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IBM racetrack memory

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IBM racetrack memory

Racetrack memory is a type of non-volatile, solid state nanotech memory being developed by IBM.

Racetrack memory works by storing oppositely oriented magnetic regions in nanowires called racetracks. Electric pulses, which are generated by a transistor, are applied to the nanowires, creating domain walls with regions between them. When regions pass over a quantum mechanical magnetic read/write head, they are oriented in opposite directions. Oriented one way, a bit represents a "1". Oriented the other way, it represents a "0".

Racetrack memory, along with phase change memory, is being looked by IBM as a way to develop solid-state devices capable of holding up to 100 times more data than is possible today.

Related glossary terms: solid state drive (SSD) capacity, stand-alone solid state storage (SSS), solid state module (SSM), RAM-based solid state drive (SSD), client solid state drive (SSD), queue depth, Fast Guide to RAM, semiconductor fab, flash cache appliance, floating gate

This was last updated in January 2012

Posted by: Margaret Rouse

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