Modeling of chemical mechanical polishing processes by cellular automata and finite element/matlab integration methods

Kuo-Shen Chen, Shang Lun Wu, Hsiu Ming Yeh

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

In this work, novel chemical-mechanical polishing modeling schemes for addressing the mechanical aspect in both wafer and device levels are analyzed and realized. The cellular automata method, based on Preston equation or other equivalent material removing relations and contact mechanics, are used for analyzing the wafer level material removing rate. On the other hand, a finite element and Matlab integration scheme is also developed, primarily for addressing the structural integrity of interconnected structures after polishing. These methods are validated by comparing the previous reported analysis and experimental data. Finally, these schemes are used for parametric studies for guiding process optimization.

Original languageEnglish
Pages (from-to)1879-1892
Number of pages14
JournalMicrosystem Technologies
Volume21
Issue number9
DOIs
Publication statusPublished - 2015 Sep 21

Fingerprint

Chemical mechanical polishing
cellular automata
Cellular automata
polishing
wafers
Structural integrity
Polishing
integrity
Mechanics
optimization

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Hardware and Architecture
  • Electrical and Electronic Engineering

Cite this

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abstract = "In this work, novel chemical-mechanical polishing modeling schemes for addressing the mechanical aspect in both wafer and device levels are analyzed and realized. The cellular automata method, based on Preston equation or other equivalent material removing relations and contact mechanics, are used for analyzing the wafer level material removing rate. On the other hand, a finite element and Matlab integration scheme is also developed, primarily for addressing the structural integrity of interconnected structures after polishing. These methods are validated by comparing the previous reported analysis and experimental data. Finally, these schemes are used for parametric studies for guiding process optimization.",
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Modeling of chemical mechanical polishing processes by cellular automata and finite element/matlab integration methods. / Chen, Kuo-Shen; Wu, Shang Lun; Yeh, Hsiu Ming.

In: Microsystem Technologies, Vol. 21, No. 9, 21.09.2015, p. 1879-1892.

Research output: Contribution to journalArticle

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