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Methods for fabricating integrated circuits including generating e-beam patterns for directed self-assembly
Methods for fabricating integrated circuits including generating e-beam patterns for directed self-assembly
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机译:制造集成电路的方法,包括产生用于定向自组装的电子束图案
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摘要
Methods for fabricating integrated circuits are provided. In one example, a method for fabricating an integrated circuit includes generating an e-beam pattern for forming a DSA directing pattern on a semiconductor substrate. The DSA directing pattern is configured to guide a self-assembly material deposited thereon that undergoes directed self-assembly (DSA) to form a DSA pattern. Generating the e-beam pattern includes using a computing system, inputting a DSA target pattern. Using the computing system, the DSA target pattern, a DSA model, and an EBPC model, an output EBPCed pattern is produced for an e-beam writer to write on a resist layer that overlies the semiconductor substrate.
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