Poyerekeza ndi ma cathodes a tungsten, ma cathodes a lanthanum hexaborate (LaB6) ali ndi ubwino monga kuthawa kwa ma elekitironi otsika, kachulukidwe kake ka ma elekitironi, kukana bombardment ya ion, kukana bwino kwa poizoni, kugwira ntchito mokhazikika, komanso moyo wautali wautumiki. Yagwiritsidwa ntchito bwino mumitundu yosiyanasiyana ...
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