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    • 5. 发明授权
    • Semiconductor embedded layer technology utilizing selective epitaxial
growth methods
    • 采用选择性外延生长方法的半导体嵌入层技术
    • US5032538A
    • 1991-07-16
    • US073912
    • 1987-07-07
    • Carl O. BozlerGary D. AlleyWilliam T. LindleyR. Allen Murphy
    • Carl O. BozlerGary D. AlleyWilliam T. LindleyR. Allen Murphy
    • H01L21/20H01L21/335H01L21/74H01L23/482H01L23/52H01L23/535H01L29/772H01L29/92
    • H01L29/66424H01L21/743H01L23/4824H01L23/52H01L23/535H01L28/40H01L29/7722H01L2924/0002H01L2924/3011Y10S148/026Y10S148/053Y10S148/115Y10S148/142Y10S148/164
    • A permeable base transistor (30) including a metal base layer (34) embedded in a semiconductor crystal (32) to separate collector (38) and emitter (40) regions and form a Schottky barrier with each is disclosed. The metal base layer has at least one opening (37) through which the crystal semiconductor (32) joins the collector (38) and emitter (40) regions. Ohmic contacts (42,44) are made to the emitter (38) and collector (40) regions. The width of all openings (37) in the base layer (34) is of the order of the zero bias depletion width corresponding to the carrier concentration in the opening. The thickness of the metal layer (34) is in the order of 10% of this zero bias depletion width. As a result, a potential barrier in each opening limits current flow over the lower portion of the bias range. With increasing forward base bias the potential in the openings, which is lower than along the metal of the base layer (34), is lowered sufficiently to permit substantial increase in the barrier limited current flow from the collector (38) to emitter (40).A method of fabricating this transistor as well as methods for forming integrated circuit structures are also disclosed. Metal and other layers may be selectively embedded in semiconductor crystal. Embedded metal layers may serve as interconnections between devices. Devices may be in a stacked configuration.
    • 公开了一种可渗透的基极晶体管(30),其包括嵌入半导体晶体(32)中以分离集电极(38)和发射极(40)区域并形成肖特基势垒的金属基底层(34)。 金属基层具有至少一个开口(37),晶体半导体(32)通过该开口连接集电极(38)和发射极(40)区域。 欧姆接触(42,44)制成发射极(38)和集电极(40)区域。 基底层(34)中的所有开口(37)的宽度为与开口中的载流子浓度相对应的零偏置耗尽宽度的量级。 金属层(34)的厚度为该零偏置耗尽宽度的10%量级。 结果,每个开口中的势垒限制了偏压范围下部的电流。 随着正向基极偏压的增加,开口中比基底层(34)的金属低的电位被充分降低,从而可以显着增加从集电器(38)到发射极(40)的阻挡限制电流, 。 还公开了一种制造该晶体管的方法以及用于形成集成电路结构的方法。 金属等层可以选择性地嵌入在半导体晶体中。 嵌入式金属层可用作器件之间的互连。 设备可能处于堆叠配置。
    • 6. 发明授权
    • Method and system for distribution of an exposure control signal for focal plane arrays
    • 用于焦平面阵列曝光控制信号分配的方法和系统
    • US07501634B1
    • 2009-03-10
    • US10742285
    • 2003-12-19
    • Robert K. ReichBernard KosicjiDennis RathmanRichard OsgoodMichael RoseR. Allen MurphyRobert Berger
    • Robert K. ReichBernard KosicjiDennis RathmanRichard OsgoodMichael RoseR. Allen MurphyRobert Berger
    • H01L27/146
    • H04N5/2353H01L27/14609H01L27/14643H04N5/353
    • A large format imager includes an array of pixels for converting electromagnetic radiation into electrical signals and a trigger to from an optical pulse so as to trigger the pixels to generate an integration period. Each pixel includes a photodiode to convert light intensity of high-frequency radiation into an electrical charge, a reset switch to reset the photodiode, circuitry to enable sampling of the electrical charge produced by the photodiode, a photoswitch to convert an optical trigger pulse, received from the trigger, into an electrical signal, an inverter to produce a control signal corresponding to the electrical signal produced by the photoswitch, and control circuitry to locally generate integration control signals. The integration control signals control a start of an integration period for the photodiode, duration of the integration period for the photodiode, and the sampling of the electrical charge produced by the photodiode. The large format imager may also include a trigger for producing an electrical pulse so as to trigger the pixels to generate an integration period and tree type electrical distribution system for propagating the electrical pulse to all the pixels, wherein each pixel includes a global repeater circuit to propagate a first edge of said electrical pulse along said tree type electrical distribution system and a local repeater circuit to provide a local array of pixels with the first edge of the electrical pulse.
    • 大格式成像器包括用于将电磁辐射转换为电信号的像素阵列和来自光脉冲的触发,以便触发像素以产生积分周期。 每个像素包括光电二极管以将高频辐射的光强度转换为电荷,复位开关以复位光电二极管,电路以使得能够对由光电二极管产生的电荷进行采样,光接收器转换光接收脉冲 从触发器转换成电信号,逆变器产生对应于由光开关产生的电信号的控制信号,以及控制电路以本地产生积分控制信号。 积分控制信号控制光电二极管的积分周期的开始,光电二极管的积分周期的持续时间以及由光电二极管产生的电荷的采样。 大格式成像器还可以包括用于产生电脉冲的触发器,以便触发像素以产生积分周期,并且用于将电脉冲传播到所有像素的树型配电系统,其中每个像素包括全局中继器电路 沿着所述树型配电系统和本地中继器电路传播所述电脉冲的第一边缘,以向电脉冲的第一边缘提供局部阵列阵列。