Silicones and Electronics
Long-term, reliable protection of sensitive circuits and components is important in today's delicate and demanding electronic applications. Silicones function as durable dielectric insulation, as barriers against environmental contaminants and as stress relieving shock and vibration absorbers over a wide temperature and humidity range.
In addition to sustaining their physical and electrical properties over a broad range of operating conditions, silicones are resistant to ozone and ultraviolet degradation, have good chemical stability and are available in a variety of useful forms such as conformal coatings, encapsulants and adhesives.
Dow Corning offers a variety of noncorrosive, thermally conductive silicone adhesives that are ideally suited for use in bonding hybrid integrated circuit substrates, components and devices to heat sinks, as well as for use in other bonding applications where flexibility and thermal conductivity are major concerns. The flowable products are also ideal for use as thermally conductive potting materials for transformers, power supplies, coils, relays and other electronic devices that require improved thermal dissipation.
These thermally conductive adhesives all cure with heat to produce a durable, relatively low stress elastomer. No byproduct is produced in the cure process allowing use in deep section and complete confinement. These adhesives will develop good, primerless adhesion to a variety of common substrates including ceramics, epoxy laminate boards, reactive metals and filled plastics.