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[PO] Mini disks for data storage: Slanted edges favor tiny magnetic vortices

post #1 of 36
Thread Starter 
Age check: if the article title made you think of the Sony Minidisc, you're probably older than most of OCN.

Quote:
Slanted exterior edges on tiny magnetic disks could lead to a breakthrough in data processing. Materials researchers of the Helmholtz-Zentrum Dresden-Rossendorf, Germany, were able to create magnetic vortices with a diameter of only one third of a thousandth of a millimeter - structures which were impossible in the past. They could help to store larger amounts of data on increasingly smaller surfaces with as little energy as possible.

Tiny magnets organize themselves in vortices in the researchers' mini disks. The individual magnets can twist either in a clockwise or a counterclockwise direction in the disk. These two different states can be used in data processing just like switching the electricity "on" and "off" in conventional computers. In contrast to conventional memory storage systems, these magnetic vortices can be switched by the electrons' intrinsic spin and with far less power consumption.
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Unicorn
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post #2 of 36
hah, sony minidisc... i remember when they tried to break into the market with the format and everything was $$$$. i think my older brother bought one for $400. at least it was better quality than tape recorders.

thanks for reminding me how old i am.
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post #3 of 36
Quote:
Originally Posted by MrDeodorant View Post
Age check: if the article title made you think of the Sony Minidisc, you're probably older than most of OCN.
You're probably right it made me think of the Minidisc

Interesting read btw. but wth, more magnetic drives
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post #4 of 36
Magnetic drives with epic capacity
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post #5 of 36
Thread Starter 
Magnetic drives with epic capacity and low power requirements.
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post #6 of 36
lol I thought of Sony's Minidisc players as well. In fact, I know a place that still sells Japanese made Minidiscs.

Seems magnetic drives are just getting bigger and cheaper everyday
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post #7 of 36
Minidisc making a comeback?? What!!
post #8 of 36
Ah the minidisc, got a HI FI with a player built in for my 18th, the fond memories.
post #9 of 36
I still have a minidisc player Served me well at the time but did become obsolete pretty quick. I wish I could somehow make use of the leftover discs with a PC.

Come to think of it, I will never understand why Sony did not open up MP3 support on Minidisc instead of the stupid ATRAC. It totally would have extended it's life in the market.
Edited by dejanh - 3/14/11 at 10:01am
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post #10 of 36
Thread Starter 
They probably couldn't license it.
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