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    • 1. 发明申请
    • LED LIGHT SOURCE
    • LED光源
    • US20110310608A1
    • 2011-12-22
    • US12818864
    • 2010-06-18
    • Walter P. LapatovichDavid W. HambyWilliam D. KoenigsbergAdam M. Scotch
    • Walter P. LapatovichDavid W. HambyWilliam D. KoenigsbergAdam M. Scotch
    • F21S4/00F21V29/00
    • F21V29/56F21K9/00F21V7/06F21V7/08F21V7/09F21V7/22F21V29/86F21V29/89F21Y2107/30F21Y2115/10
    • A lamp (10) has a concave reflector (12) that includes an opening (14) in the bottom thereof and is substantially symmetrically arrayed about a longitudinal axis (16). A light source (18) is positioned in the opening (14) and has a symmetry axis (19) that is coaxial with the longitudinal axis (16) of the reflector (12). The light source (18) comprises a hollow ceramic member (20) with an inner surface (22) and an outer surface (24). First and second electrically conductive traces (26, 28) and first and second rows (29, 31) of first and second electrically conductive pads (30, 32) connected by the electrically conductive traces (26, 28) are formed on the outer surface (24). Light emitting diodes (34) are associated with at least some of the electrically conductive pads (30, 32); and a heat-conducting mechanism (36) is contained within the hollow ceramic member (20) for removing heat generated by the light emitting diodes (34) when the light emitting diodes (34) are operating.
    • 灯(10)具有在其底部包括开口(14)并围绕纵向轴线(16)基本上对称排列的凹面反射器(12)。 光源(18)定位在开口(14)中并且具有与反射器(12)的纵向轴线(16)同轴的对称轴线(19)。 光源(18)包括具有内表面(22)和外表面(24)的中空陶瓷构件(20)。 通过导电迹线(26,28)连接的第一和第二导电迹线(26,28)和由导电迹线(26,28)连接的第一和第二导电焊盘(30,32)的第一和第二行(29,31)形成在外表面 (24)。 发光二极管(34)与至少一些导电焊盘(30,32)相关联; 并且在所述中空陶瓷构件(20)内容纳有导热机构(36),用于当所述发光二极管(34)工作时除去由所述发光二极管(34)产生的热量。
    • 8. 发明授权
    • X-ray colllimator for eliminating the secondary radiation and shadow
anomaly from microfocus projection radiographs
    • 用于消除微聚焦投影X射线照片中二次辐射和阴影异常的X射线聚焦器
    • US5033074A
    • 1991-07-16
    • US445218
    • 1989-12-04
    • Daniel J. CotterWilliam D. Koenigsberg
    • Daniel J. CotterWilliam D. Koenigsberg
    • G21K1/02
    • G21K1/02
    • A new and improved microfocus radiography system incorporating a novel x-ray collimating device for eliminating shadow anomalies caused by secondary radiation from materials within the path of x-rays emitting from an x-ray source. The improved system includes a body defining an opening through which primary radiation may pass from a focal spot x-ray source toward a sample, an x-ray window covering the distal end of the opening, x-ray detection means, and an internal collimator to suppress secondary radiation. The window is penetrable by primary radiation passing through the opening with negligible generation of secondary radiation. The collimator defines an aperture and is disposed along the path of the radiation between said focal spot and said window so as to attenuate any passing primary radiation not directly striking the x-ray window. The collimator is formed from a material having a low vapor pressure at temperatures and pressures at which the system is operated. Portions of said collimator exposed to the passing primary radiation are formed from a material selected to attenuate any passing primary radiation not directly striking the x-ray window, and which generates negligible secondary radiation on exposure to said primary radiation.
    • 一种新的和改进的微聚焦射线照相系统,其结合了用于消除由从X射线源发射的x射线的路径内的材料的二次辐射引起的阴影异常的新型x射线准直装置。 改进的系统包括:主体,其限定一个主要辐射可以从焦斑x射线源朝向样本穿过的开口,覆盖开口的远端的x射线窗口,x射线检测装置和内部准直器 抑制二次辐射。 通过初级辐射通过开口可以忽略不计的次级辐射,可以使窗户穿透窗口。 准直器限定孔径并且沿着所述焦点和所述窗口之间的辐射路径设置,以便衰减任何通过的不直接射入X射线窗口的一次辐射。 准直器由在系统操作的温度和压力下具有低蒸气压的材料形成。 暴露于通过的初级辐射的所述准直器的部分由所选择的材料形成,所述材料被选择为衰减任何通过的不直接冲击X射线窗口的初级辐射,并且在暴露于所述主辐射时产生可忽略的次级辐射。