ʻO ka ʻenehana hoʻoheheʻe ʻana i ka vacuum magnetron ka hoʻohana ʻana i ka wahine, bipolar electrode surface me ke kahua magnetic o ka electron i loko o ka cathode surface drift, ma ka hoʻonohonoho ʻana i ka pā uila e kū pono ana i ka māla magnetic, hoʻonui ka electron i ka hahau, hoʻonui i ka helu o ka ionization. o ke kinoea, oiai ka kiʻekiʻe-ikena particles kinoea a lilo ka ikehu ma hope o ka collision a no laila haʻahaʻa substrate wela, piha ka uhi ma luna o ka mea wela ole.