Advances in Conformal Coatings: Enhancing the Reliability of Innovative Technologies

Duration: 1 hour

Conformal coatings have been used in the medical device, electronics, automotive, military and aerospace industries for many years for a variety of surface modification purposes, including:  

• Isolate/protect device surfaces from the environments to be encountered
• Provide thermal and electrical insulation - selectively or overall
• Improve lubricity… or conversely, reduce tackiness
• Stabilize/consolidate surfaces by micro-particle immobilization
• Reduce/eliminate surface micro-porosity to control the entrapment of contaminants
• Function as a primer/tielayer for subsequent coatings
• Stabilize very delicate micro structures
• Function as an interface that is non-inhibitory to tissue growth

As devices and components become smaller and increasingly complex, they present unique challenges for many conformal coatings. Poly(para-xylylene), better known as Parylene, is an ultra-thin, inert, transparent coating that meets these challenges. Parylene provides highly useful dielectric and barrier properties per unit thickness, as well as extreme chemical inertness and freedom from pinholes. The coating is also biocompatible and has passed an array of biological evaluations. Parylene protects components and devices, including stents, pacemakers, cochlear and ocular implants, circuit card assemblies, MEMS, sensors, LEDs, cores, seals and lab-on-a-chip devices, to name only a few. 

Parylene deposition takes place in an evacuated, room temperature chamber via a process known as vapor deposition polymerization (VDP). Sometimes also identified as CVD, this process involves the spontaneous polymerization of a conformal polymeric coating onto all exposed substrate surfaces, edges, and into crevices at a predictable rate, with thickness controllable from 500 angstroms to 75 microns.

This webinar will focus on the Parylene’s unique properties, how the coating is applied, examples of applications that benefit from Parylene’s properties, and advances that have been made in adhesion technologies. As materials and applications continue to advance, Parylene coatings are increasingly used to enhance the reliability of today’s, and tomorrow’s, innovative technologies.

Presenters Include:

Lonny Wolgemuth
Sr. Medical Market Specialist
Specialty Coating Systems, Inc.

Lonny Wolgemuth is Sr. Medical Market Specialist for Specialty Coating Systems.  His focus includes expansion of SCS’ medical markets activities and new medical applications for Parylene conformal coatings.

Wolgemuth has been active in the medical device industry for over 35 years, with experience ranging from in-hospital clinical engineering to product management, market management and national technical support management for international medical device manufacturers in patient monitoring, wound care and patient temperature management.  He has been active in technical medical device standards writing committees for patient temperature management devices, and has testified before FDA device classification panels (tcPO2 monitoring devices).

Wolgemuth earned his Bachelor of Science in Engineering degree at Purdue University and holds   a Master in Business Administration degree from The State University of New York.

Rakesh Kumar, Ph.D.
Vice President of Technology
Specialty Coating Systems, Inc.

Dr. Rakesh Kumar is currently the Vice President of Technology for Specialty Coating Systems, Inc., where he leads the R&D group and manages Parylene research and development activities worldwide. His prior work experience includes technical and management positions with Getty Conservation Institute, United Panel, Inc., Lucent Technologies, OptronX, Inc. He has more than 20 years of extensive experience in the development of polymeric materials and their applications in the medical, electronics and semiconductors areas. He is currently involved with the application of Parylene coatings in the field of medical including medical devices, electronics, MEMS, and nanotechnology. Dr. Kumar earned his undergraduate, graduate and doctoral degrees in Chemistry from Gorakhpur University in India, and completed his post-doctorate work in polymer chemistry at the University College London, U.K. He is co-author of a book and has authored several published papers and patents.

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