The global rollout of 5G networks and exponential growth of IoT-connected devices have created unprecedented demand for effective, lightweight electromagnetic interference (EMI) shielding solutions. A PVD vacuum coating machine employing Non-Conductive Vacuum Metallization (NCVM) has emerged as the definitive answer, enabling manufacturers to deposit ultra-thin, non-conductive metallic shielding layers directly onto plastic enclosures and internal components.
The RT1600-NCVM PVD vacuum coating machine by ROYAL processes polycarbonate and ABS components at 15-25 minute cycle times per batch. For smartphone back covers, a single machine operating two shifts can process 500,000+ units annually, applying precision NCVM coatings that deliver 45-55 dB shielding effectiveness while maintaining >10^8 Ω/sq surface resistivity.
For automotive radar radomes operating at 77 GHz, the system deposits an aluminum NCVM layer precisely controlled to 100-250 nm thickness. The discontinuous film provides 35-45 dB shielding at frequencies below 10 GHz while maintaining 90%+ millimeter-wave transmission—a critical performance requirement for ADAS sensor systems.
| Test | Standard | Target |
|---|---|---|
| Surface Resistivity | Four-Point Probe | >10^7 Ω/sq |
| Shielding Effectiveness | ASTM D4935 | 40-60 dB |
| Adhesion | ASTM D3359 | 5B Rating |
| Environmental | 85°C/85% RH | 1,000 Hours |
For manufacturers seeking to bring EMI shielding in-house while reducing device weight and eliminating hazardous plating processes, NCVM technology delivered through ROYAL's production-proven PVD platform represents the most compelling solution available today.
Contact ROYAL for a customized NCVM feasibility study or to schedule an on-site demonstration at our coating application center.