Gen2 spec doubles the interface rate. http://www.bit-tech.net/news/hardware/2014/02/26/hmc-gen2/1
3D RAM to hit shop shelves soon. http://www.bit-tech.net/news/hardware/2013/09/27/micron-ships-hmc/1
TSV-based 3D DRAM tech heads to production. http://www.bit-tech.net/news/hardware/2013/04/03/hmc-spec/1
Spintronics prototype proves concept. http://www.bit-tech.net/news/hardware/2013/02/04/cambridge-3d-chip/1
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