Even though, solid state drives have come a long way, they are nowhere near the storage capacity offered by hard drives. And, the latest development by TDK will increase that gap bit more. TDK announced that they have achieved the world’s highest surface recording density of hard drive disk (HDD), 803Gbit/inch2, with track recording density of 1,771kBPI, a track density of 454kTPI and a track pitch of 56nm.
The increase in storage density will allow a 1.8-inch double-sided disk to store 260GB. This will result in a dual disk 1.8-inch hard drive to store 520GB of data. TDK is using the same perpendicular magnetic recording technology used in hard drives available today, but they increased the magnetoresistance ratio by more than 80 percent while keeping the bond resistance of the reproducing head’s TMR element low.
Katsumichi Tagami, director of the SQ Research Center at TDK believes that they will be able to achieve up to 1Tbit/inch2 with the TMR element. TDK has not announced when they will start commercial production of hard drives based on new technology. Above is the image of the new TMR head that increases the data density.
[Via Tech On]