Tohoku Univ. Technology ：Storage device with Ultra-high-density (10 Tbit/inch²) : T21-113
（1）Both read/write speeds at Gbps-class and （2）a 1n(s) heating time, to perform nearly infinite (~1010) reads may be possible!
Conventionally, a hard disk drive using a magnetic recording medium is widely used as an information recording and reproducing device capable of random access with high density and large capacity. To further increase the capacity of a hard disk drive, it is required to improve the recording density, but there is a problem that the recording information is disturbed by thermal disturbance of the magnetic medium. Therefore, a dielectric recording and reproducing device using a dielectric material has been proposed as one which can be expected to increase the density than magnetic recording. However, there is a problem that the reproduction speed of recorded data is in the order of Mbps, and it is necessary to improve the reproduction speed for practical application. The present invention has made it possible to provide a dielectric reproducing device and a dielectric recording and reproducing device capable of improving the reproduction speed. The present invention is characterized in that, when detecting the polarization state of each bit formed in a data recording layer composed of a dielectric material, the temperature of the bit detected by a heating means can be increased. As a result, since the nonlinear dielectric constant of each bit increases, it is possible to detect a reproduced signal having a large S/N ratio between the reproduced signal and the noise, thereby improving the reproduction speed of the data.
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The revenue generated from technology transfer is reinvested as new research funding for universities and researchers, and is utilized to create further research outcomes. To ensure the smooth operation of this cycle, known as the "Intellectual Creation Cycle," we will vigorously promote technology transfer. The types of seeds we handle include patents, know-how, databases, and programs. We have established a collaborative framework by signing basic technology transfer agreements with the following universities (as of June 1, 2025): Tohoku University, Hirosaki University, Iwate University, Akita University, Fukushima University, Yamagata University, Tohoku Gakuin University, Iwate Medical University, Fukushima Medical University, Aizu University, Miyagi University, Hokkaido University, Muroran Institute of Technology, and Showa Medical University.
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