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    • 75. 发明申请
    • STRUCTURE FOR IMAGERS HAVING ELECTRICALLY ACTIVE OPTICAL ELEMENTS
    • 具有电活动光学元件的图像的结构
    • US20090065818A1
    • 2009-03-12
    • US11850807
    • 2007-09-06
    • Brent A. AndersonJohn J. Ellis-MonaghanEdward J. Nowak
    • Brent A. AndersonJohn J. Ellis-MonaghanEdward J. Nowak
    • H01L27/146
    • H01L27/14627H01L27/14621H01L27/14636
    • A design structure embodied in a machine readable medium for use in a design process, the design structure representing a CMOS image sensor device comprising an array of active pixel cells. Each active pixel cell includes a substrate; a photosensing device formed at or below a substrate surface for collecting charge carriers in response to incident light; and, one or more light transmissive conductive wire structures formed above the photosensing device, the one or more conductive wire structures being located in an optical path above the photosensing device. The formed light transmissive conductive wire structures provide both an electrical and optical functions. An optical function is provided by tailoring the thickness of the conductive wire layer to filter light according to a pixel color scheme. Alternately, the light transmissive conductive wire structures may be formed as a microlens structure providing a light focusing function. Electrical functions for the conductive wire layer include use as a capacitor plate, as a resistor or as an interconnect.
    • 体现在用于设计过程的机器可读介质中的设计结构,该设计结构表示包括有源像素单元阵列的CMOS图像传感器设备。 每个有源像素单元包括衬底; 形成在基板表面处或下方的光敏装置,用于响应于入射光收集电荷载体; 以及形成在光敏器件上方的一个或多个透光导线结构,所述一个或多个导电线结构位于光敏器件上方的光路中。 形成的透光导线结构提供电和光学功能。 通过根据像素配色方案调整导线层的厚度以过滤光,提供光学功能。 或者,透光导线结构可以形成为提供光聚焦功能的微透镜结构。 用于导线层的电气功能包括用作电容器板,电阻器或互连件。
    • 78. 发明授权
    • Low lag transfer gate device
    • 低延迟传输门装置
    • US08743247B2
    • 2014-06-03
    • US12013826
    • 2008-01-14
    • James W. AdkissonAndres BryantJohn J. Ellis-Monaghan
    • James W. AdkissonAndres BryantJohn J. Ellis-Monaghan
    • H04N3/14H01L31/062
    • H01L31/103H04N5/353H04N5/374H04N5/3745
    • A method of forming a CMOS active pixel sensor (APS) cell structure having at least one transfer gate device and method of operation. A first transfer gate device comprises a diodic or split transfer gate conductor structure having a first doped region of first conductivity type material and a second doped region of a second conductivity type material. A photosensing device is formed adjacent the first doped region for collecting charge carriers in response to light incident thereto, and, a diffusion region of a second conductivity type material is formed at or below the substrate surface adjacent the second doped region of the transfer gate device for receiving charges transferred from the photosensing device while preventing spillback of charges to the photosensing device upon timed voltage bias to the diodic or split transfer gate conductor structure. Alternately, an intermediate charge storage device and second transfer gate device may be provided which may first temporarily receive charge carriers from the photosensing device, and, upon activating the second transfer gate device in a further timed fashion, read out the charge stored at the intermediate charge storage device for transfer to the second transfer gate device while preventing spillback of charges to the photosensing device. The APS cell structure is further adapted for a global shutter mode of operation, and further comprises a light shield element is further provided to ensure no light reaches the photosensing and charge storage devices during charge transfer operation.
    • 一种形成具有至少一个传输栅极器件和操作方法的CMOS有源像素传感器(APS)单元结构的方法。 第一传输栅极器件包括具有第一导电类型材料的第一掺杂区域和第二导电类型材料的第二掺杂区域的二极或分裂传输栅极导体结构。 光敏装置形成在第一掺杂区域附近,用于响应于入射到其上的光而收集电荷载流子,并且第二导电类型材料的扩散区域形成在与传输栅极器件的第二掺杂区域相邻的衬底表面处或下方 用于接收从光敏装置转移的电荷,同时防止在针对二极或分离转移栅极导体结构的定时电压偏压时对光敏装置的电荷溢出。 或者,可以提供中间电荷存储装置和第二传输门装置,其可以首先临时从光敏装置接收电荷载体,并且在以另外的定时方式激活第二传输门装置时,读出存储在中间 电荷存储装置,用于传送到第二传输门装置,同时防止电荷向光感器件溢出。 APS单元结构进一步适用于全局快门操作模式,并且进一步包括遮光元件,以在电荷转移操作期间确保没有光到达光敏和电荷存储装置。
    • 80. 发明授权
    • Bipolar transistor with a raised collector pedestal for reduced capacitance
    • 双极晶体管带有集电极基座,用于降低电容
    • US08610174B2
    • 2013-12-17
    • US13307412
    • 2011-11-30
    • James W. AdkissonJohn J. Ellis-MonaghanDavid L. HarameQizhi LiuJohn J. Pekarik
    • James W. AdkissonJohn J. Ellis-MonaghanDavid L. HarameQizhi LiuJohn J. Pekarik
    • H01L31/109
    • H01L29/66234H01L29/0826H01L29/66287H01L29/732H01L29/7371
    • Disclosed is a transistor with a raised collector pedestal in reduced dimension for reduced base-collector junction capacitance. The raised collector pedestal is on the top surface of a substrate, extends vertically through dielectric layer(s), is un-doped or low-doped, is aligned above a sub-collector region contained within the substrate and is narrower than that sub-collector region. An intrinsic base layer is above the raised collector pedestal and the dielectric layer(s). An extrinsic base layer is above the intrinsic base layer. Thus, the space between the extrinsic base layer and the sub-collector region is increased. This increased space is filled by dielectric material and the electrical connection between the intrinsic base layer and the sub-collector region is provided by the relatively narrow, un-doped or low-doped, raised collector pedestal. Consequently, base-collector junction capacitance is reduced and, consequently, the maximum oscillation frequency is increased.
    • 公开了具有降低的集电极基座的晶体管,用于减小基极 - 集电极结电容。 凸起的收集器基座位于基板的顶表面上,垂直延伸穿过绝缘层(未掺杂或低掺杂)在衬底内的子集电极区域上方排列, 收集区域。 本征基层在凸起的收集器基座和介电层之上。 外在基层在本征基层之上。 因此,外部基极层和副集电极区域之间的空间增加。 该增加的空间由电介质材料填充,并且本征基极层和次集电极区域之间的电连接由相对窄的未掺杂或低掺杂的升高的集电极基座提供。 因此,集电极结电容减小,因此最大振荡频率增加。