研究生: |
林辰安 Lin, Chen-An |
---|---|
論文名稱: |
經由曝光形變偵測潛在之高風險設計區域 Potential Weak Layout Patterns Detection via Lithographic Deformation |
指導教授: |
林嘉文
Lin, Chia-Wen 邵皓強 Shao, Hao-Chiang |
口試委員: |
方劭云
Fang, Shao-Yun 陳聿廣 Chen, Yu-Guang |
學位類別: |
碩士 Master |
系所名稱: |
電機資訊學院 - 電機工程學系 Department of Electrical Engineering |
論文出版年: | 2023 |
畢業學年度: | 111 |
語文別: | 英文 |
論文頁數: | 36 |
中文關鍵詞: | 熱點偵測 、曝光成像模擬 、曝光形變圖 |
外文關鍵詞: | Hotspot Detection, Lithography Simulation, Deformation Map |
相關次數: | 點閱:2 下載:0 |
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隨著半導體快速的發展,熱點偵測被視為非常重要且有挑戰性的任務。在最近幾年,使用深度學習的方法成功地得到了不錯的效果。然而,大部分的作法都太專注於給定的訓練資料,導致偵測的效果單一,只能應用於競賽之中。本篇提出了新的熱點偵測方法,不同於以往的訓練模式,我們使用光刻模型來得到曝光過後的形變圖,藉此找出熱點發生的成因,得到一個泛用性更高的模型,在實際的應用上更加精準。我們也針對了目前的曝光模擬技術加以改良,提出更可靠的模型,使得整體預測結果更加完美且穩定。透過產生的形變資訊,我們的模型有能力去找出發生熱點的特徵與正常電路的不同,就可以偵測出更多潛在的瑕疵設計,而不是只會找出原先給定的熱點。後續一連串的實驗結果也證明了我們架構的可行性與優點,比較了跟以往熱點偵測模型的不同。
With the rapid advancement of semiconductors, hotspot detection is regarded as a challenging and crucial task in the design flow. Deep learning-based methods have been implemented in recent years, and great success has been achieved. Nonetheless, most works can only detect the corresponding hotspots in the given training pairs. In this paper, we first propose a novel detection method where a lithography simulator and hotspot detection are implemented simultaneously. First of all, we improve the current lithography simulator model to make the overall prediction results perfect and stable. Based on the deformation map from our model, it is capable of finding what causes the hotspots and detecting potential problematic weak patterns. We focus on variations in energy levels instead of given hotspots like in previous works. A series of experiments demonstrate that our framework carries out more advantages indeed.
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