Magnetic materials for hard-disk heads use the same magnetic tunnel junctions (MTJs) as do the magnetic random access memories (MRAMs) IBM announced it was developing with TDK yesterday. Now, the National Institute of Standards and Technology (NIST) claims to have invented a process for fine-tuning MTJs for the next generation of HD heads, and perhaps even to enable denser MRAMs.
Text: http://www.eetimes.com/showArticle.jhtml?articleID=201801422