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Advanced Materials and Design for Electromagnetic Interference Shielding ----Xingcun Colin Tong Electromagnetic compatibility (EMC) has been widely recognized as a part of electronic design, especially since implementation of the EMC directive (89/336/EEC) in 1992. National agencies in many countries have developed EMC standards and regulations to minimize the problems caused by failure to deal with electromagnetic interference (EMI). Historically, a concern about EMI can be dated back to military. products in the 1930s. Since then great efforts have been made to develop EMI shielding approaches. As digital devices appeared, EMI became a great concern. In the 1970s, problems associated with EMI and EMC design became an issue for products that were beginning to be used within the commercial marketplace. EMC is now a major factor in the design of all electrical products, and EMI shielding products have been widely used in the military, aerospace industry, and commercial marketplaces. With the development of EMC design and EMI shielding approaches, numerous textbooks and articles have been published that cover all aspects of theoretical physics related to EMC. However, comprehensive work devoted to the practicalities of EMI shielding materials and design is rare. To meet the need in this area, this book aims to comprehensively introduce the design guideline, materials selection, characterization methodology, manufacturing technology, and future prospective of EMI shielding. Chapter 1 gives the necessary overview of EMI shielding theory and product design guideline. Chapter 2 is an extensive review of the characterization. methodology of EMI shielding and materials used. Chapter 3 through Chapter 11 introduce particular EMI shielding materials and component designs, including enclosures, metal-formed gaskets, conductive elastomer and flexible graphite components, conductive foam and ventilation structures, board-level shielding materials, composite materials and hybrid structures, absorber materials, grounding and cablelevel shielding materials, and aerospace and nuclear shielding materials. Finally, Chapter 12 presents a perspective of future trends in EMI shielding materials and design. ÇëÒªÏÂÔØµÄÅóÓÑ»ØÒ»ÏÂÌù£¬²¢ÆÀ¼Ûһϡ£¡£¡£ http://www.namipan.com/d/Advanced%20Materials%20and%20Design%20for%20EMI%20shielding.pdf/f5e57b72d331c9503b45f09888ab200a377399a0ebcca300 [ Last edited by winnyang3320 on 2009-11-18 at 11:49 ] |
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