Micromechanical testing of SU-8 cantilevers

M. Hopcroft, T. Kramer, G. Kim, K. Takashima, Y. Higo, D. Moore, Juergen Brugger

Research output: Contribution to journalArticlepeer-review

96 Scopus citations

Abstract

SU-8 is a photoplastic polymer with a wide range possible applications in microtechnology. Cantilevers designed for atomic force microscopes were fabricated in SU-8. The mechanical properties of these cantilevers were investigated using two microscale testing techniques: contact surface profilometer beam deflection and static load deflection at a point on the beam using a specially designed test machine. The SU-8 Young's modulus value from the microscale test methods is approximately 2-3 GPa.

Original languageEnglish
Pages (from-to)735-742
Number of pages8
JournalFatigue and Fracture of Engineering Materials and Structures
Volume28
Issue number8
DOIs
StatePublished - Aug 2005

Keywords

  • AFM cantilevers
  • Microscale mechanical test
  • SU-8
  • Surface profliometer
  • Young's modulus

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