Self-assembly of flat micro components by capillary forces and shape recognition

J. Fang, S. Liang, Kerwin Wang, X. Xiong, K. F. Böhringer

Research output: Contribution to conferencePaper

6 Citations (Scopus)

Abstract

This paper summarizes our recent reports on self-assembly of flat micro components based on two major mechanisms: capillary-driven self-assembly and feature-directed self-assembly. The capillary-driven self-assembly is demonstrated in both a liquid environment and an air environment, and high accuracy self-alignment is achieved due to interfacial energy minimization. Working devices such as Light Emitting Diode (LED) and PZT components are successfully assembled by the capillary-driven self-assembly processes. The feature-directed self-assembly relies on complementary features on micro components and receptor sites, thereby has no constraint on component shapes. Two different feature-directed and uniquely orienting self-assembly processes are demonstrated: one is a semi dry process based on gravity-driven self-alignment, and the other is a completely dry process based on two-stage shape recognition. The feature-directed and uniquely orienting self-assembly processes can be applied to either wafer level packaging of micro devices or part feeding and palletizing for robotic assembly systems.

Original languageEnglish
Pages60-73
Number of pages14
Publication statusPublished - 2005 Dec 1
Event2nd Conference on Foundations of Nanoscience: Self-Assembled Architectures and Devices, FNANO 2005 - Snowbird, UT, United States
Duration: 2005 Apr 242005 Apr 28

Other

Other2nd Conference on Foundations of Nanoscience: Self-Assembled Architectures and Devices, FNANO 2005
CountryUnited States
CitySnowbird, UT
Period05-04-2405-04-28

Fingerprint

Self assembly
Robotic assembly
Interfacial energy
Light emitting diodes
Packaging
Gravitation
Liquids
Air

All Science Journal Classification (ASJC) codes

  • Hardware and Architecture
  • Electrical and Electronic Engineering

Cite this

Fang, J., Liang, S., Wang, K., Xiong, X., & Böhringer, K. F. (2005). Self-assembly of flat micro components by capillary forces and shape recognition. 60-73. Paper presented at 2nd Conference on Foundations of Nanoscience: Self-Assembled Architectures and Devices, FNANO 2005, Snowbird, UT, United States.
Fang, J. ; Liang, S. ; Wang, Kerwin ; Xiong, X. ; Böhringer, K. F. / Self-assembly of flat micro components by capillary forces and shape recognition. Paper presented at 2nd Conference on Foundations of Nanoscience: Self-Assembled Architectures and Devices, FNANO 2005, Snowbird, UT, United States.14 p.
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Fang, J, Liang, S, Wang, K, Xiong, X & Böhringer, KF 2005, 'Self-assembly of flat micro components by capillary forces and shape recognition', Paper presented at 2nd Conference on Foundations of Nanoscience: Self-Assembled Architectures and Devices, FNANO 2005, Snowbird, UT, United States, 05-04-24 - 05-04-28 pp. 60-73.

Self-assembly of flat micro components by capillary forces and shape recognition. / Fang, J.; Liang, S.; Wang, Kerwin; Xiong, X.; Böhringer, K. F.

2005. 60-73 Paper presented at 2nd Conference on Foundations of Nanoscience: Self-Assembled Architectures and Devices, FNANO 2005, Snowbird, UT, United States.

Research output: Contribution to conferencePaper

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Fang J, Liang S, Wang K, Xiong X, Böhringer KF. Self-assembly of flat micro components by capillary forces and shape recognition. 2005. Paper presented at 2nd Conference on Foundations of Nanoscience: Self-Assembled Architectures and Devices, FNANO 2005, Snowbird, UT, United States.