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    • 6. 发明授权
    • Semiconductor pressure transducer
    • 半导体压力传感器
    • US4065971A
    • 1978-01-03
    • US701531
    • 1976-07-01
    • Michitaka ShimazoeKousuke NakamuraYasuo MatsushitaSatoshi ShimadaKazuji YamadaYukio Takahashi
    • Michitaka ShimazoeKousuke NakamuraYasuo MatsushitaSatoshi ShimadaKazuji YamadaYukio Takahashi
    • H01L29/84G01L9/00G01L9/06
    • G01L9/0054
    • A semiconductor pressure transducer includes a monocrystalline semiconductor diaphragm, the outer edges of which are fixed. When subjected to pressure, the transducer produces radial strains of opposite polarity in a central portion thereof and a portion surrounding the central portion close to the edge of the strain inducing region. The diaphragm contains a plurality of elongated resistances formed of semiconductor material of the same conductivity type which are electrically isolated from the diaphragm, per se. Resistances of an individual set which lie in proximity to one another are combined in the form of a bridge. The longitudinal direction of resistances forming one set of opposing arms of the bridge extend along axes of the same crystal system as the longitudinal direction of the elongated resistances forming the other set of opposing arms of the bridge. However, the longitudinal directions of the separate sets of resistances forming the opposing arms of the bridge lie in directions so that they do not orthogonally intersect each other.
    • 半导体压力传感器包括其外边缘固定的单晶半导体膜片。 当经受压力时,换能器在其中心部分产生相反极性的径向应变,并且围绕中心部分的部分靠近应变诱导区域的边缘产生。 隔膜包含由与膜片电气隔离的相同导电类型的半导体材料形成的多个细长电阻。 位于彼此靠近的单个组的电阻以桥的形式组合。 形成桥的一组相对臂的电阻的纵向方向沿与构成桥的另一组相对臂的细长电阻的纵向相同的晶体系的轴线延伸。 然而,形成桥的相对臂的单独的电阻组的纵向方向在方向上,使得它们不会彼此正交相交。
    • 9. 发明授权
    • Semiconductor device
    • 半导体器件
    • US08643145B2
    • 2014-02-04
    • US13414651
    • 2012-03-07
    • Yukio Takahashi
    • Yukio Takahashi
    • H01L29/00H01L21/02
    • H01L27/0802H01L27/0207H01L27/0288H01L28/20
    • A semiconductor device including a substrate, an insulation film being embedded into the substrate and having multiple openings, multiple dummy diffusion layers formed in the substrate and located in the openings, multiple resistance elements being formed over the insulation film so as not to overlap the dummy diffusion layers in a plan view in a resistance element forming region and extending in a first direction, and multiple dummy resistance elements being formed over the insulation film and the dummy diffusion layers and extending in the first direction in the resistance element forming region, in which each of the dummy resistance elements overlaps at least two dummy diffusion layers aligning in a second direction perpendicular to the first direction in a plane horizontal to the substrate in a plan view.
    • 一种半导体器件,包括衬底,绝缘膜被嵌入到所述衬底中并具有多个开口,在所述衬底中形成并位于所述开口中的多个虚拟扩散层,在所述绝缘膜上形成多个电阻元件,以便不与所述虚拟 在电阻元件形成区域中的平面图中的扩散层并沿第一方向延伸,并且多个虚设电阻元件形成在绝缘膜和虚拟扩散层之上并在电阻元件形成区域中沿第一方向延伸,其中 在平面图中,每个虚拟电阻元件至少两个在与基板水平的平面中的垂直于第一方向的第二方向上对准的虚拟扩散层。
    • 10. 发明授权
    • Power supply circuit
    • 电源电路
    • US08536843B2
    • 2013-09-17
    • US13109113
    • 2011-05-17
    • Yukio Takahashi
    • Yukio Takahashi
    • G05F1/00
    • H02M3/1584H02M1/4225H02M2003/1586Y02B70/126
    • This invention offers a power supply circuit that is capable of improving a power factor as well as reducing a ripple current of an input/output of the power supply circuit due to switching of a switching device. The power supply circuit is provided with a first power supply circuit including first and second switching devices, a second power supply circuit including third and fourth switching devices and a switching control circuit. The switching control circuit controls the switching devices so that the first switching device and the third switching device are turned on and off at timings different from each other when an alternating current voltage from an alternating current power supply is positive, and the second switching device and the fourth switching device are turned on and off at timings different from each other when the alternating current voltage is negative.
    • 本发明提供一种电源电路,其能够改善功率因数以及由于切换装置的切换而减小电源电路的输入/输出的纹波电流。 电源电路设置有包括第一和第二开关装置的第一电源电路,包括第三和第四开关装置的第二电源电路和开关控制电路。 开关控制电路控制开关装置,使得当来自交流电源的交流电压为正时,第一开关装置和第三开关装置在彼此不同的定时导通和关断,并且第二开关装置和 当交流电压为负时,第四开关器件在彼此不同的定时导通和截止。