... , Disc, Arc segment and so on.7.Application: Voice-coil Motor(VCM), MRI, Generator, Car, Speaker, Computer and so on.8 ... ,Microphone,Audio alarm stage,Loudspeaker18.Motor Field: Voice coil motor (VCM), CD\DVD-ROM, Generator, Vibration Motor, Brushless Motor, Vehicle Motor19.Electronics: watt-hour meter ...