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    • 1. 发明授权
    • Method and apparatus for filament set height adjustment of a cathode cup assembly
    • 阴极杯组件灯丝组高度调节方法和装置
    • US06373922B1
    • 2002-04-16
    • US09574043
    • 2000-05-18
    • Dennis Joseph DalpeElena Rozier GearingDon Mark Lipkin
    • Dennis Joseph DalpeElena Rozier GearingDon Mark Lipkin
    • H01J3506
    • H01J35/06H01J9/00H01J2235/068
    • A method and apparatus are provided for adjusting a filament set height in a cathode of an x-ray tube. The method for adjusting a filament set height of a cathode comprises providing a cathode cup of an x-ray tube, the cathode cup comprising at least one bore extending therethrough; inserting a filament post through at least one bore such that the filament set height is below a desired filament set height; measuring an actual filament set height that results from the step of inserting; determining a filament set height adjustment distance in which the filament set height adjustment is generally equal to a difference between the actual filament set height and the desired filament set height; contacting an end of the filament lead with an adjustment tool; and moving the adjustment tool a distance substantially equal to the filament set height adjustment distance. Therefore, the filament is positioned at the predetermined filament set height.
    • 提供了一种用于调节x射线管阴极中灯丝组高度的方法和装置。 用于调节阴极的灯丝组高度的方法包括提供x射线管的阴极杯,阴极杯包括延伸穿过其中的至少一个孔; 通过至少一个孔插入细丝柱,使得灯丝组高度低于期望的灯丝组高度; 测量由插入步骤产生的实际灯丝组高度; 确定灯丝设置高度调节距离,其中灯丝设置高度调节通常等于实际灯丝组高度和所需灯丝设置高度之间的差值; 使灯丝引线的端部与调节工具接触; 并且将调节工具移动到与灯丝设定高度调节距离基本相等的距离。 因此,灯丝定位在预定的灯丝组高度。
    • 2. 发明授权
    • Emissive filament and support structure
    • 发光灯丝和支撑结构
    • US06259193B1
    • 2001-07-10
    • US09093046
    • 1998-06-08
    • Don Mark LipkinCarl Edward EriksonBernard Patrick BewlayDennis Joseph Dalpe
    • Don Mark LipkinCarl Edward EriksonBernard Patrick BewlayDennis Joseph Dalpe
    • H01J115
    • H01K7/02H01J1/18H01J9/04H01K1/14
    • A filament comprises a generally thin metal component, such as a sheet, ribbon, or foil. The filament comprises at least one emitter, at least one current-condensing structure and a tab on each end of the at least one emitter. Each tab is connectable to a support system, comprising for example a lead and attachment post. When a current is passed through the filament, the current-condensing structure establishes current flow through the filament resulting in a desired temperature distribution across the emitter, for example a substantially uniform temperature distribution. A predictive tool for determining a geometry of a filament to provide a desired temperature distribution is set forth. The filament may be curved, and methods and systems for providing a curved filament are also provided. Attachment systems are further disclosed for attaching an emitter to a support structure.
    • 长丝包括通常薄的金属部件,例如片,带或箔。 灯丝包括至少一个发射器,至少一个电流冷凝结构和至少一个发射器的每个端部上的突出部。 每个标签可连接到支撑系统,包括例如引线和附接柱。 当电流通过灯丝时,电流冷凝结构建立通过灯丝的电流,导致跨过发射器的所需温度分布,例如基本均匀的温度分布。 阐述了用于确定细丝几何形状以提供所需温度分布的预测工具。 丝可以是弯曲的,并且还提供了用于提供弯曲细丝的方法和系统。 进一步公开了用于将发射器附接到支撑结构的附接系统。
    • 3. 发明授权
    • Filament design, method, and support structure
    • 灯丝设计,方法和支撑结构
    • US06464551B1
    • 2002-10-15
    • US09583404
    • 2000-05-31
    • Don Mark LipkinCarl Edward EriksonBernard Patrick BewlayDennis Joseph Dalpe
    • Don Mark LipkinCarl Edward EriksonBernard Patrick BewlayDennis Joseph Dalpe
    • H01J904
    • H01K7/02H01J1/18H01J9/04H01K1/14
    • A filament comprises a generally thin metal component, such as a sheet, ribbon, or foil. The filament comprises at least one emitter, at least one current-condensing structure and a tab on each end of the at least one emitter. Each tab is connectable to a support system, comprising for example a lead and attachment post. When a current is passed through the filament, the current-condensing structure establishes current flow through the filament resulting in a desired temperature distribution across the emitter, for example a substantially uniform temperature distribution. A predictive tool for determining a geometry of a filament to provide a desired temperature distribution is set forth. The filament may be curved, and methods and systems for providing a curved filament are also provided. Attachment systems are further disclosed for attaching an emitter to a support structure.
    • 长丝包括通常薄的金属部件,例如片,带或箔。 灯丝包括至少一个发射器,至少一个电流冷凝结构和至少一个发射器的每个端部上的突出部。 每个标签可连接到支撑系统,包括例如引线和附接柱。 当电流通过灯丝时,电流冷凝结构建立通过灯丝的电流,导致跨过发射器的所需温度分布,例如基本均匀的温度分布。 阐述了用于确定细丝几何形状以提供所需温度分布的预测工具。 丝可以是弯曲的,并且还提供了用于提供弯曲细丝的方法和系统。 进一步公开了用于将发射器附接到支撑结构的附接系统。
    • 4. 发明授权
    • Refining and analysis of material using horizontal cold-crucible induction levitation melting
    • 使用水平冷坩埚诱导悬浮熔化的材料的精炼和分析
    • US06210478B1
    • 2001-04-03
    • US09346133
    • 1999-07-09
    • Bernard Patrick BewlayDon Mark LipkinDennis Joseph Dalpe
    • Bernard Patrick BewlayDon Mark LipkinDennis Joseph Dalpe
    • C30B1322
    • C30B13/30C30B13/00C30B29/52
    • A method and apparatus for locally and successively melting a material by induction heating using a horizontal floating-zone crucible to refine and/or analyze the material. An electromagnetic field is generated to create a localized molten zone within the material that is at least partially levitated within the crucible. The crucible has an upper peripheral opening so that an upper portion of the molten zone is generally at a higher temperature than the lower portion of the molten zone adjacent the crucible wall. As a result, insoluble inclusions within the material separate and float to the upper portion of the molten zone. The molten zone may be translated longitudinally through the material to drive the inclusions toward one end of the material. The process can be carried out to refine or characterize the material, or to determine the solidus and liquidus temperatures of the material.
    • 一种用于通过感应加热局部且连续地熔化材料的方法和装置,使用水平浮动区坩埚来精炼和/或分析材料。 产生电磁场以产生在坩埚内至少部分悬浮的材料内的局部熔融区。 坩埚具有上周边开口,使得熔融区的上部通常处于比邻近坩埚壁的熔融区的下部更高的温度。 结果,材料内的不溶性夹杂物分离并漂浮到熔融区的上部。 熔融区域可以纵向平移通过材料以朝向材料的一端驱动夹杂物。 该过程可以进行以细化或表征材料,或确定材料的固相和液相线温度。