Heat-depolymerizable polycarbonates as electron beam patternable sacrificial layers for nanofluidics

C. K. Harnett, G. W. Coates, H. G. Craighead

Research output: Contribution to journalArticlepeer-review

79 Scopus citations


Fluidic structures were fabricated by exposing a heat-depolymerizable polycarbonate directly with an electron beam and using it as a sacrificial layer. Structures were capped by sputtered oxide deposited below 250°C. A substrate with silicon nitride membranes was developed to provide a very smooth surface for processing the 140 nm HDP layer, and to allow venting and fluid ports to be opened under the fluidic structures near the end of the process. Tubes and two-dimensional column structures were fabricated by baking the temporary HDP support out from under the column layer.

Original languageEnglish (US)
Pages (from-to)2842-2845
Number of pages4
JournalJournal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures
Issue number6
StatePublished - Nov 2001

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Electrical and Electronic Engineering


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