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Maglev Hovering Train Breaks Speed Record

 

A seven car Maglev (magnetic levitation) Train in Central Japan broke its own speed record when tested near Mount Fuji this week. In 2003 the Maglev’s record was 268 mph and last week it reached 366 mph. On Tuesday the Maglev surpassed both previous records and reached 374 mph. The Maglev train hovers four inches above the tracks and is propelled by electrically-charged … [Read more...]

Invisible Objects Created in the Microwave Range Without Metamaterial Cloaking

 

Physicists from ITMO University, Ioffe Institute and Australian National University have made homogenous cylindrical objects entirely invisible in the microwave range without metamaterial cloaking. Until now, invisibility relied on metamaterial coatings, which can change the direction of light and make light curve around cloaked objects. However, with a new understanding of … [Read more...]

FBI Pulled Security Expert from Flight for Alleged Hacking Concerns

 

The FBI pulled Chris Roberts, a computer security expert, from his United Airlines Flight last Wednesday in Syracuse because of suspicions that he hacked the airplane. Roberts tweeted referencing the plane’s communication systems suggesting he was going to use his laptop to force the plane’s emergency oxygen masks to deploy. The tweet read: “Find Myself on a 737/800, let’s see … [Read more...]

Physicists Discover Graphene Absorbs up to 50 Percent of Microwave Radiation

 

A team of physicists from the University of Namur in Belgium have discovered that graphene serves as an effective shield against microwave inference. Graphene has the ability to reduce microwave pollution and to enhance the electromagnetic compatibility of future electronic devices. Philippe Lambin, project lead, and and his colleagues demonstrated that “the conductivity of … [Read more...]

FEKO Hosts Paper Presentation and Simulation Demonstration at Symposium

 

FEKO announces it is hosting two activities at the symposium. The first is a paper presentation titled: ‘Numerical Approaches,’ on Thursday March 19 at 11:30 a.m. in Grand Ballroom D. EMC simulations of aircraft with composite materials will take place during the presentation. The second activity is a computer modeling and simulation demonstration titled ‘Modeling the … [Read more...]

New Product Guide Aids Design Engineers When Selecting Gaskets

 

Tech-Etch, Inc., a company known for producing shielding products for commercial and military markets, announces its new EMI/RFI Shielding Product Guide. The guide is an 8-page brochure with colored pictures, and side-by-side comparisons of all standard products. The compact guide assists design engineers in selecting the most suitable gasket for particular situations. “The … [Read more...]

Low-profile Gasket Profiles Offer Snag-free Operation

 

Tech-Etch, Inc. introduces its new low-profile EMI/RFI shielding gasket profiles. These BeCu gaskets are offered in Stick-on, Hook & Stick-on and Clip-on mounting configurations. These gaskets are smooth to touch, require a low closing force, and are ideal for bi-directional applications. The Stick-on mounting configuration offers fast and reliable installation and can be … [Read more...]

Low-Frequency Suppression Cores Suppress Common Mode EMI on Cable Assemblies

 

Fair-Rite Products Corp. has announced new low frequency suppression cores optimized for operation from 100 kHz to 5MHz. Available in solid cores as well as the company’s Snap-It split configuration, the 75 material suppression components have a useful range up to 30 MHz and are ideal for suppressing common mode EMI on internal and external cable assemblies of electronic … [Read more...]

Electrically Conductive, Sodium Silicate Coating for EMI/RFI Shielding

 

Master Bond, Inc. has released MB600G, an aqueous-based, sodium silicate system with graphite filler well suited for EMI/RFI shielding applications. Graphite-filled materials are widely used for shielding and static dissipation applications because of the balance of shielding effectiveness and cost. Shielding effectiveness is most often measured by attenuation. It is defined … [Read more...]

Avoid the Most Common Failures with These 7 Essential EMC Design Rules

 

A reader recently asked me what the top design rules were that they could implement on their product to maximize the chances of passing FCC and CE testing. There’s no doubt that there are countless ways to fail emissions and immunity tests, but a pattern of failure modes did emerge at my EMC lab.Regardless of the type of product I was testing, be it medical, industrial, … [Read more...]

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