EMC shielding in electronic products can be expensive and take up a lot of space on the printed circuit board. This is especially true for products that are produced in high volumes, such as smartphones, IOT sensors and automotive electronics. But this also applies to sensitive radar systems and specialist equipment in aerospace.
This allows the EMC problem to be captured at the source. This can be done at housing level, printed circuit board level, but even at component level, where CHO-SHIELD is applied directly to ICs.
Parker Chomerics has a wide range of electrically conductive coatings and paints in its range, tailored to each application.
The compound is composed of a liquid carrier consisting of acrylic, epoxy, polyester or polyurethane, enriched with filler of silver, copper or silver-plated copper. The compound to be applied can consist of one or more components and in some cases a primer is necessary.
Considerations include:
– Degree of EMC shielding
– Application lifespan
– Surface of the coating
– Temperature stability
– Cost of the material
Parker Chomerics is a specialist in EMC shielding materials and thermal interface materials for critical electronics.