10.
    发明专利
    未知

    公开(公告)号:DE3889696D1

    公开(公告)日:1994-06-30

    申请号:DE3889696

    申请日:1988-07-04

    Applicant: PHILIPS NV

    Abstract: A cathode body for an impregnated scandate cathode is obtained by compressing and sintering a mixture of tungsten powder with approximately 0.5% by weight of scandium, whereafter the body is impregnated.

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