... Iron-Boron 2.N45, 3/16"dia x 1/16" NdFeB Magnet, Ni-Cu-Ni Coating 3.Certificate:ISO9001:2000, ... EH, UH )Coatings: Ni, Ni-Cu-Ni, Zn, white-blue Zn, Epoxy, Gold, and etc.Sizes: according to ... Maximum working temperature: 80 to 200 degrees C Products Technology: Applications: NdFeB Magnet are widely used in ... computers(voice coil motor of hard disc drive, pick-up of optical disk drive), mobile phones ...