High Remanence Ring Neodymium Rare Earth Magnets 7.4 G / Cm3 For Speakers Sensors

arious ing eodymium are arth agnets sed or peakers ensors eodymium magnet d e is one of the highest property and strongest permanent magnet by now are made through powder metallurgy manufacturing techniques hey are mainly composed of neodymium 32 iron 64 boron 1 and a few quantity rare earth material such as y b o b a Al u etc eodymium magnet is regarded as agnet ing due to its recorded high remanence coercive force and maximum energy product ith eodymium magnet rapid development many high tech products were developed specially its application in motors makes products miniaturization and micromation his type magnet is widely used in products uclear agnetic esonance speaker and other products eodymium magnet is easily rust and oxidated so their surface must be plated Zn i ilver old or made phosphor and epoxy treatment pecification aterial eodyium ron oron rade 50 hape ing lating i or Zinc agnetized Axial or iametrical ensity 7 4 g cm3 Applications icrophone assemblies omputer rigid disc drives magnetic resonance imaging arious holders oys eters dometer sensors agnetized rientation