TDK Corp announced the results of its research for enhancing HDD recording density. TDK realized an areal density of 1.5 Tbits/(inch)2 with a magnetic head technology that is based on a thermal assist recording method and uses near-field light. The bit error rate (BER) is 10-2. In the past, TDK realized a BER of 10-2 with an areal density of 1 Tbit/(inch)2. This time, the company achieved the higher areal density, which it claims is the industry's highest. It plans to use the new technology for volume production within 2014. The areal density of 1.5 Tbits/(inch)2 is twice as high as the areal density of TDK's existing products, the company said. It is equivalent to 1 Tbyte per platter for 2.5-inch HDDs and 2 Tbytes per platter for 3.5-inch HDDs. As for measurement environment, TDK evaluated the new technology by using a spin stand as in the case of the evaluation of the 1 Tbit/(inch)2 technology. "What we have changed are only the magnetic head and hard disk medium," it said.
i agree Currently 2.5" hdd's use 500gb platters for their 5400rpm drives, there aren't any 7200rpm 500gb platter drives yet, would like one though. 1TB laptops could be common place in 2014 as a result of TDK though which will be very nice.