The equipment is a high vacuum multi-purpose resistance evaporation coater. Four pairs of electrodes can evaporate different materials individually or simultaneously. The equipment is vertical top open cover structure, four pairs of electrodes can be evaporated individually or together, the sample is Φ 300 (max), the sample table rotates freely, and the revolution speed is adjustable from 2 to 20rpm; the flowmeter controls the gas flow to meet the requirements of ion bombardment pressure.