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    • 31. 发明申请
    • Nonvolatile semiconductor memory device
    • 非易失性半导体存储器件
    • US20070249120A1
    • 2007-10-25
    • US11785694
    • 2007-04-19
    • Hirokazu IshidaMasayuki Tanaka
    • Hirokazu IshidaMasayuki Tanaka
    • H01L21/336H01L29/94
    • H01L27/115H01L27/11521
    • A nonvolatile semiconductor memory device includes a first dielectric layer formed on the major surface of a semiconductor substrate, a floating gate electrode layer formed on the first dielectric layer, a second dielectric layer obtained by sequentially forming, on the floating gate electrode layer, a lower dielectric film mainly containing silicon and nitrogen, an intermediate dielectric film, and an upper dielectric film mainly containing silicon and nitrogen, a control gate electrode layer formed on the second dielectric layer, and a buried dielectric layer formed by covering the two side surfaces in the gate width direction of the stacked structure including the above-mentioned layers. The nonvolatile semiconductor memory device further includes a silicon oxide film formed near the buried dielectric layer in the interface between the floating gate electrode layer and lower dielectric film.
    • 非易失性半导体存储器件包括形成在半导体衬底的主表面上的第一电介质层,形成在第一电介质层上的浮栅电极层,通过在浮栅电极层上依次形成下层 主要含有硅和氮的电介质膜,中间电介质膜和主要含有硅和氮的上电介质膜,形成在第二介电层上的控制栅极电极层和通过覆盖第二电介质层中的两个侧表面而形成的掩埋电介质层 包括上述层的层叠结构的栅极宽度方向。 非易失性半导体存储器件还包括在浮置栅极电极层和下部电介质膜之间的界面中形成在掩埋电介质层附近的氧化硅膜。
    • 40. 发明授权
    • Non-interruptive protection switching device and network system using the same
    • 非中断保护开关器件和网络系统使用相同
    • US06754172B1
    • 2004-06-22
    • US09723116
    • 2000-11-27
    • Masayuki TanakaMasaki KuboSatoshi NemotoShuji SakakuraShigeo HandaYuji Kamura
    • Masayuki TanakaMasaki KuboSatoshi NemotoShuji SakakuraShigeo HandaYuji Kamura
    • H04J306
    • H04J3/0623H04J3/085H04J2203/0042H04J2203/006H04J2203/0096
    • A non-interruptive protection switching device which performs protection switching in a more efficient and robust way. The device has a working-channel signal storage unit to store data signals received through a working channel. Multiframe synchronization timings are detected by a working-channel multiframe synchronization controller, which provides a working-channel multiframe sync detection pulse signal when the main signals are in a normal condition and stops it when the channel is disrupted. A working-channel write controller controls every write access to the working-channel signal storage unit, generating a write pulse signal therefor. The working-channel write controller also produces working-channel write phase data by identifying a phase difference of the detected multiframe synchronization timing with respect to a reference phase signal. The generation of this write pulse signal is based on the multiframe sync detection pulse signal when the working-channel multiframe sync detection pulse signal is available, or on a free-running timebase when it is stopped. The stored data in the working- and protection-channel signal storage units are read out simultaneously, under the control of a read controller which produces read pulses from the write phase data.
    • 一种非中断保护切换装置,以更有效和鲁棒的方式进行保护倒换。 该设备具有工作信道信号存储单元,用于存储通过工作信道接收的数据信号。 多帧同步定时由工作信道复帧同步控制器检测,当主信号处于正常状态时,该帧同步控制器提供工作信道复帧同步检测脉冲信号,并在通道中断时停止。 工作通道写入控制器控制对工作通道信号存储单元的每个写入访问,产生写入脉冲信号。 工作通道写入控制器还通过相对于参考相位信号识别检测到的多帧同步定时的相位差来产生工作通道写入相位数据。 当工作信道复帧同步检测脉冲信号可用时,或者在停止时的自由运行时基上,该写入脉冲信号的产生基于多帧同步检测脉冲信号。 工作和保护通道信号存储单元中存储的数据在读写控制器的控制下被同时读出,读控制器从写相位数据产生读脉冲。