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    • 6. 发明授权
    • Charge level sensor
    • 充电水平传感器
    • US4406987A
    • 1983-09-27
    • US245841
    • 1981-03-20
    • Toshihisa Hamano
    • Toshihisa Hamano
    • G01R29/24G01R29/12
    • G01R29/24
    • A charge level sensor in which the distance between the sensor and a sample to be sensed is maintained constant and the sensor is entirely protected from strain or contamination by foreign matter and is reduced in size. A rotary drum of aluminum is provided with plural recesses therein in which are disposed charge sensors, preferably MOS FET's. Holes are formed though the substrate leading into the recesses through which pass lead wires coupled to the sensors. The surface of the substrate, including the sensors, is covered by an electric-charge retaining layer such as a photosensitive material or a dielectric material.
    • 传感器和要感测的样品之间的距离保持恒定并且传感器完全受到外来物质的应变或污染的尺寸的减小的电荷水平传感器。 铝的旋转鼓在其中设置有多个凹部,其中设置有电荷传感器,优选地是MOS FET。 孔通过穿过导线连接到传感器的凹槽中而形成。 包括传感器的基板的表面被诸如感光材料或电介质材料的电荷保持层覆盖。
    • 9. 发明授权
    • Photoelectric converter for wireless communication
    • 无线通信光电转换器
    • US06650674B1
    • 2003-11-18
    • US09625415
    • 2000-07-25
    • Toshihisa HamanoShigeo Kawasaki
    • Toshihisa HamanoShigeo Kawasaki
    • H01S500
    • H04B10/25759H01S5/0028
    • The present invention is made to provide a photoelectric converter for wireless communication that functions as the center of a base station for providing a base station which is simple, can be manufactured at low cost and meets sufficient performance in a high frequency band. Therefore, a photoelectric converter for wireless communication according to the invention is provided with an n-type DBR mirror layer as a first mirror, an active layer area and a p-type DBR mirror layer as a second mirror composing a cavity together with the n-type DBR mirror layer respectively sequentially laminated on an n-type substrate, VCSEL in which an electrode on the side of p and an electrode on the side of n are provided, a channel that transmits light laminated on VCSEL and MESFET composed of a gate electrode as a mirror electrode composing a cavity together with the n-type DBR mirror layer of VCSEL, a source electrode and a drain electrode.
    • 本发明的目的在于提供一种无线通信用光电转换器,其作为用于提供基站的基站的中心,该基站简单,可以以低成本制造并在高频带中满足足够的性能。 因此,根据本发明的用于无线通信的光电转换器设置有n型DBR镜层作为第一反射镜,有源层区域和p型DBR镜像层,作为构成空腔的第二反射镜以及n 分别依次层压在n型基板上的VCSEL,其中设置有p侧的电极和n侧的电极的VCSEL,透过层叠在VCSEL上的光和由栅极构成的MESFET的沟道 电极作为与VCSEL的n型DBR镜面层,源电极和漏极电极构成空腔的镜电极。