Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Hitachi Ltd
Original Assignee
Hitachi Ltd
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Filing date
Publication date
Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP3456677ApriorityCriticalpatent/JPS53120363A/en
Publication of JPS53120363ApublicationCriticalpatent/JPS53120363A/en
PURPOSE: To adhere metal powder with good reproducibility by adhering fine metal powder to the cathode surface of an electron tube by vibrating the container filled with metal powder.
COPYRIGHT: (C)1978,JPO&Japio
JP3456677A1977-03-301977-03-30Manufacture of electron emissive film
PendingJPS53120363A
(en)