So, there are 3D TVs, 3D monitors, 3D cameras, 3D gaming consoles and such, what’s next? Hard drives of course; how else were we supposed to handle the explosion of data and demand of storage space? Thanks to researchers in France, the storage capacity of magnetic disk drives can be doubled simply by constructing “3D towers” of information.
Unlike traditional storage media that consists of flat discs that are essentially “2-dimensional” and stores magnetic ones and zeros that makes up a data, the team from SPINTEC decided to build up pillars that consist of two magnetic dots each. The bottom dot has a magnetic field that can be read in either up or down, and the top dot has a magnetic field that can be read in either left or right. This means that a pillar of two dots will give you twice the amount of information in the same amount of space, meaning that storage capacity can be doubled.
"Our new approach involves using bit-patterned media, which are made of arrays of physically separated magnetic nanodots, with each nanodot carrying one bit of information. To further extend the storage density, it's possible to increase the number of bits per dots by stacking several magnetic layers to obtain a multilevel magnetic recording device." -- Jerome Moritz, a researcher at SPINTEC, in Grenoble.
Article From: Lowyat
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