Download e-book for kindle: Advanced materials and design for electromagnetic by Xingcun Colin Tong

By Xingcun Colin Tong

ISBN-10: 1420073583

ISBN-13: 9781420073584

With electromagnetic compliance (EMC) now a significant component within the layout of all digital items, it is necessary to appreciate how electromagnetic interference (EMI) defensive items are utilized in a number of industries. concentrating on the practicalities of this sector, Advanced fabrics and layout for Electromagnetic Interference Shielding comprehensively introduces the layout guidance, fabrics choice, characterization technique, production know-how, and destiny power of EMI shielding.

After an outline of EMI protecting concept and product layout guidance, the booklet widely reports the characterization method of EMI fabrics. next chapters specialize in specific EMI protecting fabrics and part designs, together with enclosures, metal-formed gaskets, conductive elastomer and versatile graphite parts, conductive foam and air flow constructions, board-level defensive fabrics, composite fabrics and hybrid constructions, absorber fabrics, grounding and cable-level defensive fabrics, and aerospace and nuclear protecting fabrics. The final bankruptcy provides a standpoint on destiny tendencies in EMI protective fabrics and design.

Offering unique insurance on many very important themes, this essential ebook illustrates the potency and reliability of quite a number fabrics and layout recommendations for EMI defensive.

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Extra resources for Advanced materials and design for electromagnetic interference shielding

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D. EMI/RFI Shielding Guide. Pittsfield, MA: GE Plastics. Holmes, D. , and T. A. Lipo. 2003. Pulse Width Modulation for Power Converters. New York: John Wiley & Sons. Instrument Specialties. 1998. Engineering Design and Shielding Product Selection Guide (acquired by Laird Technologies). Delaware Water Gap, PA. Mardiguian, M. 2001. Controlling Radiated Emissions by Design, 2nd ed. Boston: Kluwer Academic. Molyneux-Child, J. W. 1997. EMC Shielding Materials. Oxford: Newnes. Montrose, M. I. 1999. EMC and the Printed Circuit Board.

11. 23) The methods for determining individual shielding effectiveness for various types of apertures are described next. 11 Effect of waveguide and apertures on shielding effectiveness. indd 20 10/10/08 10:56:36 AM Electromagnetic Interference Shielding Fundamentals and Design Guide 21 Conductive panel with apertures. 25) where w and h are slot width and height in mm; and t is the depth of slot, usually thickness of material in mm. 26) where w is length of slot (meters) and w > h and w >> t; l is wavelength in meters; and n is number of apertures within l/2.

On simple one- or two-layer PCBs, loops are formed by the logic signals being transferred from one device to another that return by means of the power distribution rails. Loops are also created by PCB traces or rails that supply power to these devices. Common-mode radiation results from voltage drops in the system that create common-mode potential with respect to grounding. In addition, parasitic capacitive coupling, a hard-to-control phenomenon that occurs between all conductive materials, makes external cables act like antennas.

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Advanced materials and design for electromagnetic interference shielding by Xingcun Colin Tong

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