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Data-Driven Approaches for Process Simulation and Optical Proximity Correction

Published: 31 January 2023 Publication History

Abstract

With continuous shrinking of process nodes, semiconductor manufacturing encounters more and more serious inconsistency between designed layout patterns and resulted wafer images. Conventionally, examining how a layout pattern can deviate from its original after complicated process steps, such as optical lithography and subsequent etching, relies on computationally expensive process simulation, which suffers from incredibly long runtime for large-scale circuit layouts, especially in advanced nodes. In addition, being one of the most important and commonly adopted resolution enhancement techniques, optical proximity correction (OPC) corrects image errors due to process effects by moving segment edges or adding extra polygons to mask patterns, while it is generally driven by simulation or time-consuming inverse lithography techniques (ILTs) to achieve acceptable accuracy. As a result, more and more state-of-the-art works on process simulation or/and OPC resort to the fast inference characteristic of machine/deep learning. This paper reviews these data-driven approaches to highlight the challenges in various aspects, explore preliminary solutions, and reveal possible future directions to push forward the frontiers of the research in design for manufacturability.

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Cited By

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  • (2024)EMOGen: Enhancing Mask Optimization via Pattern GenerationProceedings of the 61st ACM/IEEE Design Automation Conference10.1145/3649329.3655680(1-6)Online publication date: 23-Jun-2024

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      cover image ACM Conferences
      ASPDAC '23: Proceedings of the 28th Asia and South Pacific Design Automation Conference
      January 2023
      807 pages
      ISBN:9781450397834
      DOI:10.1145/3566097
      Permission to make digital or hard copies of part or all of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for third-party components of this work must be honored. For all other uses, contact the Owner/Author.

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      Published: 31 January 2023

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      • (2024)EMOGen: Enhancing Mask Optimization via Pattern GenerationProceedings of the 61st ACM/IEEE Design Automation Conference10.1145/3649329.3655680(1-6)Online publication date: 23-Jun-2024

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