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Interference Technology

For EMI / EMC Engineers

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Shielding

Improving Graphene/Polymer Composites for EMI Shielding

 

Researchers in China have discovered a way of improving how graphene is used in polymer segregated composites for electromagnetic shielding, using a novel in situ thermal reduction technique that maximizes electromagnetic interference shielding effectiveness (EMI SE) while reducing agglomeration.  The use of graphene to build up polymer segregated conductive networks in … [Read more...]

Medical-Grade Heat-Shrink Tubing for Cable Shielding

 

Methode Electronics, Inc. has released new medical grade shrinkMate™ heat-shrink tubing, which provides easy-to-apply shielding at the cable-to-connector joint, a common point of leakage. Made of clear medical grade polyester, the lightweight tubing shrinks when heat is applied to firm a conductive seal around an object, providing EMI, RFI and ESD shielding without the use of … [Read more...]

Dead Spacecraft Gives Insight into ‘Bermuda Triangle of Space’

 

A decade-old European satellite has given Italian scientists a detailed look into a dangerous radiation zone located a few hundred kilometers above the coast of Brazil. Known as the South Atlantic Anomaly (SAA), or “Bermuda Triangle of Space,” the region has reportedly caused satellites and telescopes to malfunction and temporarily affected astronauts’ eyesight. According to … [Read more...]

Shielded Test Boxes for R&D, Quality Control and Wireless Coverage Testing

 

Select Fabricators has introduced new lightweight, collapsible RF shielding boxes designed to facilitate better testing of wireless devices for R&D, manufacturing quality control and coverage testing for cellular carriers. Ideal for use by electronics testing laboratories in the commercial and industrial wireless, automotive, aerospace and defense industries, the new … [Read more...]

Man-Made Electromagnetic Noise Disrupts Bird Navigation

 

Scientists have known for decades that migratory birds orient themselves using the Earth’s magnetic field in order to fly in the right direction. Now, German researchers have documented for the first time that man-made electromagnetic radiation interferes with these birds' internal compasses. The phenomenon was discovered by Henrik Mouritsen, a professor of neurosensory … [Read more...]

Genetic Approach Yields New Broadband Metamaterial

 

Researchers have created a specially-formed material using genetic algorithms they say could shield objects from detection by infrared sensors, protect instruments and be modified to cover a variety of wavelengths. "The metamaterial has a high absorption over broad bandwidth," Jeremy A. Bossard, postdoctoral fellow in electrical engineering at Penn State, said. "Other screens … [Read more...]

Data Centers Vulnerable to EMPs, Say Experts

 

Data centers, used to house computer systems and associated components such as telecommunications and data storage systems, store everything from classified government information to personal photos posted on social media websites. Designers must consider a number of key factors when constructing a data center facility, including site selection, mechanical and electrical … [Read more...]

EMI Shielding Compounds for Automotive Radar and Sensing System Components

 

Thermoplastics compounder RTP Company has developed new EMI shielding compounds ideal for replacing metal or conductive coated plastic housings in automotive sensing systems. Automotive radar and sensing systems designed to maintain vehicle safety and reliability require EMI protection to eliminate “noise” that could interfere with signal processing, the company says. As the … [Read more...]

Air-Inflated EMI/RFI Shelters Offer Fast Set-Up and Take-Down

 

Saelig Company, Inc. has introduced new inflatable AirBeam enclosures designed to deploy rapidly and provide an uncomplicated state-of-the-art environment for EMI/RFI compliance testing or chemical biological containment (CBC). Available in a range of sizes from 7x7 ft. to as large as an aircraft hangar, the new AirBeam enclosures are ideal for many types of EMI-RFI compliance … [Read more...]

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