Ha li bapisoa le li-tungsten cathodes, lanthanum hexaborate (LaB6) li-cathodes li na le melemo e kang mosebetsi o fokolang oa elektronike o balehang, matla a phahameng a emission electron, ho hanyetsa libomo tsa ion, ho hanyetsa chefo e ntle, ts'ebetso e tsitsitseng, le bophelo bo bolelele ba tšebeletso. E sebelisitsoe ka katleho libakeng tse fapaneng ...
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