From Emerson & Cuming Microwave Products, Inc.

An innovative supplier of RF products, systems, services and educational solutions sought out engineers at Emerson & Cuming Microwave Products to take over a step in their production process. ECCOSTOCK® FPH/12-4H, a pink, high-temperature, low dielectric constant polyurethane foam was selected as a staking compound for use in lumped low-pass band filters capable of 5000W of radio frequency RF power. The equipment below, which has 6 isolated cavities roughly 8" square, was sent to the E&C Randolph, US facility where FPH was cast in place.

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Products & Services
EMI and RFI Shielding
EMI and RFI shielding includes coatings, gaskets, enclosures, sealants, resins and other products or materials that block out electromagnetic interference (EMI) and radio frequency (RF) interference.

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Overview A filter is used to selectively pass or attenuate a particular band of frequencies, and can be constructed of LC, RC, LCR, LR, or distributed components, and can be either active or passive...