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Xinchun Lu

Tsinghua University

Beijing, 100084

China

SCHOLARLY PAPERS

15

DOWNLOADS

923

TOTAL CITATIONS

1

Scholarly Papers (15)

1.

Mechanism Analyses of Megasonic and Brush on Post Si Cmp Cleaning Process

Number of pages: 13 Posted: 25 Feb 2022
Tsinghua University, Tsinghua University, Tsinghua University, Tsinghua University and Tsinghua University
Downloads 130 (558,171)

Abstract:

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Post CMP cleaning, Megasonic, PVA brush, Ultraclean surface

2.

Process Control in Semiconductor Manufacturing Based on Deep Distributional Soft Actor–Critic Reinforcement Learning

Number of pages: 41 Posted: 03 Jul 2024
Bangxu Liu, Dewen Zhao, Xinchun Lu and Yuhong Liu
affiliation not provided to SSRN, Tsinghua University, Tsinghua University and Tsinghua University
Downloads 110 (640,165)

Abstract:

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Keywords: Chemical mechanical planarization, Advanced process control, Distributional reinforcement learning, Soft actor-critic reinforcement learning

3.

Run-to-Run Control of a Multizone Chemical Mechanical Planarization Process Based on Distributional Soft Actor–Critic Reinforcement Learning

Number of pages: 40 Posted: 02 Sep 2024
Bangxu Liu, Dewen Zhao, Xinchun Lu and Yuhong Liu
affiliation not provided to SSRN, Tsinghua University, Tsinghua University and Tsinghua University
Downloads 103 (674,591)
Citation 1

Abstract:

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Chemical mechanical planarization, Advanced process control, Distributional reinforcement learning, Virtual Metrology;Soft actor-critic reinforcement learning

4.

Study on Groove Structure Design and Flow Field Characteristics of CMP Polishing Pad Based on Multi-Scale Simulation

Number of pages: 32 Posted: 17 Oct 2025
Lifei Zhang, Nanhao Zhao, Hui Ci and Xinchun Lu
Tsinghua University, affiliation not provided to SSRN, affiliation not provided to SSRN and Tsinghua University
Downloads 93 (725,554)

Abstract:

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Chemical mechanical polishing, Numerical analysis, polishing pad, Mixed lubrication

5.

Non-Contact Post-Cmp Megasonic Cleaning of Cobalt Wafers

Number of pages: 16 Posted: 04 Nov 2022
Lifei Zhang, Xinchun Lu and Ahmed A. Busnaina
Tsinghua University, Tsinghua University and Northeastern University (USA)
Downloads 84 (777,583)

Abstract:

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Cobalt Wafers, Post-CMP Megasonic Cleaning, Nanoparticle Removal Mechanisms, Interactive Effects

6.

Effect of Ionic Surfactants in Ceria-Based Slurries on Shallow Trench Isolation Chemical Mechanical Polishing

Number of pages: 26 Posted: 02 Mar 2023
Lifei Zhang, Lile Xie and Xinchun Lu
Tsinghua University, Tsinghua University and Tsinghua University
Downloads 78 (816,709)

Abstract:

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Keywords: Chemical Mechanical Polishing, Shallow Trench Isolation, Ceria-based Slurries, Ionic Surfactants.

7.

Research on Polishing Mechanisms of Various Surfactants in Chemical Mechanical Polishing Relevant to Cobalt Interconnects

Number of pages: 20 Posted: 03 Feb 2023
Tsinghua University, Tsinghua University, Tsinghua University and Tsinghua University
Downloads 76 (830,555)

Abstract:

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Cobalt Interconnects, Chemical Mechanical Polishing, Heterogeneous Materials, Various Surfactants, Polishing Mechanisms.

8.

The Role of Diethanolamine on Chemical Mechanical Polishing in Alkaline Glycine-Based Slurries for Cobalt Interconnects

Number of pages: 20 Posted: 02 Dec 2022
Tsinghua University, Tsinghua University, Tsinghua University and Tsinghua University
Downloads 45 (1,121,190)

Abstract:

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Cobalt Interconnects, Chemical Mechanical Polishing, Diethanolamine, Auxiliary Complexing Agent, Corrosion Inhibitor

9.

Particle removal behavior of composite surfactants during the post-CMP cleaning process for Co-patterned wafers

Number of pages: 21 Posted: 08 Dec 2025
Lifei Zhang, Mei Yan and Xinchun Lu
Tsinghua University, Tsinghua University and Tsinghua University
Downloads 42 (1,157,785)

Abstract:

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Cobalt, Post-CMP cleaning, Composite surfactant, Particle removal mechanism, Quantum chemical calculation

10.

Exploring the Cleaning Performance of Compound Surfactants in Post-Cmp Cleaning for Co Interconnects

Number of pages: 24 Posted: 26 Sep 2024
Lifei Zhang, Mei Yan and Xinchun Lu
Tsinghua University, Tsinghua University and Tsinghua University
Downloads 38 (1,209,354)

Abstract:

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Cobalt, post-CMP cleaning, Composite surfactant, Particle removal mechanism, Quantum chemical calculation

11.

Mechanisms of Multiple Functional Groups in Post-Cmp Cleaning Solutions for Co Interconnects

Number of pages: 21 Posted: 05 Sep 2024
Lifei Zhang, Mei Yan and Xinchun Lu
Tsinghua University, Tsinghua University and Tsinghua University
Downloads 32 (1,290,922)

Abstract:

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Cobalt interconnects, Post-CMP cleaning, Functional groups, Particle removal, Cleaning mechanisms

Effect of film thickness on solution-processed Al2O3 high-k dielectric properties and TFT performance ​

Number of pages: 26 Posted: 06 May 2026
Tsinghua University, Tsinghua University, Tsinghua University, Tsinghua University, Tsinghua University, Tsinghua University and Tsinghua University
Downloads 16 (1,559,710)

Abstract:

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thin film transistor, dielectric thickness, solution-based process, spin-coating, surface energy-directed assembly

Effect of film thickness on solution-processed Al2O3 high-k dielectric properties and TFT performance ​

Number of pages: 26 Posted: 04 May 2026
Tsinghua University, Tsinghua University, Tsinghua University, Tsinghua University, Tsinghua University, Tsinghua University and Tsinghua University
Downloads 13 (1,579,999)

Abstract:

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thin film transistor, dielectric thickness, solution-based process, spin-coating, surface energy-directed assembly

13.
Downloads 24 (1,399,036)

Abstract:

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Cobalt interconnects, Chemical mechanical polishing, Patterned wafer, Pattern line width/spacing/density.

14.

Exploring the Mechanisms of Compound Surfactants in Post Cmp Cleaning Process for Co Interconnects

Number of pages: 22 Posted: 13 May 2025
Lifei Zhang, Xinchun Lu, Dewen Zhao and Mei Yan
Tsinghua University, Tsinghua University, Tsinghua University and Tsinghua University
Downloads 21 (1,436,435)

Abstract:

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Cobalt, Post CMP cleaning, Composite surfactant, Particle removal mechanism, Quantum chemical calculation

15.

Effects of Process Parameters and Pattern Densities on the Performance of Two-Step Chemical Mechanical Polishing for Cobalt Interconnects

Number of pages: 17 Posted: 21 Aug 2024
Lifei Zhang and Xinchun Lu
Tsinghua University and Tsinghua University
Downloads 18 (1,470,786)

Abstract:

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Cobalt interconnects, Chemical mechanical polishing, Patterned wafer, Pattern line width/spacing/density