Protection of active implant electronics with organosilicon open air plasma coating for plastic overmolding

Matthias Zeppenfeld; Maximilian Wardenberg; Christin Rapp; Markus Eblenkamp

doi:10.1515/cdbme-2016-0011

Protection of active implant electronics with organosilicon open air plasma coating for plastic overmolding

Matthias Zeppenfeld, Maximilian Wardenberg, Christin Rapp, Markus Eblenkamp

Engineering and Design

Technical University of Munich

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

To overcome challenges for manufacturing of modern smart medical plastic parts by injection molding, e.g. for active implants, the optimization of the interface between electronics and the polymer component concerning adhesion and diffusion behavior is crucial. Our results indicate that a nano-sized SiO_xC_yH_z layer formed by plasma-enhanced chemical vapour deposition (PE-CVD) via open air atmospheric pressure plasma jet (APPJ) and by use of a hexamthyldisiloxane (HMDSO) precursor can form a non-corrosive, anti-permeable and biocompatible coating. Due to the open air character of the APPJ process an inline coating before overmolding could be an easy applicable method and a promising advancement.

Original language	English
Pages (from-to)	35-38
Number of pages	4
Journal	Current Directions in Biomedical Engineering
Volume	2
Issue number	1
DOIs	https://doi.org/10.1515/cdbme-2016-0011
State	Published - Sep 2016

Keywords

APPJ
Active implants
HMDSO
Injection molding
PE-CVD

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abstract = "To overcome challenges for manufacturing of modern smart medical plastic parts by injection molding, e.g. for active implants, the optimization of the interface between electronics and the polymer component concerning adhesion and diffusion behavior is crucial. Our results indicate that a nano-sized SiOxCyHz layer formed by plasma-enhanced chemical vapour deposition (PE-CVD) via open air atmospheric pressure plasma jet (APPJ) and by use of a hexamthyldisiloxane (HMDSO) precursor can form a non-corrosive, anti-permeable and biocompatible coating. Due to the open air character of the APPJ process an inline coating before overmolding could be an easy applicable method and a promising advancement.",

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AB - To overcome challenges for manufacturing of modern smart medical plastic parts by injection molding, e.g. for active implants, the optimization of the interface between electronics and the polymer component concerning adhesion and diffusion behavior is crucial. Our results indicate that a nano-sized SiOxCyHz layer formed by plasma-enhanced chemical vapour deposition (PE-CVD) via open air atmospheric pressure plasma jet (APPJ) and by use of a hexamthyldisiloxane (HMDSO) precursor can form a non-corrosive, anti-permeable and biocompatible coating. Due to the open air character of the APPJ process an inline coating before overmolding could be an easy applicable method and a promising advancement.

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Protection of active implant electronics with organosilicon open air plasma coating for plastic overmolding

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Keywords

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