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    • 2. 发明授权
    • Correcting the polygon feature pattern with an optical proximity correction method
    • 用光学邻近校正方法校正多边形特征图案
    • US06767679B2
    • 2004-07-27
    • US10037132
    • 2002-01-02
    • Chang-Jyh HsiehJiunn-Ren HwangJui-Tsen Huang
    • Chang-Jyh HsiehJiunn-Ren HwangJui-Tsen Huang
    • G03F900
    • G03F1/78G03F1/36G03F1/68Y10S430/143
    • The present invention is provided a method to use a pattern section without extra serif to correct the polygon feature pattern with at least one inner corner. Such that the polygon feature pattern with at least one inner corner can achieve effectively OPC (optical proximity correction) without adding any extra data point. Therefore, the present invention can instead of the conventional serif and achieves the effective OPC. In addition, the mask writing time is also improved since the original feature pattern is divided into a few rectangular-shaped mask writing units or trapeze-shaped mask writing units for regular mask writing, and the inner corner is/are not in the middle of each divided mask writing units. The mask inspection is also simplified and easier to calibration since a simple geometry other than complex serif is used.
    • 本发明提供了一种使用没有额外内衬的图案部分来校正具有至少一个内角的多边形特征图案的方法。 使得具有至少一个内角的多边形特征图案可以有效地实现OPC(光学邻近校正),而不增加任何额外的数据点。 因此,本发明可以代替常规的衬线并实现有效的OPC。 此外,由于原始特征图案被分成几个矩形掩模写入单元或用于规则掩模写入的四叶形掩模写入单元,并且内角不在中间 每个划分面具书写单位。 掩模检查也被简化并且更容易校准,因为使用除了复杂衬线之外的简单几何形状。