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8 条记录 (耗时 0.005 秒)

    Continuous process for fabricating metallic patterns on a thin film substrate
    5.
    发明公开
    Continuous process for fabricating metallic patterns on a thin film substrate 失效
    在薄膜基板上制作金属图案的连续工艺

    公开(公告)号：EP0186185A3

    公开(公告)日：1988-10-05

    申请号：EP85116495

    申请日：1985-12-23

    申请人： Polyonics Corporation

    发明人： Hoover, Mervin F. ,  Reilly, Phillip B. ,  Salamone, Ann B. ,  Vandebult, Jan

    IPC分类号： H05K01/16 ,  H05K03/18 ,  H05K03/36

    CPC分类号： C25D5/02 ,  B32B2519/02 ,  H05K3/181

    摘要： A process is provided for fabricating metallic patterns such as resonant RF-tuned circuits on a polyolefin film such as polythylene or polypropylene film. The film is processed under conditions such as to maintain its mechanical integrity by being passed through a solvent plasticizing bath, an etch bath to provide attraction sites and adhesion for catalytic metal deposition, a conditioning bath to improve catalyst adhesion and a catalyst bath to deposit a catalytic metal for electroless metal deposition. A negative image is printed on the film and an electroless metal deposit followed by an electrolytic metal plate are applied to the film to produce the desired metallic patterns. Optionally, prior to the printing step, an electroless metal deposit, with or without a thin electrolytic metal plate, can be applied to the total film surface. Thereafter, a negative or positive printed image is coated on the film. When these optional steps are utilized, the electroless metal deposit, thin electrolytic metal plate and printed image are selectively removed to leave the thick electrolytic metal plate on the electroless metal deposit in the form of the desired pattern.

    摘要翻译： 提供了一种用于在聚烯烃膜如聚乙烯或聚丙烯膜上制造诸如共振RF调谐电路的金属图案的工艺。 该膜在诸如通过通过溶剂增塑浴，蚀刻浴以保持其机械完整性的条件下进行处理，以提供吸引位置和用于催化金属沉积的粘附，调节浴以改善催化剂粘附性和催化剂浴以沉积 用于无电金属沉积的催化金属。 在膜上印刷负像，将无电金属沉积物和电解金属板施加到膜上以产生所需的金属图案。 任选地，在印刷步骤之前，可以将具有或不具有薄的电解金属板的无电金属沉积物施加到总膜表面。 此后，将负的或正的印刷图像涂覆在膜上。 当使用这些可选步骤时，选择性地去除无电金属沉积物，薄电解金属板和印刷图像，以使所需图案形式的无电金属沉积物上的厚电解金属板留下。

    Pulse circuits for generating short duration high power pulses
    6.
    发明公开
    Pulse circuits for generating short duration high power pulses 失效
    用于产生短时间高功率脉冲的脉冲电路

    公开(公告)号：EP0072152A3

    公开(公告)日：1983-10-12

    申请号：EP82304004

    申请日：1982-07-29

    申请人： THE MARCONI COMPANY LIMITED

    发明人： Richardson, Robert ,  Barker, Anthony Tom

    IPC分类号： H03K03/53 ,  H05K01/16 ,  H03H07/34 ,  G01S07/28

    CPC分类号： H03K3/57 ,  G01S7/282 ,  H05K1/14 ,  H05K1/165 ,  H05K2201/10015

    摘要： A pulse circuit forms part of a radar transmitter in which a pulse forming network is used to generate a high current pulse at relatively low voltage and to feed it via a transformer to a magnetron which operates at typically 30 kV. A number of pulse forming networks are connected in parallel and are discharged by respective thyristors. The outputs of the pulse forming networks are combined so as to provide a low voltage pulse (of the order of 600 volts) having sufficient power to drive a radar transmitter. The pulse forming networks must each be capable of handling very large currents and must have characteristics which are identical to each other. To enable these requirements to be met, each pulse forming network includes an inductor which is formed as a coiled thin conductive layer lying on the surface of an electrically insulating board. It is formed by printed circuit board techniques and a mirror image coil is formed on both sides of a double sided printed circuit board. All pulse forming networks are connected via a common double sided printed circuit board to the primary winding of a pulse transformer.