Conductive elastomer engineering handbook from parker. Parker chomerics division is part of the parker hannifin corporation engineered materials group and is a global leader in development and application of electrically and thermally conductive materials in electronics, transportation and alternative energy systems. The residual current appearing on the opposite face is the one responsible for generating the. The electromagnetic plane wave theory is generally applied for emi shielding in this region. Since 1961, vigorous product development in pace with the rapid advances in electronics has made chomerics a primary force in emi shielding technology. Buy your cch181010100 from an authorized chomerics distributor. A new conductive elastomer engineering handbook for emi electromagnetic interference shielding applications has been published by parker chomerics. Emi shielding market growth opportunity, analysis and forecast 20182026 top key vendors. May 22, 2018 however, with everincreasing frequencies and the tendency for lighter, thinner and lower power devices mean that emi shielding for electronic devices will continue to be a challenge for the foreseeable future. Design decisions relating to emc shielding parker chomerics. Emi shielding thermal materials on chambers gasket. A global supplier of emi shielding, thermal interface materials, plastics, and optical products. Jul 25, 2017 outdoor telecommunication infrastructures such as fiber optic boxes and electric enclosures often face many harsh environmental conditions.
Conductive elastomer engineering handbook from parker chomerics. All electromagnetic waves consist of two essential components, a magnetic field, and an electric field. Emi shielding market growth opportunity, analysis and. Parker chomerics is a global supplier of emi shielding, thermal interface materials, plastics and optical products. Jemic shielding technology supplier of an, chomerics. Shishkin 1 1riga technical university, laboratory of powder materials, azenes 1620, lv 1048, riga, latvia. A conductive elastomer engineering handbook published by parker chomerics offers detailed technical explanations and helpful advice on choosing solutions for emi shielding. Parker chomerics conductive elastomer engineering handbook. Jun 14, 2017 selecting the right emi shielding material for your application can be challenging. A new conductive elastomer engineering handbook published by parker chomerics offers detailed technical explanations and helpful advice on choosing solutions for emi shielding. Architectural electromagnetic shielding handbook a design and specification guide the first volume ever to cover all aspects of the subject, architectural electromagnetic shielding handbook provides the practicing architectengineer with a comprehensive guide to electromagnetic shielding. Chomerics general purpose materials exhibit excellent electrical and mechanical properties on metallic and shield plastic housing. Aug 31, 2004 chomerics emi shielding for militaryaerospace electronics engineering handbook undated.
Parker chomerics s emi shielding gasket products are designed to resist compression over a wide temperature range. The companys growth and the expansion of the products and services provided to our customers are reflected in this emiemc engineering handbook. We offer a worldwide network of applications engineering support, manufacturing. Handbook helps design engineers select optimum emi gasket. Cch181010100 chomerics tape, foil shielding, copper. The formulation contains nickelplated graphite particles dispersed in a silicone elastomer. Chomerics is a global manufacturer of emi shielding materials. A the impedance concept and its application to problems of reflection, shielding and power absorption. Cellular structures from perforated metallic tape and its. The company focuses on costeffective shielding methods with short delivery times, and manufactures according to customer specifications. Since 1961, chomerics has been the primary force in the development and application of conductive elastomer technology in extruded, molded and rtv compound forms and with forminplace gasketing technology. Choform 5537 is a one component, moisture cured, electrically conductive, forminplace emi gasketing material. Applicants request the examiner to consider this reference as prior art under 102a, however, applicants respectfully reserve the right to supplement this information disclosure statement and take a contrary position should it be necessary.
