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Sono-Tek Announces New Product for EMI Shielding Spray Coatings
January 31, 2022 | Sono-Tek CorporationEstimated reading time: 1 minute
Sono-Tek Corporation is pleased to introduce a new ultrasonic coating system designed to spray EMI shielding silver inks, FlexiCoat EMI. This emerging market is a natural fit for Sono-Tek’s ultrasonic spray technology. At a fraction of the cost of sputtering technology, Sono-Tek ultrasonic spray coating systems have been used as sputtering alternatives where cost savings is a significant concern during manufacturing. Sono-Tek coated EMI shielding components have comparable characteristics to sputtered parts both for adhesion and shielding properties.
Spray-on silver based shielding materials have been in use for several years. Thinner, lighter device designs have made the transition from board level shielding to IC Package shielding, enabling higher board density. Sono-Tek has sold multiple machines in this new market recently with the introduction of their FlexiCoat EMI system. Benefits of this new system include: complete thin film coverage of geometries with excellent uniformity; high throughput (UPH) with excellent surface conductivity; optimal side wall coverage in tight geometries with flexible, programmable nozzle tilt and rotation, and excellent adhesion with precise thickness control, (top surface to sidewall thickness ratio of: 1.0 to ~0.6-0.7) and no backside contamination. FlexiCoat EMI has many options available as well as modular process stations for a complete EMI Shielding line.
“We expect to see the new FlexiCoat EMI system become a prominent fixture in this new market in the next few years, and look forward to offering this efficient alternative to sputtering in the manufacture of smaller and smaller electronic devices,” said Bennett Bruntil, Sono-Tek’s VP of Sales & Marketing.
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