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Design of micro-gripper in wire bond based on piezoelectric material

  • Zhili Long*
  • , Mouyang Liu
  • , Jianguo Zhang
  • *Corresponding author for this work
  • Harbin Institute of Technology Shenzhen
  • Huazhong University of Science and Technology

Research output: Contribution to journalArticlepeer-review

Abstract

Micro-gripper is a key component in IC/LED wire bonder. A nonnative gripper combined with piezoelectric material and flexible structure is presented in this paper. The vibration modal and static characteristics of this gripper are calculated by finite element method. The natural frequency and vibration modal of the system; and the open amplitude of this gripper are attained. In the experiment, the high-speed camera is used to track the vibration of the gripper, and the relationship between the open amplitude and the driven voltage is attained. The vibration behavior is collected by a non-contact laser to verify the FEM calculations. These results can help to the application of this gripper used in wire bond.

Original languageEnglish
Pages (from-to)853-856
Number of pages4
JournalYadian Yu Shengguang/Piezoelectrics and Acoustooptics
Volume34
Issue number6
StatePublished - Dec 2012
Externally publishedYes

Keywords

  • Flexible structure
  • Micro-gripper
  • Piezoelectric smart material
  • Wire bonding

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