The TechMesh© Combo Strip and Gasket from Leader Tech have been crafted for use in applications requiring EMI/RFI shielding and environmental sealing. These materials are comprised of monel or tin-plated, copper-clad steel knitted wire mesh that are bonded to neoprene sponge, silicon sponge, or or silicon solid elastomer strips. The wire mesh provides shielding performance up … [Read more...]
Three-Layer Filters Provides Dust Filtering and EMI Shielding
The ATI 3-layer filters from Alco Technologies is a superior dust filtration, EMI shielding filter for minimum air flow requirements. Aluminum extruded profiles surround three layers of aluminum screen and are welded in place. Three layers of wave-formed aluminum wire screen, each with a decreased depth are layered together in an arrangement resembling the look of a continuous … [Read more...]
Silicone Gasketing Material Meets Requirements of MIL-DTL-83528
A family of conductive silicon elastomers from SAS Industries has been crafted for applications that require extremely high shielding effectiveness, environmental sealing, reliability, and durability. These elastomers are a unique composite of high quality silicone and conductive microscopic particles manufactured to strict formulations to yield gasketing materials that meet … [Read more...]
New EMC Standards Cover Household Appliances and Information Technology
Two new EMC standards are now available from the International Electrotechnical Commission. CISPR 14-2 Amd. 2 Ed. 1.0 (2008-05) is entitled “Electromagnetic compatibility – Requirements for household appliances, electric tools, and similar apparatus – Part 2: Immunity – Product family standard.” Project CISPR 22 Ed. 6.0 (2008-05) “Information technology equipment – Radio … [Read more...]
Laird Technologies and Employees Contribute to Chinese Earthquake Relief
Laird Technologies, a unit of Laird PLC, well known for its EMI/RFI shielding and other high tech products, has announced a corporate donation of $100, 000 for relief efforts in the earthquake devastated Chengdu Province of China. Also, individual Laird employees in China have donated a total of over 35,000 in a grass roots effort to assist their fellow countrymen. Marty Rapp, … [Read more...]
Intertek Achieves Acceptance of Certification Marks from the United Arab Emirates
Intertek, well known for its EMI/RFI and other test offerings, has announced that its safety and certification marks have been formally accepted in the United Arab Emirates by the Dubai Civil Defense and Abu Dubai Civil Defense Departments. Intertek’s ETL and WHI marks acceptance provide manufacturers direct global market access to one of the fastest growing construction … [Read more...]
Swiss Foundation Clarifies Position on Controversial Study on EM Radiation and Health
The Zurich-based Foundation for Research on Information Technologies in Society (IT’IS), an organization that works to expand the scientific basis of the safe and beneficial application of electromagnetic energy in health and information technologies, has issued a statement clarifying the extent of its participation in a controversial study by University of Vienna Prof. Hugo … [Read more...]
PCB Board Level Enclosures: A Vital Design Element
PCB design is vital to the efficacy of innumerable electronic products. A reliable product and marketplace success are the ultimate rewards for careful consideration of all design issues. Choosing an appropriate board level enclosure is just one element of successful design efforts, and the choice must be carefully considered along with other crucial issues including the … [Read more...]
EMI Shielding and Optical Enhancement to Touch Screens
Electromagnetic attenuation features can be incorporated as an integral part of touch screens rather than as a separate component in those display applications requiring shielding for EMI/EMC compliance. Various enhancement techniques and design considerations will be reviewed. Features and methods employed will vary with particular touch screen enhancements and will include … [Read more...]
Crucial RF Shielding Selection Considerations
Gary Fenical Laird Technologies INTRODUCTION Designers must attenuate RF signals for various reasons. Since a product cannot be legally marketed unless it meets EMC requirements, designers must curtail RF signals above a certain limit. It is important to consider RF shielding materials at the beginning of a design project because choosing the correct kind of shielding upfront … [Read more...]
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