As electronic devices become increasingly compact and complex, their susceptibility to electromagnetic interference (EMI) rises. This interference can lead to malfunctions, data loss, and even complete system failure, resulting in costly downtime and potentially dangerous situations. Electronics engineers face the challenge of effectively shielding sensitive components to ensure the reliability and performance of their products. Board Level Shielding (BLS) is the most effective method for EMI/RFI shielding. These metal shields isolate radiated emissions by creating a Faraday cage around a PCB component. By capturing EMI/RFI at the source, the need for expensive enclosure shielding solutions is minimized.

Leadertech offers an extensive standard program for this purpose, with options for various types tailored to component height, dimensions, and top coverage with different ventilation openings, depending on the frequency and field strengths of the EMI.

In addition to shielding individual components, parts of a PCB can also be shielded, potentially consisting of multiple chambers. These are often customized PCB shields or even fully bespoke BLS types.