Filter apparatus for use with an x-ray source
    1.
    发明公开
    Filter apparatus for use with an x-ray source 失效
    Filtervorrichtung zur Anwendung mit einerRöntgenstrahlenquelle。

    公开(公告)号:EP0182477A2

    公开(公告)日:1986-05-28

    申请号:EP85307016.7

    申请日:1985-10-01

    摘要: Filter apparatus for use in x-ray equipment including a repetitively pulsed x-ray source, a window for transmitting x-rays generated by the source to an object to be irradiated, and a vacuum chamber containing the x-ray source and the filter apparatus. The filter apparatus includes a baffle for diffusing hot gases and directing them away from the window. The filter apparatus further includes an ultraviolet light absorber which overlies the window with respect to the x-ray source whereby undesirable components generated with the x-rays by the x-ray source are substantially eliminated prior to reaching the window. Also disclosed is a method of eliminating undesirable by-products of x-ray generation.

    摘要翻译: 用于x射线设备的过滤装置,包括重复脉冲的X射线源,用于将源产生的x射线传送到被照射物体的窗口,以及包含x射线源和滤光器装置的真空室 。 过滤装置包括用于扩散热气体并使其远离窗口的挡板。 过滤装置还包括相对于x射线源覆盖窗口的紫外光吸收体,由此在到达窗口之前基本上消除了由x射线源产生的x射线产生的不期望的组分。 还公开了消除x射线产生的不合需要的副产物的方法。

    METHOD AND APPARATUS FOR ACCELERATING CHARGED PARTICLES
    3.
    发明公开
    METHOD AND APPARATUS FOR ACCELERATING CHARGED PARTICLES 失效
    方法和设备加速带电粒子研究。

    公开(公告)号:EP0062058A1

    公开(公告)日:1982-10-13

    申请号:EP81902878.0

    申请日:1981-10-05

    发明人: ROSTOKER, Norman

    IPC分类号: H05H7 H05H11

    CPC分类号: H05H11/00 H05H7/08

    摘要: Procede et moyen d'acceleration de faisceaux de particules chargees a hautes densites de courant aux energies relativistes tels que, par exemple, ceux qui sont utilises dans un betatron (100) capable de porter un courant de plusieurs dizaines de kiloamperes a des energies jusqu'a 300 Mev. Le principe de base sur lequel repose la presente invention consiste a contenir un faisceau de particules chargees, plus particulierement un faisceau d'electrons, a l'aide d'un champ magnetique engendre par un courant dans un enroulement (103) orientant le champ le long du faisceau. Au fur et a mesure que l'intensite du champ magnetique s'accroit en fonction du temps, le faisceau d'electrons se comprime dans la direction transversale au faisceau dans une region de haute densite de charge. Les electrons peuvent ensuite etre acceleres dans le sens du champ magnetique pour former un faisceau ultra-relativiste. A de telles energies, le faisceau tend a se stabiliser et le champ magnetique de contention n'est plus necessaire. On peut donc laisser decroitre le champ magnetique.

    Feed-through filter capacitor assembly for human implant
    4.
    发明公开
    Feed-through filter capacitor assembly for human implant 失效
    一个滤波电容器用于植入人体的实现。

    公开(公告)号:EP0623363A3

    公开(公告)日:1997-05-28

    申请号:EP94106246.5

    申请日:1994-04-21

    IPC分类号: A61N1/375 H01G4/42

    摘要: A feedthrough filter capacitor assembly (10) and related installation method are provided for shielding a conductive terminal pin or lead (12) of the type used, for example, in an implantable medical device such as a heart pacemaker or defibrillator, against passage of external interference signals. The feedthrough assembly (10) includes a terminal pin subassembly (26) having at least one terminal pin (12) supported within a cylindrical conductive ferrule (28) by a hermetically sealed insulator ring (30). The ferrule (28) is adapted for mounting onto a conductive pacemaker housing (22), as by welding or brazing, to support the terminal pin (12) for feedthrough passage to the housing interior. A co-axial filter capacitor (24) is mounted at an inboard side of the pacemaker housing (22), with capacitor electrode plate sets (40,42) coupled respectively to the pacemaker housing (22) and to the terminal pin (12) by a conductive adhesive (54) or the like. In one preferred form, multiple filter capacitors are provided in a substantially coplanar array within a common base structure, with each capacitor in association with a respective terminal pin.

