4/00 ,  G03C5/17 ,  C09K11/08

    CPC分类号： G21K4/00 ,  C09K11/7733 ,  G21K2004/06 ,  Y10S430/146

    摘要： A photostimulable phosphor, wherein said phosphor is within the scope of the following empirical formula (A):Ba.sub.1-x-y-p-z Sr.sub.x M.sub.y.sup.II Cs.sub.2p F.sub.2-a-b Br.sub.a X.sub.b :zEuwherein:X is at least one halogen selected from the group consisting of Cl and I,M.sup.II is at least one alkaline earth metal selected from the group consisting of Ca and Mg;x is in the range 0.10.ltoreq.x.ltoreq.0.55;a is in the range 0.70.ltoreq.a.ltoreq.0.96;y is in the range 0.ltoreq.y.ltoreq.0.10;b is in the range 0.ltoreq.b

    摘要翻译： 一种可光激发的荧光体，其中所述荧光体在以下经验式（A）的范围内：Ba1-xyp-zSrxMyIICs2pF2-a-bBraXb：zEu其中：X是至少一种选自Cl和I的卤素，MII 是选自Ca和Mg中的至少一种碱土金属; x在0.10≤x≤0.55的范围内; a在0.70

    Photodynamic therapy apparatus and methods
    5.
    发明授权
    Photodynamic therapy apparatus and methods 失效
    光动力治疗仪和方法

    公开(公告)号：US5944748A

    公开(公告)日：1999-08-31

    申请号：US900975

    申请日：1997-07-25

    申请人： David Mager ,  Harvey I. Pass ,  Melvin Tecotzky

    发明人： David Mager ,  Harvey I. Pass ,  Melvin Tecotzky

    IPC分类号： A61B19/00 ,  A61N5/06 ,  A61B17/36

    CPC分类号： A61N5/062 ,  A61N5/0601 ,  A61B2090/0436 ,  A61B2090/049 ,  A61N2005/0636 ,  A61N2005/0651 ,  A61N2005/0652

    摘要： A device for applying light in photodynamic therapy is arranged to apply light in a pattern corresponding to the configuration of the lesion to be treated. The device may be customized in response to an image of the patient acquired before treatment. Alternatively, the device may include sensors for detecting a characteristic of tissue overlying each region of the device so that the device either emits light or does not emit light in each region depending upon the characteristics of the overlying tissue.

    摘要翻译： 用于在光动力疗法中施加光的装置被布置成以对应于待治疗的病变的构造的图案施加光。 可以响应于治疗前获得的患者的图像来定制装置。 或者，装置可以包括用于检测覆盖设备的每个区域的组织的特性的传感器，使得该装置根据上覆组织的特征发射光或不发光。

    Reproduction of X-ray images with photostimulable phosphor
    6.
    发明授权
    Reproduction of X-ray images with photostimulable phosphor 失效
    用可光激发荧光粉再现X射线图像

    公开(公告)号：US5140163A

    公开(公告)日：1992-08-18

    申请号：US245621

    申请日：1988-09-16

    申请人： Melvin Tecotzky ,  George Blasse ,  Andries Meijerink ,  David R. Terrell ,  Luc A. Struye

    发明人： Melvin Tecotzky ,  George Blasse ,  Andries Meijerink ,  David R. Terrell ,  Luc A. Struye

    IPC分类号： C09K11/77 ,  G21K4/00 ,  G01N23/04 ,  C09K11/46

    CPC分类号： G21K4/00 ,  C09K11/7721 ,  C09K11/7734 ,  C09K11/7774 ,  C09K11/7792

    摘要： A method for recording and reproducing an X-ray image is provided which method comprises the steps of:(1) causing a photostimulable phosphor to absorb image-wise or pattern-wise modulated X-rays,(2) photostimulating said phosphor with stimulating electromagnetic radiation selected from visible light and infrared light to release from the phosphor in accordance with the absorbed X-rays electromagnetic radiation different in wavelength characteristic from the radiation used in the photo-stimulation, and(3) detecting said light emitted by photostimulation, wherein said phosphor is a halosilicate containing as host metal at least one member selected from the group consisting of Ca, Sr, Ba, Mg, Cd, Zn and Pb, as halogen at least one member selected from the group consisting of Cl, Br and I, and comprising as dopant(s) Eu.sup.2+ and/or Cr.sup.3+.

    摘要翻译： 提供了一种用于记录和再现X射线图像的方法，该方法包括以下步骤：（1）使可光激发的荧光体吸收图像或图案调制的X射线，（2）用刺激电磁照射所述荧光体 从可见光和红外光中选择的辐射根据吸收的在光刺激中使用的辐射的波长特性不同的X射线电磁辐射从磷光体中释放，以及（3）检测由光刺激发射的所述光，其中所述 荧光体是含有选自Ca，Sr，Ba，Mg，Cd，Zn和Pb中的至少一种作为主体金属的卤硅酸，作为卤素，选自Cl，Br和I中的至少一种， 并且包含Eu 2+和/或Cr 3+作为掺杂剂。

