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Interference Technology

For EMI / EMC Engineers

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Shielding

RF Shield Incorporates Etched Slot to Minimize Leakage

 

The patented “Easy Access” RF shield from Photofabrication Engineering, Inc. (PEI) incorporates an etched slot that is straight or staggered to minimize RF leakage. The tab connecting the lid to the RF shield can be easily snipped for access and then can be re-soldered in seconds for minimal downtime. Covers are manufactured from SAE 1010 with solder plating and can be bent … [Read more...]

More Shielding Products

 

Line of Silicone and Fluorosilicone Elastomers Offers Variety of Design OptionsConductive elastomers from UK-based Kemtron Ltd. are fully post cured silicones or fluorosilicones with highly conductive particles that provide low contact resistance between mating surfaces. The various fillers have been chosen to ensure galvanic compatibility between the surfaces. Extruded … [Read more...]

Shielding Paint

 

A paper published by Japanese researchers at the University of Tokyo and Dowa Electronics in the Journal of the American Chemical Society and referenced in a recent issue of New Scientist reports on a paint formulation containing aluminum-iron oxide that can block electromagnetic waves up to 182 GHz at room temperature. Unlike earlier solutions for protecting high speed … [Read more...]

Don’t Settle for Being Just an E3 Engineer—Become an E3 Advocate!

 

Expand your E3 support role so you can provide your project with a “best value” solution by taking project priorities into consideration WOODY HAWTHORNE INTRODUCTION It is often the accepted practice for the E3 engineer on a program simply to provide his technical expertise on meeting EMI, EMC, EMP and other E3 requirements and to let others take the recommendations from … [Read more...]

Form-in-Place Gaskets Feature Special, Silicone-Based Pastes

 

EMI Sentry™ from Laird Technologies is a new family of form-in-place gaskets consisting of SNK55-RXP, a silicone with silver/copper that cures at room temperature; SNK60-HXP, a silicone with silver/copper that cures in an oven; SNL60-RXP, a silicone with silver/aluminum that cures at room temperature; and SNL70-HXP, a silicone with silver/aluminum that cures in an oven. These … [Read more...]

Towards an EMC Technology Roadmap

 

A technology roadmap is a tool for attaining the optimum development within a sector of technology Marcel Van Doorn, Phillips Electromagnetics & Cooling Competence Center Eindhoven, the Netherlands Introduction This article expands earlier work on the concept of a technology roadmap for EMC technology.1 Just as a traditional terrestrial map helps insure that travelers … [Read more...]

Leader Tech Expands with a Global EMI Shielding Technology Center

 

Well-known EMI shielding manufacturer Leader Tech has announced the completion of its Phase II, Global EMI Shielding Technology Center. This most recent expansion, based in Tampa, Fl, includes the addition of three domestic sales representatives, a new regional sales engineer, and a dedicated 45-press manufacturing line. This enhanced manufacturing capacity will focus on … [Read more...]

Life Enhancing Medical Products Achieve EMC Compliance

 

Surface cleanliness is critical to good coating adhesion for any coating process Rocky R. Arnold, Ph.D. WaveZero, Inc. Sunnyvale, CA Many medical product manufacturers achieve electromagnetic compliance (EMC) for their electronic devices by coating the inside of the plastic enclosures with a conductive material; for example, silver-copper particle loaded paint, electroplated … [Read more...]

Reducing Ground Noise Emissions in Critical Electronic Equipment and Facility Ground Systems to Help Prevent Conducted EMI Problems

 

Many EMI problems involve emissions that circulate through electrical conductors within a facility and within equipment Philip F. Keebler and Kermit O. Phipps EPRI Knoxville, Tennessee Background The electromagnetic environment includes the areas inside and outside electrical and electronic equipment. The areas inside equipment include unused air spaces, circuit boards, cables … [Read more...]

Semi-Anechoic Chamber Expedites Avionic EMC Testing

 

A semi-anechoic chamber has been completed by ETS-Lindgren at Airbus in Hamburg, Germany. Valued at over €500,000, the chamber measures 12 x 6.7 x 6.5 meters and features an 8- x 4- x 2.9-meter control room. The chamber is to be used primarily for the EMC testing of electrical and electronic components and systems in aircraft. The new indoor, in-house test environment ensures … [Read more...]

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