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公开(公告)号：US3590308A
公开(公告)日：1971-06-29
申请号：US3590308D
申请日：1969-04-01
Applicant: RCA CORP
Inventor： DECKERT JANET L
CPC classification number: H01J19/30 , H01J2893/002
Abstract: In high voltage electron tubes, such as type RCA 6BK4, comprising a cathode, and an open-ended tubular anode including an electron receiving target within the anode tubulation, the target is made from a refractory metal such as molybdenum or tantalum, coated with chromium.
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