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    • 61. 发明授权
    • Method of manufacturing film bulk acoustic resonator using internal stress of metallic film and resonator manufactured thereby
    • 使用金属膜的内部应力和由此制造的谐振器制造膜体声波谐振器的方法
    • US07939356B2
    • 2011-05-10
    • US12684454
    • 2010-01-08
    • Jong-seok KimSung-hoon ChoaIn-sang SongYoung-tack Hong
    • Jong-seok KimSung-hoon ChoaIn-sang SongYoung-tack Hong
    • H01L21/00
    • H03H9/02133H03H3/02H03H9/172Y10T29/42
    • A method of manufacturing a film bulk acoustic resonator and the resonator manufactured thereby. The method includes the laminating a sacrificial layer on a semiconductor substrate, removing a predetermined area from the sacrificial layer to realize electric contact between a signal line of the semiconductor substrate and a lower electrode, forming the lower electrode by depositing metal film for lower electrode on the sacrificial layer, by patterning based on a shape of the sacrificial layer, forming a piezoelectric layer by depositing a piezoelectric material on the lower electrode and by patterning based on a shape of the lower electrode, and forming an upper electrode by depositing metal film on the piezoelectric layer and by patterning based on a shape of the piezoelectric layer, wherein at least one of a deposition pressure and a deposition power is controlled to generate upward stress when depositing the metal film for the lower electrode.
    • 一种制造薄膜体声波谐振器的方法和由此制造的谐振器。 该方法包括在半导体衬底上层叠牺牲层,从牺牲层去除预定区域以实现半导体衬底的信号线与下电极之间的电接触,通过在下电极上沉积金属膜形成下电极 牺牲层,通过基于牺牲层的形状进行图案化,通过在下电极上沉积压电材料并基于下电极的形状进行图案化形成压电层,并且通过将金属膜沉积在上而形成上电极 压电层和基于压电层的形状的图案化,其中当沉积用于下电极的金属膜时,沉积压力和沉积功率中的至少一个被控制以产生向上的应力。
    • 62. 发明授权
    • Magnetic recording medium and method of fabricating the same
    • 磁记录介质及其制造方法
    • US07885026B2
    • 2011-02-08
    • US12018430
    • 2008-01-23
    • Hoo-san LeeHoon-sang OhSung-hoon Choa
    • Hoo-san LeeHoon-sang OhSung-hoon Choa
    • G11B5/09
    • G11B5/59655G11B5/59688
    • A magnetic recording medium and a method of fabricating the same are provided. The magnetic recording medium in which a position for magnetic recording is patterned with a magnetic material, includes a magnetic recording layer which includes a data area having a plurality of data tracks, and a servo area having a servo burst for following the data tracks, wherein the servo burst includes a plurality of bursts disposed in a zigzag structure along a downtrack direction, and each of the bursts includes a plurality of burst pieces having different coercivities from each other. The magnetic recording medium is subjected to two servo-recording processes, so that a signal similar to an alternative signal written in a burst having a burst pattern used in a related art continuous medium can be obtained.
    • 提供了一种磁记录介质及其制造方法。 其中用磁性材料构图磁记录位置的磁记录介质包括磁记录层,该磁记录层包括具有多个数据磁道的数据区,以及具有用于跟随数据磁道的伺服脉冲串的伺服区,其中 伺服脉冲串包括沿着下行方向以锯齿形结构设置的多个脉冲串,并且每个脉冲串包括彼此具有不同矫顽力的多个脉冲片。 对磁记录介质进行两次伺服记录处理,从而可以获得类似于在现有技术的连续介质中使用的具有突发图案的突发中写入的备选信号的信号。
    • 70. 发明申请
    • Image resolution enhancing apparatus and method
    • 图像分辨率增强装置及方法
    • US20070157727A1
    • 2007-07-12
    • US11599486
    • 2006-11-15
    • Jong-hwa WonSung-hoon Choa
    • Jong-hwa WonSung-hoon Choa
    • G01P15/00
    • G09G3/02G09G3/346G09G2340/0421
    • An image resolution enhancing apparatus and method are provided. The image resolution enhancing apparatus includes: a scanner, a synchronous detector, a wave generator, a high voltage amplifier, a resonant frequency detector, a multiplier which multiplies the resonant frequency of the scanner which is detected by the resonant frequency detector by the horizontal resolution of a display screen; a frequency oscillator which oscillates at a pixel frequency which corresponds to the multiplication result of the multiplier; and a pulse generator which generates a pulse which corresponds to the pixel frequency oscillations of the frequency oscillator and outputs the generated pulse to the wave generator, wherein the wave generator adds the pulse generated by the pulse generator to the wave to generate a composite wave.
    • 提供了一种图像分辨率增强装置和方法。 图像分辨率增强装置包括:扫描仪,同步检测器,波发生器,高电压放大器,谐振频率检测器,将由谐振频率检测器检测的扫描仪的谐振频率乘以水平分辨率的乘法器 的显示屏幕; 频率振荡器,其以对应于乘法器的乘法结果的像素频率振荡; 以及脉冲发生器,其产生对应于所述频率振荡器的像素频率振荡的脉冲,并将所生成的脉冲输出到所述波发生器,其中所述波发生器将由所述脉冲发生器产生的脉冲加到所述波中以产生复合波。