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Open Access Publications from the University of California

Exploration of thermolithography for micro- and nanomanufacturing

  • Author(s): Hung, M T
  • Kim, J
  • Ju, Y. Sungtaek
  • et al.

Lithography is a critical enabling technology for manufacturing micro- and nanoscale devices and structures. The present work explores alternative lithography techniques that pattern photoresist layers through selective thermochemical cross-linking. Microfabricated thin-film heaters are used as precisely defined heat sources to determine the thermal transport properties of photoresist layers and study the kinetics of cross-linking reactions. The present work identifies heating temperature, heating duration,and UV exposure dose as independent control parameters in thermolithography and demonstrates its potential for three-dimensional micro- and nanomanufacturing.

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