Emi shielding theory theory of shielding and gasketing fundamental concepts a knowledge of the fundamental concepts of emi shielding will aid the designer in selecting the gasket inherently best suited to a specific design. Shield wrap mesh is designed to wrap easily 50% overlap recommended around cables and harnesses, and will reduce corona discharge in addition to providing emi shielding. In environments where corrosive coastal air, flooding, and high humidity are common, telecom equipment is more. Cellular structures from perforated metallic tape and its application for electromagnetic shielding solutions. They also accommodate low closure forces and help control the flow of air. Choseal 6502 and 6503, nickelplated aluminum particle nial filled silicone and fluorosilicone elastomers offer excellent initial and longterm. Parker chomerics molded conductive elastomer gaskets provide emi shielding and environmental sealing in nearly any application with hundreds of standard sizes. Parker hannefin, 77 dragon court, woburn ma 01888, 800 2251936. Emi impedance tape dpr series g this is a printable conductive paste using a specially formulated silver powder and silver flake as the conductive agent for superior performance in electric field and emi shielding. Emi shielding engineering handbook emi shielding engineering. Emi shielding contents section 1 emi shielding theory amount of current. Chomerics silver filled materials provide high shielding and conductivity critical for intercompartmental shields. Jun 22, 2010 chomerics, a division of parker hannifin corporation, has introduced a new line of emi gasket materials, developed specifically for high performance in adverse environments common to aerospace, automotive and telecommunication applications.
Emi shielding gasket construction parkerhannifin corporation. This handbook is a brief introduction to emi shielding theory, and presents basic criteria of importance during the planning, design, and construction of a typical facility containing an emi shielded enclosure. Available in corrosion and flame resistant materials, our moulded emi shielding gaskets provide. Shield wrap wire mesh emi emp shielding tape is produced as a twoply flattened cylinder of varying widths, loop spacings, wire sizes and metals. Offers a worldwide network of applications engineering support, manufacturing facilities, and sales offices. Parker chomerics choform 5526 emi shielding material. Electromagnetic shielding handbook for wired and wireless emc. Parker hannifin hiring compounds associate in woburn. We serve the electronics industry, specifically, telecommunications. The complete handbook and additional collateral information may be accessed at our. Parker chomerics choform 5537 emi shielding material. Emi shielding engineering handbook sealing devices. Available as a free download in pdf format, this essential guide aims to help design engineers in selecting the optimum emi gasket for the task in hand. This enhances the performance of your application and ensures years of continuous and costeffective service.
Pdf cellular structures from perforated metallic tape and. Emi shielding design guide, tecknit, 129 dermody st. Measurement facility supports engineering development and emi emc measurements and provides emi emc evaluation and certification testing of crew, flight, and ground support equipment including, but not limited to, communication, instrumentation, biomedical, guidance. When the distance is less than k2p, it is in the near field shielding and the theory based on the contribution of electric and magnetic dipoles is used for emi shielding. The companys growth and the expansion of the productsand services provided to our customers are reflected in thisemiemc engineering handbook.
Cellular structures from perforated metallic tape and its application for electromagnetic shielding solutions v. Gaier national aeronautics and space administration glenn research center cleveland, ohio 445 abstract graphite fibers intercalated with bromine or similar mixed halogen compounds have substantially lower. Selecting the right emi shielding material for your application can be challenging. These materials vary from emi shielding gaskets to shielding of military buildings, hospitals and air traffic control towers. Chomerics introduces new line of emi shielding gaskets in.
Available as a free download in pdf format, this guide aims to help design engineers in selecting the optimum emi gasket for the task in hand. They may eliminate the need for nickel or tin plating and or secondary environmental gaskets. At chomerics, we strive to provide our customerswith the best emi shielding products and services at the lowest cost, when and where you need them. Article contributed by gerard young, amimeche mieee, applications engineering team leader, parker hannifin, chomerics division europe. The companys growth and the expansion of the products and services provided to our customers are reflected in this emi emc engineering handbook. We encourage you to contact our applications engineering department for practical advice on product selection. Parker chomerics shield wrap knitted wire mesh tape, 1 x. Electromagnetic shielding handbook for wired and wireless emc applications the springer international series in engineering and computer science tsaliovich, anatoly on.
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