Fast inverse lithography based on a model-driven block stacking convolutional neural network

• URL: http://arxiv.org/abs/2412.14599v1
• Date: Thu, 19 Dec 2024 07:42:07 GMT
• Title: Fast inverse lithography based on a model-driven block stacking convolutional neural network
• Authors: Ruixiang Chen, Yang Zhao, Haoqin Li, Rui Chen,
• Abstract summary: This paper presents a novel inverse lithographic approach to Optical Proximity Correction (OPC) It employs a model-driven, block stacking deep learning framework that expedites the generation of masks conducive to manufacturing. Numerical experiments have substantiated the efficacy of the proposed end-to-end approach.
• Score: 10.170465557304897
• License:
• Abstract: In the realm of lithography, Optical Proximity Correction (OPC) is a crucial resolution enhancement technique that optimizes the transmission function of photomasks on a pixel-based to effectively counter Optical Proximity Effects (OPE). However, conventional pixel-based OPC methods often generate patterns that pose manufacturing challenges, thereby leading to the increased cost in practical scenarios. This paper presents a novel inverse lithographic approach to OPC, employing a model-driven, block stacking deep learning framework that expedites the generation of masks conducive to manufacturing. This method is founded on vector lithography modelling and streamlines the training process by eliminating the requirement for extensive labeled datasets. Furthermore, diversity of mask patterns is enhanced by employing a wave function collapse algorithm, which facilitates the random generation of a multitude of target patterns, therefore significantly expanding the range of mask paradigm. Numerical experiments have substantiated the efficacy of the proposed end-to-end approach, highlighting its superior capability to manage mask complexity within the context of advanced OPC lithography. This advancement is anticipated to enhance the feasibility and economic viability of OPC technology within actual manufacturing environments.

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