ʻEkolu mau ʻano o nā mākēneki arc no nā micromotors:
1. Kūleʻa ʻo Samarium cobalt i ka wela kiʻekiʻe (400 ℃), ʻālohilohi ke kala metala, a kiʻekiʻe ka waiwai. Hōʻike ka noiʻi piha ʻana e hoʻohana pinepine nā micromotors i nā magnet samarium cobalt.
2.Permanent magnet ferrite, no ka mea, ʻoi aku ka nui o ka wela ma mua o NdFeB ma kēia ʻano, ʻaʻole kānalua, e hoʻokō i ka hoʻohālikelike ʻana i ka micro-motor kūikawā, kiʻekiʻe ke kumukūʻai o ka ferrite, a kiʻekiʻe hoʻi ka hoʻolei ʻana, no ka mea, ʻo ka haʻihaʻi maʻalahi paha. ke kihi ʻaʻahu
3. ʻO ka mīkini arc magnet mau loa me ka neodymium magnet e like me ka rotor magnet he liʻiliʻi i ka nui, māmā i ke kaumaha, kiʻekiʻe i ka lākiō inertia, wikiwiki i ka pane wikiwiki o ka ʻōnaehana servo, kiʻekiʻe i ka mana a me ka wikiwiki / māhele ʻāpana, nui i ka torque hoʻomaka, a mālama i ka uila. ʻO nā mīkini kaʻa ka nui o ka tile, apo a trapezoid paha, hiki ke hoʻohana ʻia i nā kaʻa like ʻole, e like me nā motika magnet mau loa, nā motika AC, nā motika DC, nā kaʻa laina, nā kaʻa brushless, etc.