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About 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. EMI is high-frequency interference caused by electronic components, fluorescent lamps, and industrial equipment. RFI is similar to EMI, but affects lower frequencies within the electromagnetic spectrum. In the United States, the Federal Communications Commission (FCC) establishes limits for EMI and RFI in order to prevent interference with communications devices and systems. Typically, EMI and RFI shielding is used in medical equipment, military hardware, telecommunications systems, and anti-static applications. Resins or compounds with a high degree of electrical conductivity (low resistivity) are used in thick-film metallization and electrical interconnections. Dielectric compounds are used to form a barrier or isolator between electrical or electronic components.
Engineering Web: EMI and RFI Shielding - Machine Design
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New Product: EMI/RFI Shielding | Machine Design New Product: EMI/RFI Shielding June 5, 2008 A 52-page catalog covers standard and custom EMI/RFI shielding products. |
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EMI/RFI Shielding | Machine Design EMI/RFI Shielding March 8, 2007 Staff The EMI/RFI shielding line offers numerous sizes, shapes, compositions, mounting options, and seal types. |
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Low-Profile EMI/RFI Shielding Gasket Profiles | Machine Design Low-Profile EMI/RFI Shielding Gasket Profiles |
