Ntshiab tungsten pas nrig / tungsten bar feem ntau yog siv los tsim cov emitting cathode, qhov kub thiab txias teeb tsa lub zog, kev txhawb nqa, txhuas, luam ntawv koob thiab txhua yam ntawm electrodes thiab quartz rauv cub rhaub.
Pure tungsten phaj tsuas yog siv rau hauv kev tsim hluav taws xob lub teeb ci thiab hluav taws xob nqus qhov chaw, nkoj, heatshield thiab tshav kub lub cev hauv qhov cub kub.