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Most unmanned aerial vehicles (UAVs) require communications with ground-based systems such as radio gateways. Electromagnetic interference (EMI) can disrupt these communications, degrade the quality of global positioning system (GPS) reception, and interfere with the drone’s onboard compass, which is calibrated according to the Earth’s magnetic field. The causes of UAV EMI are numerous, but electrically conductive gaskets made of shielding silicones are part of the solution.What [...]

Specialty Silicone Products (SSP) makes conductive shielding elastomers, including five QPL listed products that meet MIL-DTL-83528 requirements. For engineers who need EMI/RFI gaskets for military applications, it’s important to know what MIL-DTL-83528 is and how it’s related to the QPL. It’s also worth learning about some other conductive shielding elastomers that are used in military projects.  What is MIL-DTL-83528?MIL-DTL-83528 is a detail specification from the U.S. [...]

Redesigning an EV battery box because of a gasket problem can be difficult and expensive. It’s better to account for EV battery box sealing up-front than to design the case and discover that a gasket won’t fit, or that a chosen material wasn’t the best selection. Along with low-temperature flexibility and high-temperature resistance, EV battery box gaskets need to provide shielding against electromagnetic interference (EMI). They also need to meet tough flammability [...]

Are you looking for an alternative to BISCO® EC-2130 EMI silicone from Rogers Corporation? Specialty Silicone Products (SSP) makes a comparable material that has shorter lead times and better physical properties. SSP-502-30 is a 30-durometer, nickel-graphite silicone that has the same hardness and uses the same type of conductive filler as BISCO® EC-2130. The lead times for SSP-502-30 are just three to four weeks, and sheets of our material are available with a conductive PSA for [...]

Last week, Verizon and AT&T announced that they would delay the expansion of new 5G cellular service near some U.S. airports. Although the telecommunications companies had argued that the commercial aviation industry has had years to prepare for a 5G rollout, airlines and regulators continued to express concerns that 5G could interfere with onboard instrumentation used for tasks such as determining an aircraft’s altitude. Verizon and AT&T will still complete more than 90% of their [...]