BMI-S Board Level Shields Laird Performance Materials BMI-S Board Level Shields are designed to provide maximum performance within a minimum timeline. These mount shields are available in both one-piece and two-piece designs. The one-piece designs offer economical shielding protection and two-piece designs offer flexibility to inspect or repair shield components without risking board damage. These standard design shields do not need any tooling cost. Laird Performance Materials BMI-S Board Level Shields are suitable for infotainment, LED lighting, tablets, drones, smart appliances, wireless metering, defibrillators, RFID systems, and ultrasound.