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Hitachi developing robust storage medium based on quartz glass

Posted on Wednesday, September 26 2012 @ 17:20:20 CEST by

Hitachi glass storage medium
Hitachi researchers are working on a new storage system that uses quartz glass to store data. The prototype is a two centimeters square with a thickness of just two millimeters, the glass layers are imprinted with tiny dots, quite similar to how data is stored on compact discs. The benefit of the quartz glass is that it's extremely durable, Hitachi says quartz glass based storage has a retention period of more than a few hundred million years, it's capable of withstanding temperatures of up to 1000°C for two hours, is water proof and resistant to most chemicals.

Unfortunately, the storage density of the prototype isn't very high. At a density of 40MB/inch², the storage density is roughly 10 percent less than that of a standard CD. Then again, a typical CD has a lifespan of only a few decades.
I know what you're thinking -- how can a small piece of glass last a few hundred million years? The quartz glass material is capable of withstanding some harsh conditions like water (tsunamis), heat (high temperature flames and heat up to 1,000 degrees Celsius for two hours), radio waves and most chemicals.

"The volume of data being created every day is exploding, but in terms of keeping it for later generations, we haven't necessarily improved since the days we inscribed things on stones," said Kazuyoshi Torii, a Hitachi researcher. "The possibility of losing information may have actually increased."
Source: DailyTech



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