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    • 3. 发明申请
    • TRANSDUCING DATA USING HIGH FREQUENCY FERROELECTRIC READ DEMODULATION
    • 使用高频电磁读取解调传输数据
    • US20130021894A1
    • 2013-01-24
    • US13613580
    • 2012-09-13
    • Dong-ki MinHoon-sang Oh
    • Dong-ki MinHoon-sang Oh
    • G11B9/02
    • G11B9/02B82Y10/00G11B9/1409
    • Apparatus and method for transducing data from a ferroelectric data storage medium using high frequency read modulation. In accordance with some embodiments, a ferroelectric data transducer has a write electrode, a doped semiconductor layer with a source, a drain and a channel therebetween, and an insulating layer disposed between the channel and the write electrode. A write circuit applies a time varying write signal at a first frequency to the write electrode to write a corresponding sequence of data bits to an adjacent ferroelectric data storage medium. A read circuit reads the sequence of data bits from the data storage medium by applying a time varying read signal at a higher, second frequency to the write electrode and detecting changes in electrical resistance of the channel.
    • 用于使用高频读取调制从铁电数据存储介质传送数据的装置和方法。 根据一些实施例,铁电数据传感器具有写入电极,具有源极的掺杂半导体层,漏极和沟道之间的沟道以及设置在沟道和写入电极之间的绝缘层。 写入电路将第一频率的时变写入信号施加到写入电极,以将对应的数据位序列写入相邻的铁电数据存储介质。 读取电路通过将较高的第二频率的时变读取信号施加到写入电极并检测通道的电阻的变化来从数据存储介质读取数据位的序列。
    • 8. 发明授权
    • High density data storage device and data recording or reproduction method using the same
    • 高密度数据存储设备和使用其的数据记录或再现方法
    • US07911928B2
    • 2011-03-22
    • US11710430
    • 2007-02-26
    • Seung Bum HongJu Hwan JungHyoung Soo Ko
    • Seung Bum HongJu Hwan JungHyoung Soo Ko
    • G11B9/00
    • G11B9/04B82Y10/00G11B9/1409G11B9/149
    • A high density data storage device and a data recording or reproduction method using the same, which can record or reproduce high density data without contact, thereby preventing data errors due to contact are provided. The high density data storage device uses a recording medium and a probe. The recording medium is a thin film made from phase change material or oxide resistance change material, and the probe has a tip formed in a lower portion thereof, which moves with a spacing from the top of the recording medium. Further, recording or reproduction of data is performed through electric field or heat emission, which is generated in the tip of the probe, without direct contact between the recording medium and the probe, so that it is possible to remove instability caused by contact between the recording medium and the probe and to stably record or reproduce data in or from the recording medium without errors.
    • 提供一种高密度数据存储装置和使用该高密度数据存储装置的数据记录或再现方法,其可以不接触地记录或再现高密度数据,从而防止由于接触而引起的数据错误。 高密度数据存储装置使用记录介质和探针。 记录介质是由相变材料或氧化物电阻改变材料制成的薄膜,并且探针具有形成在其下部的尖端,其与记录介质的顶部间隔地移动。 此外,通过在探针的尖端中产生的电场或发热进行数据的记录或再现,而不会在记录介质和探针之间直接接触,从而可以消除由于接触引起的不稳定性 记录介质和探头,并且在没有错误的情况下稳定地在记录介质中记录或再现数据。