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    • 31. 发明授权
    • Semiconductor memory device with two separate gates per block
    • 半导体存储器件,每个块具有两个独立的栅极
    • US5027173A
    • 1991-06-25
    • US261022
    • 1988-10-20
    • Shinichi Satoh
    • Shinichi Satoh
    • H01L27/10H01L21/334H01L21/822H01L21/8242H01L27/04H01L27/108
    • H01L29/66181H01L27/10841
    • A semiconductor memory device comprises a semiconductor substrate (10), a trench (12) formed on a main surface (11) of the semiconductor substrate, a gate region (15) formed on a main surface portion in the trench, a passive element region (16) formed on a bottom side portion of the trench and a source/drain region (20) formed on the main surface of the semiconductor substrate. The method for manufacturing the semiconductor memory device comprises the steps of forming a wide first trench (31) on a portion of the main surface of the semiconductor substrate, forming a narrow second trench (32) on the bottom portion of the first trench, forming a passive element region in the second trench, forming a gate region in the first trench, and forming a source/drain region on the main surface portion of the semiconductor substrate.
    • 半导体存储器件包括半导体衬底(10),形成在半导体衬底的主表面(11)上的沟槽(12),形成在沟槽中的主表面部分上的栅极区域(15),无源元件区域 (16),形成在所述沟槽的底侧部分上,以及形成在所述半导体衬底的主表面上的源/漏区(20)。 半导体存储器件的制造方法包括以下步骤:在半导体衬底的主表面的一部分上形成宽的第一沟槽(31),在第一沟槽的底部形成窄的第二沟槽(32),形成 在所述第二沟槽中的无源元件区域,在所述第一沟槽中形成栅极区域,以及在所述半导体衬底的所述主表面部分上形成源极/漏极区域。
    • 37. 发明授权
    • Bar-code reader
    • 条码读取器
    • US06334572B1
    • 2002-01-01
    • US09639775
    • 2000-08-16
    • Isao IwaguchiShinichi SatohHiroaki KawaiMitsuo WatanabeMotohiko Itoh
    • Isao IwaguchiShinichi SatohHiroaki KawaiMitsuo WatanabeMotohiko Itoh
    • G06K938
    • G06K7/10851G06K7/14
    • A bar-code reader having a photoelectric conversion unit for converting reflected light from a bar code into an electric signal and a changing point detecting unit for detecting, from the electric signal generated by the photoelectric conversion unit, a changing point at which a white stripe is changed to a black stripe in the bar code wherein the bar code is read based on a plurality of changing points detected by the changing point detecting unit. The bar-code reader includes a determination unit for determining, based on measurement of a distance between changing points, whether a changing point is detected as a true changing point at which a white stripe or a black stripe is changed to a black stripe or a white stripe in a bar code or as a false changing point; and a correcting unit for correcting the changing point detected as the false changing point to the true detecting point based on the changing point determined as the true changing point.
    • 一种条形码阅读器,具有用于将来自条形码的反射光转换为电信号的光电转换单元和用于从光电转换单元生成的电信号中检测白色条纹的变化点的变化点检测单元, 在条形码中变为黑色条纹,其中基于由变化点检测单元检测到的多个变化点来读取条形码。 条形码读取器包括:确定单元,用于基于变化点之间的距离的测量来确定变化点是否被检测为白色条纹或黑色条纹变为黑色条纹的真实变化点,或者 条形码中的白色条纹或虚假变化点; 以及校正单元,用于基于被确定为真实变化点的变化点,将检测到的变化点校正为真实检测点。