142.
    发明专利
    未知

    公开(公告)号:FR2197225B1

    公开(公告)日:1978-10-27

    申请号:FR7330332

    申请日:1973-08-21

    Applicant: LICENTIA GMBH

    Abstract: 1429058 Electron beam irradiation apparatus LICENTIA PATENT - VERWALTUNGS GmbH 13 Aug 1973 [24 Aug 1972] 38290/73 Heading H1D Irradiation apparatus comprises a horn having conical inner and outer parts 1, 2 defining a vacuum chamber, electron generator (and accelerator) 10, electric and/or magnetic field deflector 9, and annular electron output window 4 secured mechanically to the horn without auxiliary webs. Parts 1 and 2 may be connected by water cooled webs in vacuum space 3, the webs being narrow transverse to the beam and wide in the beam direction. The window may be secured by rings 5, 6 and flanges 7, 8.

    146.
    发明专利
    未知

    公开(公告)号:FR2256526A1

    公开(公告)日:1975-07-25

    申请号:FR7441919

    申请日:1974-11-26

    Applicant: IBM

    Abstract: An improved electron beam tube system is described wherein the electron beam magnetic deflection yoke is physically located the lens pole piece of the final or projection magnetic lens of the beam tube.

    147.
    发明专利
    未知

    公开(公告)号:FR2181467B1

    公开(公告)日:1974-07-26

    申请号:FR7214639

    申请日:1972-04-25

    Applicant: THOMSON CSF

    Abstract: The present invention relates to systems which utilise a very thin electron beam (diameter one-tenth of a micron or less) to reach a point upon a given surface or to write-in an information there or to read one information therefrom. The object of the invention is to achieve a relative accuracy in the order of 10 5 to 10 6.

    Ferrimagnetic spinel - for core, and screening for induction coils

    公开(公告)号:FR2165268A5

    公开(公告)日:1973-08-03

    申请号:FR7146399

    申请日:1971-12-23

    Applicant: COFELEC

    Abstract: Spinel has compsn. Mg1-xZnx Mnv Cuz Fe2(1-e)O4, when 0.4 = x =0.5, 0 = y =0.16, 0 = z =0.02, 0 = e =0.06 and may have impurities (Ca, SiO2) of the order of 1-3 mol.%. Compsn. finds use in magnetic circuits working at low and medium frequencies esp., for the inner core and outer screening of induction coils in TV. Prod. has a high enough resistivity to make it unnecessary to use insulator between core and coil turns.

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