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    • 3. 发明授权
    • Electrically erasable semiconductor non-volatile memory device having memory cell array divided into memory blocks
    • 具有划分为存储块的存储单元阵列的电可擦除半导体非易失性存储器件
    • US06288941B1
    • 2001-09-11
    • US08379020
    • 1995-01-27
    • Kouichi SekiToshihiro TanakaHitoshi KumeTakeshi WadaTadashi Muto
    • Kouichi SekiToshihiro TanakaHitoshi KumeTakeshi WadaTadashi Muto
    • G11C1604
    • G11C16/10G11C8/12G11C16/16
    • An electrically erasable semiconductor nonvolatile memory device has an array of memory cells arranged in rows and columns and one or more information erasure signal generating circuits. Each of the memory cells of the memory cell array includes a field-effect transistor element having a control gate connected with a word line conductor extending in a direction of the rows, a floating gate where carriers may be accumulated, a drain connected with a data line conductor extending in the direction of the columns and a source connected with a source conductor. The memory cell array may be divided into a plurality of memory blocks so as to have boundaries in the row direction or in the column direction, with the source conductors arranged in the row direction or in the column direction. Information erasure signals may be supplied to the source conductors or data line conductors with a time delay therebetween.
    • 电可擦除半导体非易失性存储器件具有排列成行和列的存储单元阵列和一个或多个信息擦除信号发生电路。 存储单元阵列的每个存储单元包括场效应晶体管元件,其具有与沿着行的方向延伸的字线导体连接的控制栅极,可以累积载流子的浮置栅极,与数据相连的漏极 线导体沿列的方向延伸,源极与源极连接。 存储单元阵列可以被划分为多个存储块,以便在行方向或列方向上具有沿着行方向或列方向布置的源极的边界。 信息擦除信号可以以它们之间的时间延迟提供给源极导体或数据线导体。
    • 4. 发明授权
    • Method of fabricating radio device helical antennas
    • 制造无线电设备螺旋天线的方法
    • US5914697A
    • 1999-06-22
    • US952695
    • 1997-12-02
    • Kouichi Seki
    • Kouichi Seki
    • H01F21/06H01Q1/24H01Q1/36H01Q1/38H01Q5/10H01Q9/30H01Q11/08
    • H01Q11/08H01Q1/242H01Q1/362
    • A portable radio device helical antenna 1 is fabricated by a method wherein the cutting boss component 6 of a molded element 7, that has a spirally cut groove 4 formed around an insulator and that has a mounting component 3 at one end and the boss component 6 at the other end, is chucked, the components are metal plated, the metal layer is then removed except from the groove 4 and mounting component 3, the boss component 6 is then cut off and that location is machined, and a radio device base plate fixing hole 9 is formed in the mounting component 3. The mounting component 3 is then mounted on the base plate of a radio device main body.
    • PCT No.PCT / JP97 / 00760 Sec。 371日期1997年12月2日第 102(e)日期1997年12月2日PCT 1997年3月11日PCT公布。 WO97 / 37400 PCT出版物 日期1997年10月9日便携式无线电设备螺旋天线1通过一种方法制造,其中模制元件7的切割凸台部件6具有围绕绝缘体形成并且在一端具有安装部件3的螺旋切割凹槽4 并且另一端的凸台部件6被卡住,部件被金属镀覆,然后除了凹槽4和安装部件3之外除去金属层,然后将凸台部件6切断并且该位置被加工,以及 在安装部件3中形成无线电设备基板固定孔9.安装部件3然后安装在无线电设备主体的基板上。