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author:

Chen, Jianli (Chen, Jianli.) [1] | Huang, Zhipeng (Huang, Zhipeng.) [2] | Zhu, Ziran (Zhu, Ziran.) [3] | Peng, Zheng (Peng, Zheng.) [4] | Zhu, Wenxing (Zhu, Wenxing.) [5] (Scholars:朱文兴) | Chang, Yao-Wen (Chang, Yao-Wen.) [6]

Indexed by:

EI Scopus SCIE

Abstract:

Fogging and proximity effects (FPEs) are two major factors that cause inaccurate exposure and layout pattern distortions in e-beam lithography. In this article, we propose an analytical placement algorithm that considers both FPEs. We formulate the global placement problem as a separable minimization problem with linear constraints, where different objectives can be tackled one by one in an alternating fashion. Then, we propose a novel proximal group alternating direction method of multipliers (ADMM) to solve the separable minimization problem with two subproblems, where the first subproblem (associated with wirelength and density) is solved by the steepest descent method without line search, and the second one (associated with the FPEs) is handled by an analytical scheme. We prove the property of global convergence of the proximal group ADMM method. Finally, the FPEs-aware legalization and detailed placement are employed to legalize and improve the placement result. The experimental results show that our algorithm is effective and efficient for the addressed problem. Our algorithm achieved 5.7% smaller fogging variation, 6.8% lower proximity variation, and 5.4% lower runtime with a minor wirelength overhead compared with the state-of-the-art work.

Keyword:

Alternating direction method analytical placement electron-beam lithography (EBL) fogging effect proximity effect

Community:

  • [ 1 ] [Chen, Jianli]Fudan Univ, State Key Lab ASIC & Syst, Shanghai 200433, Peoples R China
  • [ 2 ] [Chen, Jianli]Fudan Univ, Zhangjiang Fudan Int Innovat Ctr, Shanghai 200433, Peoples R China
  • [ 3 ] [Huang, Zhipeng]Fuzhou Univ, Ctr Discrete Math & Theoret Comp Sci, Fuzhou 350108, Peoples R China
  • [ 4 ] [Zhu, Wenxing]Fuzhou Univ, Ctr Discrete Math & Theoret Comp Sci, Fuzhou 350108, Peoples R China
  • [ 5 ] [Zhu, Ziran]Southeast Univ, Natl ASIC Syst Engn Ctr & Sch Elect Sci & Engn, Nanjing 210096, Peoples R China
  • [ 6 ] [Peng, Zheng]Xiangtan Univ, Hunan Natl Ctr Appl Math, Xiangtan 411105, Peoples R China
  • [ 7 ] [Peng, Zheng]Xiangtan Univ, Sch Math & Computat Sci, Xiangtan 411105, Peoples R China
  • [ 8 ] [Chang, Yao-Wen]Natl Taiwan Univ, Grad Inst Elect Engn, Dept Elect Engn, Taipei 106, Taiwan
  • [ 9 ] [Chang, Yao-Wen]Natl Taiwan Univ, Dept Comp Sci & Informat Engn, Taipei 106, Taiwan

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Source :

IEEE TRANSACTIONS ON COMPUTER-AIDED DESIGN OF INTEGRATED CIRCUITS AND SYSTEMS

ISSN: 0278-0070

Year: 2022

Issue: 12

Volume: 41

Page: 5541-5553

2 . 9

JCR@2022

2 . 7 0 0

JCR@2023

ESI Discipline: ENGINEERING;

ESI HC Threshold:66

JCR Journal Grade:2

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count: 3

SCOPUS Cited Count: 1

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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