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    • 41. 发明授权
    • Semiconductor device for reducing photovolatic current
    • 用于降低光伏电流的半导体器件
    • US07238579B2
    • 2007-07-03
    • US11003279
    • 2004-12-03
    • Bradley P. SmithEdward O. Travis
    • Bradley P. SmithEdward O. Travis
    • H01L21/8236
    • H01L23/552H01L2924/0002Y02P80/30H01L2924/00
    • A semiconductor device that has a common border between P and N wells is susceptible to photovoltaic current that is believed to be primarily generated from photons that strike this common border. Photons that strike the border are believed to create electron/hole pairs that separate when created at the PN junction of the border. The photovoltaic current can have a sufficient current density to be destructive to the metal connections to a well if the area of these metal connections to the well is small relative to the length of the border. This photovoltaic current can be reduced below destructive levels by covering the common border sufficiently to reduce the number of photons hitting the common border. The surface area of the connections can also be increased to alleviate the problem.
    • 在P和N阱之间具有共同边界的半导体器件易于被认为主要由撞击该共同边界的光子产生的光电流。 据认为,在边界PN结处产生的电子/空穴对被分离出来。 如果与井的这些金属连接的面积相对于边界的长度小,则光电流可以具有足够的电流密度来破坏与阱的金属连接。 通过充分覆盖公共边界以减少击中共同边界的光子的数量,该光电流可以降低到破坏性水平以下。 连接的表面积也可以增加以减轻问题。
    • 44. 发明授权
    • Mismatch verification device and methods thereof
    • 不匹配验证装置及其方法
    • US08856705B2
    • 2014-10-07
    • US13466642
    • 2012-05-08
    • Mehul D. ShroffSanjay R. PariharEdward O. Travis
    • Mehul D. ShroffSanjay R. PariharEdward O. Travis
    • G06F17/50
    • G06F17/5068
    • A method can include identifying a device design comprising first and second instantiations of a device, identifying a layer of the device design, identifying a first region of the device design for the first instantiation based on the layer of the first instantiation, and a second region of the device design for the second instantiation based on the layer of the second instantiation. identifying a first compare layer of the device design that comprises a plurality of first compare features including a first compared feature within the first region and a second compared feature within the second region, determining a difference between the first compared feature and the second compared feature, and determining if the difference meets a tolerance to determine if the first instantiation matches the second instantiation.
    • 方法可以包括识别包括设备的第一和第二实例化的设备设计,识别设备设计的层,基于第一实例的层识别第一实例化的设备设计的第一区域,以及第二区域 基于第二实例化层的第二实例化设备设计。 识别所述设备设计的第一比较层,其包括多个第一比较特征,所述第一比较特征包括所述第一区域内的第一比较特征和所述第二区域内的第二比较特征,确定所述第一比较特征与所述第二比较特征之间的差, 以及确定所述差是否满足公差以确定所述第一实例是否与所述第二实例化匹配。
    • 47. 发明授权
    • Method for forming an electrical connection between metal layers
    • 在金属层之间形成电连接的方法
    • US08640072B1
    • 2014-01-28
    • US13562538
    • 2012-07-31
    • Douglas M. ReberMehul D. ShroffEdward O. Travis
    • Douglas M. ReberMehul D. ShroffEdward O. Travis
    • G06F17/50H01L21/4763H01L29/40
    • H01L21/76877G06F17/5077H01L21/4763H01L21/76816H01L23/5226H01L29/401H01L2924/0002H01L2924/00
    • A method includes forming a connection between a first metal layer and a second metal layer. The second metal layer is over the first metal layer. A via location for a first via between the first metal layer and the second metal layer is identified. Additional locations for first additional vias are determined. The first additional vias are determined to be necessary for stress migration issues. Additional locations necessary for second additional vias are determined. The second additional vias are determined to be necessary for electromigration issues. The first via and the one of the group consisting of (i) the first additional vias and second additional vias (ii) the first additional vias plus a number of vias sufficient for electromigration issues taking into account that the first additional vias, after taking into account the stress migration issues, still have an effective via number greater than zero.
    • 一种方法包括在第一金属层和第二金属层之间形成连接。 第二金属层在第一金属层之上。 识别用于第一金属层和第二金属层之间的第一通孔的通孔位置。 确定第一个额外通孔的附加位置。 第一个额外的通孔被确定为压力迁移问题所必需的。 确定第二个额外通孔所需的附加位置。 第二个额外的通孔被确定为电迁移问题所必需的。 第一个通路和一个组(i)第一个额外的通孔和第二个额外的通孔(ii)第一个额外的通孔加上一些足够电迁移问题的通孔,考虑到第一个额外的通孔, 考虑到压力迁移问题,仍然有效通过数字大于零。