    METHOD AND SYSTEM FOR CONTROL OF A MATERIAL REMOVAL PROCESS USING SPECTRAL EMISSION DISCRIMINATION
    6.
    发明公开
    METHOD AND SYSTEM FOR CONTROL OF A MATERIAL REMOVAL PROCESS USING SPECTRAL EMISSION DISCRIMINATION 失效
    利用谱发射辨别来控制材料去除过程的方法和系统

    公开(公告)号:EP0618850A1

    公开(公告)日:1994-10-12

    申请号:EP93901187.0

    申请日:1992-12-17

    IPC分类号: B23K26 B44D3

    摘要: L'invention concerne un système et une méthode d'enlèvement de matériau d'une structure, qui consistent: (a) à générer un faisceau de lumière (12, 549) en provenance d'une source appropriée (10, 512); (b) à irradier le matériau de surface (18, 20) d'une structure (14) au moyen du faisceau de lumière avec une intensité suffisante pour enlever le matériau de surface et faire en sorte que ledit matériau de surface génère des spectres (17) à des intensités différentes; (c) à balayer la structure avec le faisceau de lumière à une certaine vitesse de balayage; (d) à contrôler les émissions spectrales (17) afin de détecter un signal d'émission spectrale ayant une longueur d'onde sélectionnée et générant un signal électronique de sortie (29a) représentatif de l'intensité du signal d'émission spectrale sélectionné en réponse à la détection du signal d'émission spectrale sélectionné; (e) à déterminer une vitesse de balayage mise à jour apparentée de manière fonctionnelle au signal de sortie électronique; et (f) à contrôler la vitesse de balayage de manière qu'elle soit égale à la vitesse de balayage mise à jour. Selon un second mode de réalisation, la vitesse de balayage mise à jour est déterminée d'après l'intensité des signaux d'émission spectrale (17) détectés à intervalles prédéterminés lorsque la structure est illuminée par une source de lumière pulsée (512) telle qu'une lampe à éclairs. Selon un troisième mode de réalisation, la vitesse de balayage mise à jour est déterminée d'après l'intensité des signaux d'émission spectrale résultant d'une impulsion laser irradiant la structure lorsque le faisceau lumineux est approximativement à la puissance minimum.

    摘要翻译: 一种用于从结构去除材料的系统和方法包括:(a)从适当的源(10,512)产生光束(12,549); (b)借助于具有足够强度的光束照射结构(14)的表面材料(18,20)以去除表面材料并使所述表面材料产生光谱( 17)以不同的强度; (c)以一定扫描速度用光束扫描该结构; (d)监测光谱发射(17)以检测具有选定波长的光谱发射信号并产生表示选择的光谱发射信号强度的输出电子信号(29a) 响应于所选择的频谱发射信号的检测; (e)确定可操作地与电子输出信号相关的更新的扫描速率; 和(f)控制扫描速率等于更新的扫描速率。 根据第二实施例,更新的扫描速度由当脉冲光源(512)照射结构时以预定间隔检测到的光谱发射信号(17)的强度来确定,例如 比手电筒。 根据第三实施例,当光束处于近似最小功率时,根据照射结构的激光脉冲产生的光谱发射信号的强度来确定更新的扫描速率。

    BI-mode high voltage resonant power supply
    7.
    发明公开
    BI-mode high voltage resonant power supply 失效
    Hochspannungsresonanzstromversorgung mit zwei Betriebsarten。

    公开(公告)号:EP0498631A2

    公开(公告)日:1992-08-12

    申请号:EP92300957.5

    申请日:1992-02-04

    IPC分类号: H02M7/5387

    摘要: A capacitor-charging series resonant mode, high voltage power supply (SRMPS) (10) operates in one of two modes as controlled by a control circuit (36). The SRMPS includes a switching network (30) that alternately applies a positive and negative voltage to a series resonant circuit that includes the primary winding (14) of a power transformer (12). The switching action occurs at a fixed frequency above the audible range that is approximately the resonant frequency of the series resonant circuit. The switching action causes sine wave quantums of current of alternating phase to flow through the primary winding. Secondary windings (16) of the transformer are coupled through a suitable rectifying network (18) to charge a load capacitor C L to a high voltage. During a first mode of operation, the load capacitor is charged at a maximum rate. During a second mode of operation, the load capacitor is charged only as needed to maintain a desired charge thereon. Switching between the two modes occurs automatically depending upon the capacitive load requirements of the SRMPS. The first mode operates with a control loop open, and is used when initially charging the load capacitor. The second mode operates with the control loop closed, at a low duty cycle, and allows only a small sliver of the front end of the sine wave current quantum to flow through the primary winding.

