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    • 102. 发明授权
    • Desk-top calculator keyboard switch
    • 台式计算器键盘开关
    • US4180711A
    • 1979-12-25
    • US833344
    • 1977-09-14
    • Osamu HirataYuji Harada
    • Osamu HirataYuji Harada
    • H01H13/76G06F3/02G06F15/02H01H13/702H01H13/785H01H13/70H01H1/02H05K1/00
    • H01H13/785H01H13/702H01H2201/03H01H2207/026H01H2229/004H01H2231/002
    • An electronic desk-top calculator includes a bottom casing for the calculator on the inner surface of which bottom casing there are provided fixed contacts, and a flexible plate having thereon pairs of contacts provided with wiring conductors therefor. These pairs of contacts are so arranged at the positions in registry with the fixed contacts as to form a matrix. The fixed contacts act as bridging contacts and comprise electrically conductive material containing carbon particles. The pairs of contacts and wiring conductors have a first electrically conductive layer. An insulative layer of moisture-resistive material overlies the first conductive layer except those terminal ends of the wiring conductor which serve as contacts or electrical connectors. The exposed portions of the first conductive layer which function as switch contacts have an additional layer of electrically conductive material containing carbon particles.
    • 一种电子桌面计算器,包括一个用于计算器的底部壳体,其内表面具有底部壳体,该底部壳体设置有固定的触点,以及一个柔性板,在其上具有设置有布线导体的触点对。 这些触点对被布置在与固定触点对准的位置处以形成矩阵。 固定触点用作桥接触点并且包括含有碳颗粒的导电材料。 该对触点和布线导体具有第一导电层。 绝缘层的防潮材料覆盖在作为触点或电连接器的布线导体的那些末端之外的第一导电层。 用作开关触点的第一导电层的暴露部分具有含有碳颗粒的另外的导电材料层。
    • 109. 发明申请
    • SEMICONDUCTOR DEVICE
    • 半导体器件
    • US20100001315A1
    • 2010-01-07
    • US12473604
    • 2009-05-28
    • Masaaki OKITAKazuyuki SawadaYuji HaradaSaichirou KanekoHiroto Yamagiwa
    • Masaaki OKITAKazuyuki SawadaYuji HaradaSaichirou KanekoHiroto Yamagiwa
    • H01L29/739H01L29/78
    • H01L29/0847H01L29/0634H01L29/0692H01L29/7393H01L29/7835H01L2029/42388H01L2924/0002H01L2924/00
    • A semiconductor device includes a first diffusion region of a second conductivity type formed in an upper portion of a semiconductor substrate of a first conductivity type, a second diffusion region formed in a surface portion of the first diffusion region, a third diffusion region of the second conductivity type formed a predetermined distance spaced apart from the second diffusion region in the surface portion of the semiconductor substrate, a fourth diffusion region of the first conductivity type formed adjacent to the third diffusion region and electrically connected to the third diffusion region, a gate electrode formed on a part between the first diffusion region and the third diffusion region, and an insulating film formed thereon. The impurity concentration of the first diffusion region is set higher than an impurity concentration at which a depletion region extending from an junction interface between the first diffusion region and the semiconductor substrate is formed in a part of the first diffusion region which is between the second diffusion region and the gate electrode when a voltage is applied to the second diffusion region.
    • 半导体器件包括形成在第一导电类型的半导体衬底的上部中的第二导电类型的第一扩散区域,形成在第一扩散区域的表面部分中的第二扩散区域,第二扩散区域的第二扩散区域 在半导体衬底的表面部分形成与第二扩散区间隔开的预定距离的导电类型,与第三扩散区相邻形成并与第三扩散区电连接的第一导电类型的第四扩散区,栅电极 形成在第一扩散区域和第三扩散区域之间的部分上,以及形成在其上的绝缘膜。 将第一扩散区域的杂质浓度设定为高于从第一扩散区域和半导体衬底之间的结界面延伸的耗尽区域形成在第一扩散区域的位于第二扩散区域的部分之间的杂质浓度 区域和栅电极,当电压施加到第二扩散区域时。