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    • 62. 发明授权
    • Method for fabricating charge coupled device image sensor
    • 电荷耦合器件图像传感器的制造方法
    • US5981309A
    • 1999-11-09
    • US934769
    • 1997-09-22
    • Hang Kyoo KimYong ParkSun Choi
    • Hang Kyoo KimYong ParkSun Choi
    • H01L21/339H01L27/148H01L21/00H01L21/28H01L21/44
    • H01L27/14812Y10S438/951
    • A method for fabricating a CCD image sensor includes the steps of forming a P type well in a surface of a semiconductor substrate, forming a buried CCD (BCCD) in a surface of the P type well, forming an offset gate and a reset gate on the BCCD at a predetermined interval, forming a floating diffusion region in the BCCD between the offset gate and the reset gate, forming a mask layer on an entire surface of the semiconductor substrate to form a contact hole in the floating diffusion region, forming a metal layer on the entire surface of the semiconductor substrate including the contact hole, and selectively removing the metal layer on the mask layer together with the mask layer to form a floating gate in the contact hole.
    • 一种用于制造CCD图像传感器的方法,包括以下步骤:在半导体衬底的表面中形成P型阱,在P型阱表面形成掩埋CCD(BCCD),形成偏移栅极和复位栅极 BCCD以预定间隔在BCCD中在偏移栅极和复位栅极之间形成浮动扩散区域,在半导体衬底的整个表面上形成掩模层,以在浮动扩散区域中形成接触孔,形成金属 在包括接触孔的半导体衬底的整个表面上,并且与掩模层一起选择性地去除掩模层上的金属层,以在接触孔中形成浮动栅极。
    • 70. 发明授权
    • High sensitivity GPS receiver and method for compensating for Doppler variation
    • 高灵敏度GPS接收机和补偿多普勒变化的方法
    • US07391366B2
    • 2008-06-24
    • US11138388
    • 2005-05-27
    • Chan-Woo ParkSun Choi
    • Chan-Woo ParkSun Choi
    • G01S5/14H04B7/185
    • G01S19/29G01S19/254G01S19/26
    • A global positioning system (GPS) receiver and method are provided for compensating for Doppler variation to accurately detect GPS signals in an environment in which intensities of the GPS signals received from GPS satellites are very low. A user acceleration measuring unit measures an acceleration vector of the terminal with respect to a center of the Earth. A user Doppler variation rate estimator estimates a user Doppler variation rate of each GPS satellite due to acceleration of the terminal by making use of the measured acceleration vector. A Doppler predictor predicts a Doppler frequency according to the estimated user Doppler variation rate. Code and carrier frequency signal generators compensate codes and carriers of GPS satellites to be correlated with signals received therefrom by making use of the predicted Doppler frequency.
    • 提供了一种全球定位系统(GPS)接收机和方法,用于补偿多普勒变化,以便在从GPS卫星接收的GPS信号的强度非常低的环境中精确检测GPS信号。 用户加速度测量单元测量终端相对于地球中心的加速度矢量。 用户多普勒变化率估计器通过利用所测量的加速度矢量来估计由于终端的加速而导致的每个GPS卫星的用户多普勒变化率。 多普勒预测器根据估计的用户多普勒变化率预测多普勒频率。 代码和载波频率信号发生器通过利用预测的多普勒频率来补偿GPS卫星的代码和载波与要从其接收的信号相关联。