EMI Shielding/

Magnetic Shielding

Find magnetic shielding solutions including magnetic shields, magnetic shielding foil and more. Use the time-saving Request for Quote tool to submit your inquiry to all the magnetic shielding companies you select.

Magnetic Shielding Types
Spira™ Manufacturing Corp. manufactures the most reliable magnetic shielding products for the electrical / electronic industries to meet required EMC shielding regulations. We have been providing cost-effective magnetic shielding for over 30 years and to this day, we continue to provide magnetic shielding products with innovation & expertise. Spira is an AS9100 & ISO 9001:2000 registered company.
Offering extensive magnetic shielding services, Compac Development provides premium customer support as well as a variety of secondary operations including powder coating, prototyping and silk screening. Compac Development constantly pushes magnetic field shielding boundaries in order to create innovative magnetic shields, proving to be tough competition for leading magnetic shielding companies.
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An ISO 9001:2000 Registered company. Precision photo chemical etching of most metals, thickness ranging from 0.0003 to 0.063 inches. In addition, our services include in-house forming, heat treating and plating. Typical applications are flat springs, lead frames, shielding, shims, screens and virtually any small close tolerance part originating from thin metal.
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A "Preferred Source" for electromagnetic shielding. ISO 9001:2000 certified Magnetic Shield Corporation has been serving customers with unique emi shielding solutions for 65 years. As applications for emi coating & emi enclosures continue to grow, choose this premier supplier of custom magnetic shields, room & wall EMF shields & magnetic shielding material, even innovative nanotechnology coating.
INTERMARK (USA) Inc. is a branch of KITAWAGA Industries Co. that focuses on magnetic shielding products. For customers looking for unique magnetic shielding solutions, INTERMARK has the magnetic shielding materials to supply the answer. As one of the more technologically advanced magnetic shielding companies, INTERMARK offers a varied line of magnetic shielding products as well as free samples.

Sealing Devices is a leading North American distributor & fabricator of EMI/RFI shielded products, including conductive elastomers, Soft-Shield® low closure force gasketing, metal EMI gaskets, EMI shielded windows, conductive adhesives, formed-in-place gaskets, EMI shielded vents as well as elastomers, pads and tapes used for managing EMI related thermal applications. ISO 9001:2008 registered.
Shielding Resources Group provides highly-efficient magnetic shielding materials as one of the industry`s top magnetic shielding companies. Since 1994, Shielding Resources Group has delivered first-class magnetic shielding solutions to hospitals, laboratories and more. Utilizing current magnetic field shielding technology, Shielding Resources Group offers exceptionally reliable magnetic shields.
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Conductive Systems provides top-of-the-line magnetic shielding solutions through utilizing the finest in magnetic shielding materials. As magnetic shielding service providers, Conductive Systems is a step ahead of other leading magnetic shielding companies in terms of quality and performance. Superior magnetic field shielding from Conductive Systems meets demanding applications day in and day out.
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Originally serving as a biomedical research and development company, VitaTech Engineering began offering magnetic shielding services in 1993. Providing first-rate magnetic shielding solutions, VitaTech utilizes magnetic shields research to create the most efficient magnetic field shielding possible against a long list of potential hazards including magnetic storage media and audio/video equipment.
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Industry Information

Magnetic Shielding

Magnetic shielding, also called electromagnetic (EMI) shielding, is the process of protecting electronic equipment from ambient electromagnetic interference. 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. Both EMI and RFI cause interruption and malfunction of electrical flow in sensitive electronic devices such as mobile phones, laptops, computers, monitors and many others. Magnetic interference can be blocked with enclosures, coatings or transmitted signals. EMI enclosures, EMI coating, EMI gaskets and EMI filters are used as magnetic shielding and RFI shielding to guard sensitive electronic equipment; magnetic shielding is essential in many industries dependent upon electronic equipment, such as sound, lighting, medical and communications industries.

EMI enclosures, or "faraday cages" provide magnetic shielding for electronic equipment by absorbing harmful magnetic signals and radio waves. EMI enclosures are generally constructed from aluminum, stainless steel, nickel or copper alloys. EMI coating allows for more flexible applications, as it may be spray-coated to the inside of plastic housings or the outsides of wires and regular enclosures. "Metal inks" containing copper, nickel or chromium alloys may be sprayed on to virtually any housing or material to create the effect of EMI shielding. EMI gaskets create more robust EMI and RFI protection by preventing the leakage of EMI in or out of an enclosure through seams or gaps. Gaskets are made from electrically conductive rubber materials and are often combined with EMI shielding metals. An alternative to enclosures, coatings and gaskets is the EMI filter, a passive electronic device which blocks high EMI frequencies, allowing normal low frequencies to pass. EMI filters are used to block electromagnetic interference which is conducted through power lines and signals, and do not provide magnetic shielding for air-transmitted magnetic radio frequency interference.

Magnetic Shielding
Magnetic Shielding
Magnetic Shielding Images Provided by INTERMARK (USA), INC.
Magnetic Shielding
Magnetic Shielding Image Provided by United Western Enterprises, Inc.