Magnet IT&Communication Application
In computer hard disk drives, rare earth magnets are also used in the voice coil motors (VCM) that drive the heads that read and write the signals. Rare earth magnets are used in CD/DVD reading and writing heads (optic pickups) to accurate read the video and audio signals.
In computer hard disk drives, rare earth magnets are also used in the voice coil motors (VCM) that drive the heads that read and write the signals. Rare earth magnets are used in CD/DVD reading and writing heads (optic pickups) to accurate read the video and audio signals.
Rare earth magnets are also used for various functions in the cell phones that have become indispensable in our lives. Of course, rare earth magnets are used in the speaker/receiver for talking and ring tones and the vibration motor for courtesy mode. In flip phones, rare earth magnets are also used in the sensors that detect when the phone is opened or closed and that automatically switch the LCD screen On/Off and reduce the drain on the battery.
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