Novel HDD-type SNDM ferroelectric data storage system aimed at high-speed data transfer with single probe operation
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Published on: August 10, 2019
Yoshiomi Hiranaga1, Tomoya Uda, Yuichi Kurihashi
1Research Institute of Electrical Communication, Tohoku University, Aoba-ku, Sendai, Japan. hiranaga@riec.tohoku.ac.jp
Abstract:
In this study, several read/write tests were conducted using a novel ferroelectric data storage test system equipped with a spindle motor, targeted at high-speed data transfer using a single probe head. A periodically inverted signal can be read out correctly with a bit rate of 100 kbps using this test system, and 10 Mbps data transfer is also possible during writing operations. The effect of a dc-offset voltage applied to the writing waveform with high-speed probe scanning is discussed. In addition, a novel noncontact probe height control technique was adopted to solve the problem of tip abrasion.
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