    Alpha barium zinc cadmium sulfide phosphors and method
    7.
    发明授权
    Alpha barium zinc cadmium sulfide phosphors and method 失效
    α钡钡硫化镉荧光粉及方法

    公开(公告)号：US3970582A

    公开(公告)日：1976-07-20

    申请号：US637840

    申请日：1975-12-04

    申请人： Albert K. Fan ,  Melvin Tecotzky

    发明人： Albert K. Fan ,  Melvin Tecotzky

    IPC分类号： C09K11/08 ,  C09K11/56 ,  C09K11/46

    CPC分类号： C09K11/565 ,  C09K11/0816

    摘要： New phosphors which may be activated to luminesce in the red to green portion of the spectrum have an alpha crystal structure isostructural with Ba.sub.2 MnS.sub.3 and the compositionBa.sub.2 Zn.sub.1.sub.-y Cd.sub.y S.sub.3 : A.sub.w.sup.. zZnSwherein A is an activator element selected from the group consisting of manganese, europium, cerium, lead and terbium, y is a numerical value in the range from 0 to 1, z is a numerical value in the range from 0 to 20, and w is a numerical value in the range from 0.00001 to 0.1. Methods of making these phosphors are described.

    摘要翻译： 可以被活化以发光的红色至绿色部分的新的荧光体具有与Ba2MnS3同构的α晶体结构和组成Ba2Zn1-yCyS3：Aw。

    Method and apparatus for non-invasive imaging including quenchable phosphor-based screens
    8.
    发明授权
    Method and apparatus for non-invasive imaging including quenchable phosphor-based screens 失效
    用于非侵入性成像的方法和装置，包括可淬灭的基于荧光体的屏幕

    公开(公告)号：US5514874A

    公开(公告)日：1996-05-07

    申请号：US192770

    申请日：1994-02-07

    申请人： John M. Boone ,  Melvin Tecotzky

    发明人： John M. Boone ,  Melvin Tecotzky

    IPC分类号： G01T1/20 ,  G21K4/00

    CPC分类号： G01T1/20 ,  G21K4/00 ,  G21K2004/06

    摘要： An invention is described which uses quenchable phosphors to achieve a novel emission response in intensifying screens. The quenchable phosphor has the characteristic of reducing its efficiency of converting incident x-ray, gamma ray, or ionizing particulate radiations into emitted radiation in the ultraviolet (UV), visible or infrared (IR) regions of the electromagnetic spectrum when being essentially simultaneously irradiated by a spectrum of radiation of a specific range in the UV to visible to IR spectrum. The quenchable phosphor is combined with another class of phosphor, which emits the spectrum of radiation when struck by ionizing radiation which is similar or identical to the quenching radiation of the quenchable phosphor. These phosphors can be combined in a variety of geometrical manners, both homogeneously and heterogeneously, to achieve extended dynamic range and spatial frequency filtering for radiographic imaging systems. The invention has equal application for electronic imaging systems such as x-ray image intensifiers. In addition, a system comprising the quenchable phosphors can be built in such a manner as to overcome the optical stage quantum sink limitations in electronic imaging.

    摘要翻译： 描述了使用可淬火磷光体在增强屏幕中实现新型发射响应的发明。 淬火磷光体的特征在于，当基本上同时照射时，将入射的x射线，γ射线或电离微粒辐射转换成电磁光谱的紫外（UV），可见光或红外（IR）区域的发射辐射的效率降低 通过紫外线的特定范围的辐射光谱对红外光谱可见。 可淬灭的磷光体与另一类磷光体组合，当通过与可淬火磷光体的淬灭辐射相似或相同的电离辐射而发射辐射光谱时。 这些荧光体可以以各种几何方式组合，均匀和不均匀，以实现用于放射照相成像系统的扩展的动态范围和空间频率滤波。 本发明对诸如x射线图像增强器的电子成像系统具有相同的应用。 此外，包括可淬火磷光体的系统可以以克服电子成像中的光学级量子阱限制的方式构建。

    Cathode ray tube containing silicon sensitized rare earth oxysulfide phosphors
    9.
    发明授权
    Cathode ray tube containing silicon sensitized rare earth oxysulfide phosphors 失效
    含硅敏感的稀土氧化物荧光体的阴极射线管

    公开(公告)号：US3950668A

    公开(公告)日：1976-04-13

    申请号：US567386

    申请日：1975-04-11

    申请人： James J. Mattis ,  Melvin Tecotzky

    发明人： James J. Mattis ,  Melvin Tecotzky

    IPC分类号： C09K11/77 ,  H01J29/20

    CPC分类号： C09K11/7771

    摘要： Rare earth oxysulfide phosphors with excellent optical properties and optimum particle size control for use as cathodo-luminescent phosphors in cathode ray tubes are prepared by treating a solution of at least one salt of a rare earth metal and a salt of a rare earth activator to form solid salts and thereafter heating the oxidic compound with a sulfidizing agent and a silicon sensitizer, preferably in the presence of a fluoride. The rare earth oxysulfide phosphors thus obtained contain from 10 to 1,000 p.p.m. silicon sensitizer and, if used, 20 to 500 p.p.m. fluoride, incorporated in the crystal lattice structure.