RF/EMI Shields Include Snap-On, Snap-Off Covers
MILFORD, Mass.--Photofabrication Engineering, Inc. (PEI), of Milford, Mass., is introducing a line of EMI/RF (electromagnetic interference/radio frequency) shields with snap-on, snap-off covers that are said to allow easy access at any time to components within the shields. The shields are designed to protect components from radio frequency/electromagnetic interference and environmental hazards, and to provide electrical grounding. Standard forming tools are available in various sizes and shapes to create covers that attach onto a fence, yet can be removed and replaced easily, the company says.
The photochemically-etched fences have grooves that are etched to approximately 50% of the material thickness, allowing PEI's custom-spring finger designs to snap into them firmly. According to PEI, it can apply its design to "any existing shield that has a removable cover," charging its customers only for a photo tool--not for forming tool. "Our innovative technology and extensive etching capabilities allow us to manufacture reliable, easy-to-use shielding at low cost and with fast deliveries," the company said in a recent announcement.
Shielding options for circuit board applications are reported to include one-piece or two-piece construction; standard base materials, including brass, tin, tin-lead, nickel, copper, and cold-rolled steel, all of which can be provided with solderable plating; and nickel-silver base material, which is already solderable and therefore doesn't require additional finishing.
PEI (Photofabrication Engineering, Inc.) utilizes a quality management system that is certified to ISO 9001:2008 and AS9100 Revision B, applicable to photochemical machining and assembly of precision and decorative metal parts. Applications for the company's shielding products are reported to include aerospace, defense, and commercial electronics; communications and telecommunications equipment; medical and biomedical equipment; and appliances--virtually any application where board components must be protected from RF interference. The company was recently issued an Outstanding Supplier award from Greatbatch, Inc., a manufacturer of components for medical devices.
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