• TDK’s Blu-ray Discs Achieve a High Capacity of 25GB on a Single-Layer and 50GB on a Dual-Layer at 2x Recording Speed and Are Protected by TDK’s DURABIS 2 Hard Coating Technology TOKYO – TDK (NYSE:TDK) today announces that is has commenced shipping mass-production samples of its bare-type (cartridge-less) BD-R (write-once type) and...