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    • 1. 发明授权
    • Method and apparatus for producing x-rays
    • 用于生产X射线的方法和装置
    • US5504796A
    • 1996-04-02
    • US347656
    • 1994-11-30
    • Enio F. Da SilveiraKevin B. RayEmile A. SchweikertMelvin A. ParkWilliam D. James
    • Enio F. Da SilveiraKevin B. RayEmile A. SchweikertMelvin A. ParkWilliam D. James
    • H01J35/00H01J35/14
    • H01J35/00
    • A portable x-ray tube 68 for producing x-rays, the tube 68 having an energy source 74 which directs energetic particles or photons at an electron multiplier 80 coupled to the energy source 74. A voltage source 84 applies a multiplier voltage across the electron multiplier 80. When triggered by the energy source 74, the electron multiplier 80 creates a multitude of electrons 28 directed towards a target anode 90 that receives the electrons and produces x-rays 30. The target anode 90 is coupled at a voltage difference of at least 3 kV relative to the electron multiplier 80 so as to define an electron acceleration region 32 between the electron multiplier 80 and the target anode 90. The target anode 90 contains an element having an atomic number greater than 11. A low pressure enclosure 70 contains the electron multiplier 80 and the target anode 90. The low pressure enclosure 70 includes a window 92 for allowing the x-rays 30 to pass through substantially unchanged.
    • 用于产生x射线的便携式x射线管68,管68具有能量源74,能量源74将能量粒子或光子引导到耦合到能量源74的电子倍增器80.电压源84在电子两端施加乘法器电压 当由能量源74触发时,电子倍增器80产生指向接收电子并产生x射线30的目标阳极90的多个电子28.目标阳极90以一个电压差 相对于电子倍增器80至少3kV,以便在电子倍增器80和目标阳极90之间限定电子加速区32.目标阳极90包含原子序数大于11的元素。低压外壳70包含 电子倍增器80和目标阳极90.低压外壳70包括用于允许X射线30基本上不变通过的窗口92。
    • 8. 发明授权
    • Apparatus for supporting and displaying objects
    • 用于支撑和显示物体的装置
    • US5341942A
    • 1994-08-30
    • US37312
    • 1993-03-25
    • William D. James, Jr.
    • William D. James, Jr.
    • A47F7/00
    • A47F7/0042
    • This invention discloses a support and display apparatus for supporting and displaying disc-like objects of predetermined size and shape, the support and display apparatus comprising at least one elongated structural member having a width, a thickness, a length, and an upper surface, the length of the elongated structural member being at least equal to an overall dimension of a face of a disc-like object which is to be supported and displayed, the structural member having a uniform continuous groove formed in its upper surface, the continuous groove having a bottom surface and opposed front and back sides, the front and back sides being spaced from each other at any opposed corresponding point by a space at least equal to the thickness of a disc-like object which is to be supported and displayed.The structural members may be joined together to support and display a relatively large array of disc-like objects.
    • 本发明公开了一种用于支撑和显示具有预定尺寸和形状的盘状物体的支撑和显示装置,该支撑和显示装置包括具有宽度,厚度,长度和上表面的至少一个细长结构构件, 所述细长结构构件的长度至少等于待支撑和显示的盘状物体的面的整体尺寸,所述结构构件在其上表面上形成均匀的连续槽,所述连续槽具有 底表面和相对的前后侧,前后两侧在任何相对的对应点处彼此间隔开至少等于待支撑和显示的盘状物体的厚度的空间。 结构构件可以连接在一起以支撑和显示相对大的盘状物体阵列。