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    • 3. 发明申请
    • METHOD OF MAKING AN INTEGRATED CIRCUIT BY MODIFYING A DESIGN LAYOUT
    • 通过修改设计布局制作集成电路的方法
    • WO2006096232A3
    • 2009-04-16
    • PCT/US2006000612
    • 2006-01-10
    • FREESCALE SEMICONDUCTOR INCLUCAS KEVIN DBOONE ROBERT EPATTERSON KYLE W
    • LUCAS KEVIN DBOONE ROBERT EPATTERSON KYLE W
    • G06F17/50
    • G03F7/70441G03F7/70941
    • An original layout of an integrated circuit is modified using optical proximity correction (OPC) to obtain a second layout. During OPC, a sensitivity to flare for each feature is conveniently identified (2). To map (4) the flare, the amplitude of intensity is mapped over a field of exposure, which is typically a rectangle-shaped area corresponding to an exposure of a stepper. The field of exposure is divided into regions in which a region is characterized as having substantially the same amplitude throughout. For each feature a decision (14) is made whether to make a further correction or not. If correction is desired, the amount of correction is based in part on the region in which the feature is located and the sensitivity of the feature. This same approach is applicable to other properties than flare that vary based on the location within the field of exposure.
    • 使用光学邻近校正(OPC)修改集成电路的原始布局以获得第二布局。 在OPC期间,方便地识别每个特征对闪光的敏感度(2)。 为了映射(4)耀斑,强度的幅度被映射在曝光场上,该场通常是对应于步进曝光的矩形区域。 曝光领域被划分为其中区域被表征为具有基本上相同振幅的区域。 对于每个特征,做出是否进一步校正的决定(14)。 如果需要校正,校正量部分地基于特征所在的区域和特征的灵敏度。 这种相同的方法适用于根据暴露领域内的位置而变化的其他特性。