    摘要翻译: 电容充电串联谐振模式,高压电源(SRMPS)(10)以控制电路(36)控制的两种模式之一工作。 SRMPS包括交换网络(30),其交替地向包括电力变压器(12)的初级绕组(14)的串联谐振电路施加正电压和负电压。 开关动作发生在高于串联谐振电路的谐振频率的可听范围之上的固定频率处。 开关动作使交流相电流的正弦波量程流过初级绕组。 变压器的次级绕组(16)通过适当的整流网络(18)耦合,以将负载电容器CL充电至高电压。 在第一操作模式期间,负载电容器以最大速率充电。 在第二种操作模式中,负载电容器仅在需要时被充电以在其上保持所需的电荷。 根据SRMPS的容性负载要求,两种模式之间的切换会自动进行。 第一种模式在控制回路打开状态下工作,并在最初为负载电容充电时使用。 第二模式在控制回路闭合时以低占空比工作,并且仅允许正弦波电流量程前端的小条子流过初级绕组。

    FILTER APPARATUS FOR USE WITH AN X-RAY SOURCE
    9.
    发明公开
    FILTER APPARATUS FOR USE WITH AN X-RAY SOURCE 失效
    使用X射线源的过滤器

    公开(公告)号:EP0182477A3

    公开(公告)日:1988-05-04

    申请号:EP85307016

    申请日:1985-10-01

    摘要: Filter apparatus for use in x-ray equipment including a repetitively pulsed x-ray source, a window for transmitting x-rays generated by the source to an object to be irradiated, and a vacuum chamber containing the x-ray source and the filter apparatus. The filter apparatus includes a baffle for diffusing hot gases and directing them away from the window. The filter apparatus further includes an ultraviolet light absorber which overlies the window with respect to the x-ray source whereby undesirable components generated with the x-rays by the x-ray source are substantially eliminated prior to reaching the window. Also disclosed is a method of eliminating undesirable by-products of x-ray generation.

    摘要翻译: 用于x射线设备的过滤装置,包括重复脉冲的X射线源,用于将源产生的x射线传送到被照射物体的窗口,以及包含x射线源和滤光器装置的真空室 。 过滤装置包括用于扩散热气体并使其远离窗口的挡板。 过滤装置还包括相对于x射线源覆盖窗口的紫外光吸收体,由此在到达窗口之前基本上消除了由x射线源产生的x射线产生的不期望的组分。 还公开了消除x射线产生的不合需要的副产物的方法。

    Winding apparatus
    10.
    发明公开
    Winding apparatus 失效
    Wickelapparat。

    公开(公告)号:EP0109833A1

    公开(公告)日:1984-05-30

    申请号:EP83307027.9

    申请日:1983-11-17

    IPC分类号: H01F41/02

    CPC分类号: H01F41/0213

    摘要: Winding apparatus for manufacturing transformer cores includes a ribbon-dispensing assembly (12) which travels in a predetermined path about a stationary mandrel (14) to deposit successive layers of ribbon upon the mandrel under controlled tension while applying transverse pressure to the peripheral surface of the winding to press air from between the layers. In the preferred embodiment, a counterbalanced rotating track (28) engages the ribbon-dispensing assembly as it travels around the mandrel.

    摘要翻译: 用于制造变压器铁芯的绕线装置包括一个带状分配组件(12),其沿预定的路径围绕固定的心轴(14)行进,以在受控的张力下将连续的带状层沉积在心轴上,同时对其的外围表面施加横向压力 缠绕以从层之间挤压空气。 在优选实施例中,当色带分配组件围绕心轴行进时,平衡旋转轨道(28)接合带状分配组件。