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Exposure characteristics and three-dimensional profiling of SU8C resist using electron beam lithography

  • W. H. Wong*
  • , E. Y.B. Pun
  • *Corresponding author for this work
  • City University of Hong Kong

Research output: Contribution to journalConference articlepeer-review

Abstract

Three-dimensional profiling and exposure characteristics of SU8C resist were evaluated using electron beam lithography. Experimental results showed the sensitivity of SU8C to be one of the highest and its suitability for large area exposure. A near-unity contrast curve was obtained which was useful for multilevel profiling by varying the postexposure bake time (PEB). An array of Fresnel lenses was demonstrated and designed to demonstrate the suitability of SU8C resist in microscale devices.

Original languageEnglish
Pages (from-to)732-735
Number of pages4
JournalJournal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures
Volume19
Issue number3
DOIs
StatePublished - May 2001
Externally publishedYes
Event13th International Vaccum Microelectronics Conference - Guangzhou, China
Duration: 14 Aug 200017 Aug 2000

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