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    • 51. 发明授权
    • High resistance polysilicon SRAM load elements and methods of fabricating therefor
    • 高电阻多晶硅SRAM负载元件及其制造方法
    • US06184103B2
    • 2001-02-06
    • US09105579
    • 1998-06-26
    • Jia LiYaoxiong Wu
    • Jia LiYaoxiong Wu
    • H01L2900
    • H01L28/20H01L27/11H01L27/1112
    • The present invention provides stable and reliable extremely high resistance polysilicon resistors for use as SRAM load elements, and methods for their fabrication. In an embodiment, a resistor element of a semiconductor device includes at least one polysilicon layer, and a silicon nitride layer deposited directly onto this polysilicon layer. The silicon nitride layer prevents contamination of the polysilicon layer during subsequent fabrication process steps. A method of fabricating a polysilicon resistor on a semiconductor substrate is also provided. The method includes the step of depositing a layer of polysilicon on the substrate, followed by depositing a layer of protective material over the polysilicon layer to form a protected polysilicon layer. After deposition of the protective layer, resistors are formed by implanting dopants into the polysilicon layer, and patterning through lithography, and etching the nitride and the polysilicon layer. The step of depositing a layer of protective material can include depositing a layer of silicon nitride. Dopants can be selected from a group consisting of boron, phosphorous, and arsenic, and can be implanted at dosage levels generally within a range of between zero and 5*1013 ions/cm2 and at energy levels generally within a range of between 35 KeV and 80 KeV.
    • 本发明提供用作SRAM负载元件的稳定和可靠的极高电阻多晶硅电阻器及其制造方法。 在一个实施例中,半导体器件的电阻元件包括至少一个多晶硅层和直接沉积在该多晶硅层上的氮化硅层。 氮化硅层在随后的制造工艺步骤中防止多晶硅层的污染。 还提供了在半导体衬底上制造多晶硅电阻器的方法。 该方法包括在衬底上沉积多晶硅层的步骤,然后在多晶硅层上沉积一层保护材料以形成被保护的多晶硅层。 在保护层沉积之后,通过将掺杂剂注入到多晶硅层中并通过光刻进行图案化以及蚀刻氮化物和多晶硅层来形成电阻器。 沉积保护材料层的步骤可包括沉积氮化硅层。 掺杂剂可以选自由硼,磷和砷组成的组,并且可以以通常在零和5×10 13离子/ cm 2之间的范围内的剂量水平植入,并且能量通常在35KeV和 80 KeV。
    • 56. 发明授权
    • Patient-specific instruments for total ankle arthroplasty
    • 全踝关节成形术的患者特异性器械
    • US09186154B2
    • 2015-11-17
    • US13050190
    • 2011-03-17
    • Jia Li
    • Jia Li
    • A61B17/15A61B17/56A61B19/00A61F2/42A61B17/17
    • A61B17/15A61B17/157A61B17/1775A61B2034/108A61F2002/4205A61F2002/4207F04C2270/041
    • Patient-specific instruments for preparing bones for receipt of orthopedic prostheses, such as the distal tibia and the talus in a total ankle arthroplasty (TAA) procedure. A tibial guide and a talar guide are manufactured based on patient-specific anatomical data obtained using imaging technology, and each guide includes a surface conforming to selected anatomical surfaces or regions of the tibia or talus, respectively. Each guide includes at least one cut referencing surface, such as a cut slot, to guide a resection, and may also include a guide aperture sized to guide a reaming tool for reaming the distal tibia or talus. The guides may also include pin holes positioned within a periphery defined by the cut referencing surfaces such that, when the resections are made and the resected tibial bone portion or talus bone portion is removed, the guide and its associated pins are removed along with the resected bone portion.
    • 用于准备骨骼的患者专用仪器,用于接收矫形假体,例如踝关节置换术(TAA)程序中的远端胫骨和距骨。 基于使用成像技术获得的患者特异性解剖学数据制造胫骨引导件和距离引导件,并且每个引导件分别包括符合选定的解剖表面或胫骨或距骨的区域的表面。 每个引导件包括至少一个切割参考表面,例如切口槽,用于引导切除,并且还可以包括尺寸适于引导用于使远端胫骨或距骨扩孔的扩孔工具的引导孔。 引导件还可以包括定位在由切割参考表面限定的周边内的销孔,使得当切除被切除并且切除的胫骨骨部分或距骨骨骼部分被移除时,引导件及其相关联的引脚与切除的 骨部分。
    • 60. 发明申请
    • Method of Detecting and Correcting Digital Images of Books in the Book Spine Area
    • 检索和纠正书脊脊书籍数字图像的方法
    • US20120294528A1
    • 2012-11-22
    • US13111199
    • 2011-05-19
    • Jia LiMikhail BrusnitsynSujay Sukumaran
    • Jia LiMikhail BrusnitsynSujay Sukumaran
    • G06K9/34
    • H04N1/3873G06K2009/363H04N1/387
    • An image of a scanned book is segmented using a feature image to map pixels corresponding to a page area and to create page objects and detect borders of the page. A book spine region is detected by locating a plain background area between two of the page objects, analyzing the page borders to detect their shape, and analyzing their shape to detect the book spine end points. Using the page borders, the feature image is examined to detect top-to-bottom and bottom-to-top declines in pixel values to determine the corners of a shadow distortion in the original scanned image. Squeeze and curvature distortion are also detected. A Bezier curve is used to model each of the three distortions detected on the page. The detected distortion is corrected by first defining a trapezoidal correction area. The intensity, squeeze, and curvature corrections are then applied along lines within the trapezoidal correction area.
    • 使用特征图像对扫描书的图像进行分割,以对应于页面区域的像素映射并创建页面对象并检测页面的边界。 通过在两个页面对象之间定位一个简单的背景区域,分析页面边框以检测其形状并分析其形状以检测书脊柱端点来检测书脊区域。 使用页面边框,检查特征图像以检测像素值中的从上到下和从底部到顶部的下降,以确定原始扫描图像中阴影失真的角。 也检测到挤压和曲率失真。 贝塞尔曲线用于对页面上检测到的三个失真进行建模。 通过首先定义梯形校正区域来校正检测到的失真。 然后沿着梯形校正区域内的线施加强度,挤压和曲率校正。