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Monday, 20 August 2007 11:49

Big Blue moving to STT-RAM

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Magnets no longer attractive

 

Scientists at IBM are starting to think that the age of  manipulating magnetic fields are a thing of the past and new RAM based around spin-polarised electrons are the future.
IBM researchers have teamed up with TDK to develop spin torque transfer RAM (random access memory) or STT-RAM. According to News.com, STT-RAM uses an electric current applied to a magnet to change the direction of the magnetic field.


This causes a change in resistance, and the different levels of resistance register as 1s or 0s. Big Blue and TDK hope to have a 65-nanometer prototype within the next four years. IBM had been researching magnetic memory called MRAM but was having trouble shrinking the transistors on the chips.
More here

Last modified on Monday, 20 August 2007 11:50

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