Parylene Coating Service

CMC provides access to parylene coating service through Advanced Coating. A thin film of parylene-c polymer can be conformally coated onto various devices, substrates, and circuit boards to provide protection against certain harsh environment conditions or to improve biocompatibility.
Zoom in view of concentric righ electrodes with arrows pointing to the selective parylene-c coating on the outsides

A parylene coated neuro-electrode array device for the intra-oral electrotherapy application. Service provided by CMC through partnership with Advanced Coating. Picture courtesy of Prof. Miodrag Bolic at University of Ottawa and NorDocs Technologies.


  • Conformal coating is applied by a vapour phase deposition process
  • Thickness ranges from a few micrometres to tens of micrometres
  • Coating works better on a textured surface than a highly polished surface
  • Selective coating is available subject to device dimensions
  • Parylene is well accepted in medical device industry due to its good biocompatibility and low cytotoxicity


  • Protection of microsystem components or circuit boards against moisture, chemical corrosion, and dielectric breakdown
  • Biocompatible coating of CMOS/MEMS bio- or chemosensors and Please contact pricing@cmc.ca for a quote. other biomedical devices


Contact pricing@cmc.ca for a quote.

Access and Support

For engineering support questions and to request access, contact fab@cmc.ca.

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CMC Planned Service Disruption

Thursday, August 6
8 am to 9 am EDT

CMC is making improvements to infrastructure that will potentially affect connectivity to CMC managed license servers.

We apologize for the inconvenience this may cause.