Worcester Polytechnic Institute Electronic Theses and Dissertations Collection

Title page for ETD etd-010407-173332


Document Typethesis
Author NameKlempner, Adam R.
URNetd-010407-173332
TitleDevelopment of a modular interferometric microscopy system for characterization of MEMS
DegreeMS
DepartmentMechanical Engineering
Advisors
  • Prof. Ryszard J. Pryputniewicz, Advisor
  • Prof. Nancy A. Burnham, Committee Member
  • Dr. Thomas F. Marinis, Committee Member
  • Prof. Yimming Rong, Graduate Committee Rep
  • Prof. John M. Sullivan, Committee Member
  • Keywords
  • vacuum
  • shape and deformation measurement
  • MEMS
  • vibrometry
  • scanning white light
  • Interferometry
  • thermal
  • vibration
  • Date of Presentation/Defense2007-01-04
    Availability unrestricted

    Abstract

    One of the key measurement devices used in characterization of microelectromechanical systems (MEMS) is the interferometric microscope. This device allows remote, noninvasive measurements of the surface shape and deformations of MEMS in full-field-of-view with high spatial resolution and nanometer accuracy in near real-time. As MEMS are becoming more prevalent in the areas of consumer products and national defense, the demand for a versatile and easy to use characterization system is very high. This Thesis describes the design, implementation, and use of an interferometric system that is based on modular components which allow for many loading and measurement capabilities, depending on a specific application. The system has modules for subjecting MEMS to vacuum and dry gas environments, mechanical vibration excitation, thermal loads (both heating and cooling), and electrical loads. Three interferometric measurement modules can be interchanged to spatially measure shape and deformation of micro- and/or meso-scale objects, and temporally measure vibrations of these objects. Representative examples of the measurement and loading capabilities of the system are demonstrated with microcantilevers and a microgyroscope.

    Files
  • Klempner.pdf

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