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EMI Coating

A reliable source for EMI Coating information and leading EMI Coating Companies.

Shielding sensitive electronic equipment from electromagnetic interference (and shielding high EMI-emitting equipment from contaminating other equipment) can be achieved by blocking the EMI with a conductive by coating equipment or equipment enclosures with EMI coating. Read More…

EMI Coating EMI coating is sprayed on the interior of electronic device housings in order to protect sensitive electronic equipment from electromagnetic interference.

EMI, or electromagnetic interference, is the magnetic field which is created by electrical currents; EMI can travel along wires, electrical circuits and conductors, while radio frequency interference (RFI) is radiated electromagnetic "noise," which travels through the air as radio waves.

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Leading Manufacturers

San Fernando, CA  |  818-764-8222

Spira Manufacturing Corp. offers the most reliable EMI gaskets & shielding for the electrical / electronic industries to meet required EMC/EMI shielding regulations.

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Spira Manufacturing Corporation $$$

Lancaster, NY  |  716-684-7600

Sealing Devices is a leading North American distributor and fabricator of EMI shielding products, including conductive elastomers, Soft-Shield® low closure force gasketing, windows, conductive adhesives, formed-in-place parts, vents and elastomers.

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Sealing Devices Inc. $$$

Randolph, NJ  |  973-366-0080

Omega Shielding Products is your premier source for high-performance, metal-stamped, fingerstock EMI RFI shielding solutions. An ISO9001:2008 certified manufacturer of EMI shielding and RFI shielding products, Omega offers an extensive line of EMI gaskets, rings and more to meet your specific needs. Omega Shielding Products maintains the highest levels of product quality and customer satisfaction.

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Omega Shielding® Products $$$

West Boylston, MA  |  508-835-6225

Central Coating is the largest applicator of coatings in the Northeast. We specialize in the application of EMI shielding, industrial, textured and conformal coatings; form in place gaskets, pad printing, silk screening and value-added operations. ISO 9001:2015 registered, Central Coating specializes in the custom application of EMI shielding material using robotic and manual application methods.

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Central Coating Company, Inc. $$$
placeholder image Spira Manufacturing Corporation Sealing Devices Inc. Omega Shielding® Products Central Coating Company, Inc.

EMI coating allows for more flexible applications than EMI enclosures, as it may be spray-coated to any number of enclosures, areas and insulators.

Various types of EMI coatings are often spray coated to the inside of plastic enclosures, surrounding the equipment which needs to be shielded in order to absorb harmful EMI and RFI. "Metal inks" containing copper, nickel or chromium alloys are EMI coatings which may be sprayed on to virtually any housing or material to create the effect of EMI shielding.

Electronic equipment manufacturers and suppliers use EMI enclosures in applications such as circuit board housings, central processing units, laptops and mobile phone housings. With circuit boards, CPUs, laptops and similar devices, most problematic EMI comes from electromagnetic cross-talk within the device.

Different components on the same board cause EMI to travel across wires and conductive materials, interfering with one another. EMI coatings may be sprayed onto wire insulation, circuit boards and onto the interior of small enclosures of integrated circuits, diminishing electromagnetic "cross-talk" within devices.

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