发明名称
摘要 <p>PURPOSE:To realize the manufacture method of the cathode in the constitution which is able to reduce distortion, etc., occurring during the manufacture of a filament as a raw material through the reprocessing of crystal growth.</p>
申请公布号 JPS581497(B2) 申请公布日期 1983.01.11
申请号 JP19770058781 申请日期 1977.05.23
申请人 TOKYO SHIBAURA ELECTRIC CO 发明人 TAKAHASHI KUNIKYO
分类号 H01J9/04;H01J1/18 主分类号 H01J9/04
代理机构 代理人
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