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    • 114. 发明授权
    • High-density data storage medium, method of manufacturing the data storage medium, data storage apparatus, and methods of writing data on, and reading and erasing data from the data storage medium by using the data storage apparatus
    • 高密度数据存储介质,数据存储介质的制造方法,数据存储装置以及通过使用数据存储装置向数据存储介质写入数据和读取和擦除数据的方法
    • US07170843B2
    • 2007-01-30
    • US10610540
    • 2003-07-02
    • Seung-bum HongIn-kyeong YooJu-hwan Jung
    • Seung-bum HongIn-kyeong YooJu-hwan Jung
    • H01J3/14
    • B82Y10/00G11B9/08G11B9/14G11B9/1409G11B9/1472G11B9/149G11B11/08G11B13/06
    • A high-density data storage medium, a method of manufacturing the data storage medium, a high-density data storage apparatus, and methods of writing data on, and reading and erasing data from the data storage medium by using the data storage apparatus are provided. The data storage medium includes a lower electrode, an insulation layer deposited on the lower electrode, a photoelectron emission layer deposited on the insulation layer and having a plurality of protrusions from which photoelectrons are emitted due to collisions between the protrusions and photons, and a dielectric layer deposited on the photoelectron emission layer and storing the photoelectrons emitted from the photoelectron emission layer. The data storage apparatus includes a stage supporting a data storage medium, which includes a lower electrode, an insulation layer deposited on the lower electrode, a photoelectron emission layer deposited on the insulation layer and having a plurality of protrusions from which photoelectrons are emitted due to collisions between the protrusions and photons, and a dielectric layer deposited on the photoelectron emission layer and storing the photoelectrons emitted from the photoelectron emission layer, a scanner driving the stage, a probe placed over the data storage medium and including a tip forming an electric field with the data storage medium and a cantilever supporting the tip placed at its one end so as to maintain a predetermined distance between the data storage medium and the tip, a circuit unit applying a driving signal, a data write signal, and a data erase signal to the scanner and the probe and detecting a data read signal, and a light source irradiating light on the data storage medium.
    • 提供高密度数据存储介质,数据存储介质的制造方法,高密度数据存储装置以及通过使用数据存储装置从数据存储介质写数据和读取和擦除数据的方法 。 数据存储介质包括下电极,沉积在下电极上的绝缘层,沉积在绝缘层上的光电子发射层,并且具有多个突起,由于突起和光子之间的碰撞而从其中发射光电子;以及电介质 层沉积在光电子发射层上并存储从光电子发射层发射的光电子。 该数据存储装置包括支持数据存储介质的载台,该载台包括下电极,沉积在下电极上的绝缘层,沉积在绝缘层上的光电子发射层,并且具有多个突起,由于 突起和光子之间的碰撞,以及沉积在光电子发射层上并存储从光电子发射层发射的光电子的介电层,驱动载物台的扫描仪,放置在数据存储介质上的探针,并且包括形成电场的尖端 数据存储介质和悬臂支撑设置在其一端的尖端,以便保持数据存储介质和尖端之间的预定距离,施加驱动信号的电路单元,数据写入信号和数据擦除信号 扫描仪和探头,并检测数据读取信号,以及光源照射数据 存储介质。
    • 115. 发明申请
    • Actuator and method of driving the same
    • 执行器及其驱动方法
    • US20060226733A1
    • 2006-10-12
    • US11397717
    • 2006-04-05
    • Dong-ki MinJin-ho LeeSeung-bum Hong
    • Dong-ki MinJin-ho LeeSeung-bum Hong
    • H02N1/00
    • H02N1/008
    • An electrostatic actuator and a method of driving the same are provided. The actuator controls the displacement of a target object by adjusting a voltage between fixed comb electrodes and a moving comb electrode. The actuator includes an actuator control signal generator generating an actuator control signal by pulse-width modulating an actuator driving signal and a carrier signal; and an actuator unit including the fixed comb electrodes and the moving comb electrode and adjusting the voltage according to the actuator control signal. Accordingly, the displacement can be easily controlled using the pulse-width-modulated actuator driving signal even when both the voltage of the actuator driving signal and the frequency of the carrier signal are high.
    • 提供静电致动器及其驱动方法。 致动器通过调节固定梳状电极和移动梳状电极之间的电压来控制目标物体的位移。 致动器包括致动器控制信号发生器,其通过脉冲宽度调制致动器驱动信号和载波信号来产生致动器控制信号; 以及致动器单元,其包括固定梳状电极和移动梳状电极,并根据致动器控制信号调节电压。 因此,即使在致动器驱动信号的电压和载波信号的频率都高的情况下,也可以容易地利用脉冲宽度调制的致动器驱动信号控制位移。
    • 118. 发明申请
    • Semiconductor probe with resistive tip and method of fabricating the same
    • 具有电阻尖端的半导体探针及其制造方法
    • US20060060779A1
    • 2006-03-23
    • US11219732
    • 2005-09-07
    • Hong-sik ParkKyoung-lock BaeckJu-hwan JungHyoung-soo KoChul-min ParkSeung-bum Hong
    • Hong-sik ParkKyoung-lock BaeckJu-hwan JungHyoung-soo KoChul-min ParkSeung-bum Hong
    • G21K7/00
    • G11B9/1409G01Q60/30Y10S977/875Y10S977/878Y10S977/879
    • A semiconductor probe with a resistive tip, and a method of fabricating the semiconductor probe. The method includes forming a stripe-shaped mask layer on a substrate doped with a first impurity, and forming first and second electrode regions by heavily doping portions of the substrate not covered by the mask layer with a second impurity opposite in polarity to the first impurity; annealing the substrate to decrease a gap between the first and second semiconductor electrode regions, and forming resistive regions lightly doped with the second impurity at portions contiguous with the first and second semiconductor electrode regions; forming a stripe-shaped first photoresist layer orthogonal to the mask layer, and etching the mask layer such that the mask layer has a square shape; forming a second photoresist layer on the substrate to cover a portion of the first photoresist layer and define a cantilever region; forming the cantilever region by etching portions not covered by the first and second photoresist layers; and removing the first and second photoresist layers, and forming a resistive tip having a semi-quadrangular pyramidal shape by etching portions of the substrate not covered by the mask layer.
    • 具有电阻尖端的半导体探针及其制造方法。 该方法包括在掺杂有第一杂质的衬底上形成条形掩模层,以及通过以与第一杂质极性相反的第二杂质重掺杂未被掩模层覆盖的衬底的部分来形成第一和第二电极区 ; 退火所述衬底以减小所述第一和第二半导体电极区之间的间隙,以及在与所述第一和第二半导体电极区相邻的部分形成轻掺杂有所述第二杂质的电阻区; 形成与所述掩模层正交的条状的第一光致抗蚀剂层,并且蚀刻所述掩模层使得所述掩模层具有正方形形状; 在所述基板上形成第二光致抗蚀剂层以覆盖所述第一光致抗蚀剂层的一部分并限定悬臂区域; 通过蚀刻未被第一和第二光致抗蚀剂层覆盖的部分形成悬臂区域; 以及去除所述第一和第二光致抗蚀剂层,以及通过蚀刻未被所述掩模层覆盖的所述衬底的部分,形成具有半四棱锥形形状的电阻尖端。