Santoku's Fields of Activity

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  Mobile phones have become an indispensable part of everyday life. Rare earth magnets are used in the speakers for ringtones and call audio, as well as in the motors that generate vibration in silent mode. In flip phones, they are also used in sensors that detect opening and closing to automatically turn the LCD screen on and off, contributing to reduced battery power consumption.

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  Rare earths are an essential material for next-generation vehicles. Hybrid cars rely on rare earths in their motors. Neodymium magnets, considered the most powerful permanent magnets, are used in the magnets of high-performance motors and generators. By leveraging their high magnetic flux density and strong magnetic force, they enable higher output power and more compact, lightweight motor and generator designs.

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  In the world of computers, rare earths are used in the motors that spin hard disk drives and in the voice coil motors that move the magnetic read/write heads.