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Plastic Memory

Added on: March 1st, 2012 by Afsal Meerankutty 1 Comment

A conducting plastic has been used to create a new memory technology which has the potential to store a mega bit of data in a millimeter- square device-10 times denser than current magnetic memories. This device is cheap and fast, but cannot be rewritten, so would only be suitable for permanent storage.

The device sandwiches a blob of a conducting polymer called PEDOT and a silicon diode between perpendicular wires.

The key to the new technology was discovered by passing high current through PEDOT (Polyethylenedioxythiophene) which turns it into an insulator, rather like blowing a fuse .The polymer has two possible states- conductor and insulator, that form the one and zero, necessary to store digital data.

However tuning the polymer into an insulator involves a permanent chemical change, meaning the memory can only be written once.

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References for Plastic Memory

http://wiki.answers.com/Q/What_is_plastic_memory
Topic Category - Electronics Topics

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