Permanent Magnets
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Neodymium Magnets for Electronics & Electroacoustic
When the changing current is fed into the sound, the magnet becomes an electromagnet. The current direction changes constantly, and the electromagnet keeps moving back and forth due to the “force movement of the energized wire in the magnetic field”, driving the paper basin to vibrate back and forth. The stereo has sound.
The magnets on the horn mainly include ferrite magnet and NdFeB magnet. According to the application, NdFeB magnets are widely used in electronic products, such as hard disks, mobile phones, headphones and battery powered tools. The sound is loud.
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Permanent Magnets for MRI & NMR
The large and important component of MRI & NMR is magnet. The unit that identifies this magnet grade is called Tesla. Another common unit of measurement applied to magnets is Gauss (1 Tesla = 10000 Gauss). At present, the magnets used for magnetic resonance imaging are in the range of 0.5 Tesla to 2.0 Tesla, that is, 5000 to 20000 Gauss.
