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Parylene Deposition

Tool for depositing conformal parylene films (Rm 228)

Parylene Tool
Manager: Beth Rhoades
Backup: Christopher Alpha

Description:

Model PDS 2010 LABCOTER deposition system is the first portable system designed for deposition of protective Parylene conformal coating. This unit is suitable for laboratory research applications, circuit board repairs, electronic sensors, medical components, organic samples, and many other substrates.

The deposition process begins with the granular form of Parylene, raw material Dimer, the material is vaporized under vacuum and heated to a dimeric gas. The gas is then pyrolized to cleave the dimer to its monomeric form. In the room temperature deposition chamber, the monomer gas deposits as a transparent polymer film. The required thickness of a coating can vary based on the application, but thickness can range from the hundreds of angstroms to several microns.

Capabilities:

Good to excellent adhesion of Parylene to a wide variety of substrates can be achieved by the simple treatment with a dilute solution of an organic silane prior to Parylene coating. Parylene exhibits very little absorption in the visible region and is, therefore, transparent and colorless. Below about 280 nm both Parylene N and C absorb strongly. The Parylenes resist room temperature chemical attack and are insoluble in all organic solvents up to 150° C. Furthermore, chemical resistance and moisture vapor permeability rates for Parylene C are superior to almost all polymeric materials.


Additional Resources:

Quick Start Instructions


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