OPC (optical proximity correction) modeling method controlling false alarm rate of auxiliary graph signal
A technology for auxiliary graphics and modeling methods, which is applied in the field of semiconductor integrated circuit manufacturing and optical proximity effect correction, can solve problems such as wasting computing time and wrong judgments, and achieve the effect of improving work efficiency and saving computing resources
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[0025] Attached below Figure 2-5 Specific embodiments of the present invention will be described in detail. It should be understood that the present invention can have various changes in different examples, which do not depart from the scope of the present invention, and the descriptions and illustrations therein are essentially used for description, rather than limiting the present invention.
[0026] See figure 2 , figure 2 It is a schematic flow chart of a modeling method for controlling the false alarm rate of OPC auxiliary graphics signals according to the present invention, which includes the following steps:
[0027] Step S1: Design the main test pattern; among them, the main test pattern usually contains one-dimensional and two-dimensional standard graphics, and design multiple sets of auxiliary graphics to be added around the standard one-dimensional and two-dimensional graphics to comprehensively collect the lithography process in various Distortion behavior under gra...
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