PLASMA-RÖNTGENRÖHRE, INSBESONDERE ZUR RÖNTGEN-VORIONISIERUNG VON GASLASERN, UND VERWENDUNG ALS ELEKTRONENKANONE
    33.
    发明授权
    PLASMA-RÖNTGENRÖHRE, INSBESONDERE ZUR RÖNTGEN-VORIONISIERUNG VON GASLASERN, UND VERWENDUNG ALS ELEKTRONENKANONE 失效
    等离子X射线管,特别是用于X射线辐射气体激光,并用作电子枪

    公开(公告)号:EP0398995B1

    公开(公告)日:1993-06-23

    申请号:EP89904542.1

    申请日:1989-04-07

    CPC classification number: H05G2/003 H01J3/025 H01J17/40 H01J33/00 H01S3/09716

    Abstract: In the preferred application for preionizing TE lasers, in particular excimer lasers, the plasma X-ray tube (ER), which can also be referred to as single-chamber ion tube, has an elongated, box-shaped housing (G) including in its inside an also elongated cylindrical cathode (K) of generally U-shaped cross-section, the open end of which faces the X-ray target in the form of a gastight film. An elongated wire-shaped initiating electrode (11) is arranged between X-ray target (1) and cylindrical cathode (K). An electrical field is generated around the initiating electrode (11) by applying thereto a positive voltage or voltage pulse. The field thus generated forces the electrons which are present because of the ambient radiation to form long spiral paths, thus ionising gas atoms. Electron avalanches develop and initiate the wire discharge. Ions (i+) are extracted from the low-pressure plasma (3) by applying to the cylindrical cathode (K) a beam potential of typically between 60 kV and a maximum of 120 kV, and accelerated against the cylindrical cathode (K). On impact of the ions from the cylindrical cathode (K), secondary electrons are emitted and accelerated in the opposite direction, thus forming the electron beam (E), which on striking the X-ray target (1) creates the X-ray bremsstrahlung (X). Said plasma X-ray tube is also basically suitable as an electron gun: for this application, the film used as an electron window covering the window opening in the target holding wall need only be designed so as to be accordingly radiolucent to electron beams.

    A surface discharge plasma cathode electron beam generating assembly
    35.
    发明公开
    A surface discharge plasma cathode electron beam generating assembly 失效
    表面放电等离子体阴极电子束生成组件

    公开(公告)号:EP0421648A3

    公开(公告)日:1991-09-18

    申请号:EP90310416.4

    申请日:1990-09-24

    CPC classification number: H01J3/025 H01S3/038 H01S3/09716

    Abstract: A surface discharge plasma cathode electron beam generating assembly (1) includes an anode (2) maintainable at a substantially constant first potential, a cathode device (3) having a first electrically conductive member (4), a dielectric member (5) at least partially surrounding the first member (4) and electrically conductive means (6) located on the outer surface of the dielectric member (5) and insulated therefrom. A capacitative divider circuit (7) is provided for maintaining the first electrically conductive member (4) at a second potential different from the first potential and for maintaining the electrically conductive means (6) at a high negative third potential relative to the first and second potentials.

    A surface discharge plasma cathode electron beam generating assembly
    36.
    发明公开
    A surface discharge plasma cathode electron beam generating assembly 失效
    Elektronenstrahl-Erzeugungsvorrichtung mit einerOberflächen-Entladungsplasma-Kathode。

    公开(公告)号:EP0421648A2

    公开(公告)日:1991-04-10

    申请号:EP90310416.4

    申请日:1990-09-24

    CPC classification number: H01J3/025 H01S3/038 H01S3/09716

    Abstract: A surface discharge plasma cathode electron beam generating assembly (1) includes an anode (2) maintainable at a substantially constant first potential, a cathode device (3) having a first electrically conductive member (4), a dielectric member (5) at least partially surrounding the first member (4) and electrically conductive means (6) located on the outer surface of the dielectric member (5) and insulated therefrom. A capacitative divider circuit (7) is provided for maintaining the first electrically conductive member (4) at a second potential different from the first potential and for maintaining the electrically conductive means (6) at a high negative third potential relative to the first and second potentials.

    Abstract translation: 表面放电等离子体阴极电子束产生组件(1)包括可维持在基本上恒定的第一电位的阳极(2),具有第一导电构件(4),至少电介质构件(5)的阴极装置(3) 部分地围绕位于电介质构件(5)的外表面上并与之绝缘的第一构件(4)和导电装置(6)。 提供电容分压器电路(7),用于将第一导电构件(4)保持在不同于第一电位的第二电位,并且用于将导电装置(6)相对于第一和第二电极保持在高负的第三电位 潜力。

    PULSED PLASMA DEPOSITION DEVICE
    37.
    发明公开
    PULSED PLASMA DEPOSITION DEVICE 有权
    DEVICE对于脉冲等离子涂层

    公开(公告)号:EP2936538A1

    公开(公告)日:2015-10-28

    申请号:EP13826886.7

    申请日:2013-12-20

    Abstract: A pulsed plasma deposition device, comprising an apparatus for generating a beam of electrons (3), a target (4) and a substrate (6), the apparatus (3) being suitable for generating a pulsed beam of electrons directed towards said target (4) to determine the ablation of the material of said target (4) in the form of a plasma plume (19) directed towards said substrate (6); the device comprises a transportation and focussing group (13) of the beam of electrons towards said target (4), arranged between said apparatus (3) and said target (4) and comprising a transportation cone (14), the transportation and focussing group (13) also comprising a focussing electrode (15) directly connected to the transportation cone (14) and shaped substantially like a loop; the axis of symmetry (16) of the focussing electrode (15) is perpendicular, or substantially perpendicular, to the surface of the target (4).

    DEVICE FOR GENERATING PLASMA AND FOR DIRECTING AN FLOW OF ELECTRONS TOWARDS A TARGET
    40.
    发明公开
    DEVICE FOR GENERATING PLASMA AND FOR DIRECTING AN FLOW OF ELECTRONS TOWARDS A TARGET 有权
    DEVICE等离子生产和电子流动转向到目标

    公开(公告)号:EP2411996A2

    公开(公告)日:2012-02-01

    申请号:EP10732416.2

    申请日:2010-03-23

    CPC classification number: H01J3/025

    Abstract: Device (1) for generating plasma and for directing an flow of electrons towards a specific target (3); the device (1) comprises a hollow cathode (5); a main electrode (7) at least partially placed inside the cathode (5); a resistor (12), electrically earthing the main electrode (7); a substantially dielectric tubular element (21) extending through a wall (22) of the cathode; a ring-shaped anode (25) placed around the tubular element (21) and earthed; and an activation group (11) which is electrically connected to the cathode (5) and is able to reduce the electric potential of the cathode (5) of at least 8 kV in about 10 ns.

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