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    • 3. 发明授权
    • Ferroelectric memory
    • 铁电存储器
    • US07279342B2
    • 2007-10-09
    • US11210010
    • 2005-08-23
    • Mamoru UedaKazuhiro MasudaShinichi Fukada
    • Mamoru UedaKazuhiro MasudaShinichi Fukada
    • H01L21/00
    • H01L27/11502H01L27/11507
    • A ferroelectric memory includes a base member, a first dielectric layer formed above the base member, a second dielectric layer formed above the first dielectric layer, a contact hole that penetrates the first and second dielectric layers, a plug formed in the contact hole, and a barrier layer formed above the plug, and a ferroelectric capacitor formed from a lower electrode, a ferroelectric layer and an upper electrode successively laminated in a region including above the plug. The second dielectric layer has a property that is more difficult to be polished than the plug and the first dielectric layer.
    • 铁电存储器包括基底构件,形成在基底构件上的第一电介质层,形成在第一电介质层上方的第二电介质层,穿透第一和第二电介质层的接触孔,形成在接触孔中的插塞,以及 形成在插塞上方的阻挡层,以及由下电极,强电介质层和上电极形成的强电介质电容器,其连续地层压在包括在插塞上方的区域中。 第二电介质层具有比插塞和第一电介质层更难以抛光的性质。
    • 6. 发明授权
    • Signal processing apparatus for use with a digital video tape recorder
    • 用于数字录像机的信号处理装置
    • US5706056A
    • 1998-01-06
    • US347329
    • 1995-03-13
    • Mamoru Ueda
    • Mamoru Ueda
    • H04N5/926H04N5/945H04N7/18
    • H04N5/9267H04N5/9261H04N5/9264H04N5/9265H04N5/945
    • In a signal processing apparatus having a plurality of signal processing circuits where predetermined data is to be output sequentially through the plurality of signal processing circuits, when signal processing is performed at each signal processing circuit, timing necessary for respective signal processing is added to the data to be transmitted, as a header information, so that a complicated construction, such that a circuit for obtaining timing necessary for signal processing is added at each signal processing circuit, can be avoided, and the data can be securely processed and delivered at each signal processing circuit.
    • PCT No.PCT / JP94 / 00503 Sec。 371日期1995年3月13日 102(e)1995年3月13日PCT 1994年3月29日PCT公布。 第WO94 / 23534号公报 日期1994年10月13日在具有多个信号处理电路的信号处理装置中,其中预定数据将通过多个信号处理电路顺序地输出,当在每个信号处理电路执行信号处理时,各信号处理所需的定时 作为标题信息被添加到要发送的数据中,使得可以避免在每个信号处理电路处添加用于获得信号处理所需的定时的电路的复杂结构,并且可以可靠地处理数据 并在每个信号处理电路处交付。
    • 7. 发明授权
    • Apparatus and method for recycling and reproducing a digital video signal
    • 用于再现和再现数字视频信号的装置和方法
    • US5381274A
    • 1995-01-10
    • US35701
    • 1993-03-23
    • Mamoru Ueda
    • Mamoru Ueda
    • G06F3/06G06F11/10G11B5/008G11B20/12G11B27/02G11B27/032G11B27/036H03M13/00H04N5/782H04N5/7826H04N5/91H04N5/92H04N5/926H04N7/52G11B5/09H04N5/76
    • H04N21/236G11B27/036G11B5/0086H04N21/434H04N5/9264G11B2220/90G11B27/032H04N5/78266
    • An information data recording apparatus includes a DCT (discrete cosine transform) circuit (3) for processing a video signal in a DCT fashion, a quantizer (4) for quantizing an output signal of the DCT circuit (3), outer code circuits (5) and (10) for adding an error correction code to quantized data from the quantizer (4), and a recording head (13) for recording output data on a magnetic tape (14), whereby a high frequency component of data or outer code is recorded on first and last tracks of tracks of one field. Of the tracks constructing one field, a high frequency component of data or outer code that is less affected by a reproducing error is recorded on respective end tracks that have the large possibility that original recorded data will be broken by a mis-tracking upon editing. Therefore, even when an edit point is displaced by the mis-tracking upon editing so that the original recorded data is broken to cause an error to occur, an amount that a picture quality of a reproduced picture is deteriorated when the error occurs can be reduced considerably.
    • 信息数据记录装置包括用于以DCT方式处理视频信号的DCT(离散余弦变换)电路(3),用于量化DCT电路(3)的输出信号的量化器(4),外码电路(5) )和(10),用于向来自量化器(4)的量化数据添加纠错码,以及用于在磁带(14)上记录输出数据的记录头(13),由此数据或外部码的高频分量 记录在一个场的轨道的第一和最后轨道上。 在构成一个场的轨道中,数据或外部码的高频分量受再现错误影响较小,记录在相应的末尾轨道上,原始记录数据在编辑时会由于误跟踪而被破坏。 因此,即使通过编辑时的错误跟踪而使编辑点发生位移,使得原始记录数据被破坏而导致错误发生,则可以减少当发生错误时再现图像的图像质量劣化的量 相当。