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Thermal displacement minimization of an oxide target for bonding process by finite element analysis and optimal design

  • Journal of the Korean Crystal Growth and Crystal Technology
  • Abbr : J. Korean Cryst. Growth Cryst. Technol.
  • 2020, 30(5), pp.208-213
  • DOI : 10.6111/JKCGCT.2020.30.5.208
  • Publisher : The Korea Association Of Crystal Growth, Inc.
  • Research Area : Engineering > Materials Science and Engineering
  • Received : October 5, 2020
  • Accepted : October 14, 2020
  • Published : October 31, 2020

Hanyoung Cha 1 Chan-Yeup Chung 1

1한국세라믹기술원

Accredited

ABSTRACT

In this research, design optimization was investigated using the finite element analysis and the optimal designtechnique based on the PQRSM algorithm to minimize the thermal deformation of IGZO oxide in a target module inwhich IGZO oxide and a copper backplate are bonded to each other. In order to apply the optimal design technique inconjunction with finite element analysis, the x-coordinate of lower supports and upper fixed boards used as designvaluables, and the optimal design was performed to minimize the thermal displacement of IGZO materials as the objectivefunction. After the optimization process, the thermal displacement within IGZO oxide could be reduced to 42 % comparingwith the initial model. The result is thought to be useful in the industry as it can reduce the thermal deformation of targetoxides materials only by changing the position of the subsidiary materials during the bonding process.

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