Design007 Magazine

PCBD-Jan2015

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January 2015 • The PCB Design Magazine 47 while being lightweight and flexible, is be- ing trialed. • Earth's atmosphere offers the same protec- tion as a concrete layer four meters thick. • The most common defense against soft errors is error-correcting software. In ad- dition, multiple copies of data is stored in different locations in memory. Critical systems, like those on satellites or aircraft, complete hardware systems are built in triplicate. • Manufacturers of integrated circuits and sensors, intended for the military or aero- space markets, employ various methods of radiation hardening. • Printed circuit boards cannot be totally shielded against the impact of cosmic rays; however, we can take precautions to avoid interference from shorter wavelength ra- diation. • Embedding signals between the planes re- duces susceptibility to radiation, as well as providing ESD protection. For information on the ICD Stackup and PDN Planner, visit www.icd.com.au. PCBDESIgN References 1. Barry Olney: Beyond Design: Embedded Signal Routing 2. David Hambling: "Burnout," New Scientist, September 2014 3. Cygo.com: "Space Radiation Shielding" 4. Nasa.gov: Radiation shielding research 5. Wikipedia: Radiation hardening Barry olney is managing direc- tor of In-Circuit Design Pty ltd (ICD), Australia. This PCB design service bureau specializes in board-level simulation, and has developed the ICD Stackup Plan- ner and ICD PDn Planner software. To read past columns, or to contact olney, click here. ELECTROMAgNETIC SuSCEPTIBILITY continues beyond design realtimewith.com CliCk To View Video Interview rex rozario, executive chairman of Graphic PlC, and Giovanni Tridenti, Ceo of SoMACIS SpA, join guest editor Bob neves to discuss the success of Dongguan SoMACIS Graphic PCB Co. ltd. (DSG) in southern China. After nearly 10 years of cooperation and following the market, ef- ficiency is still a priority and the company recently invested $10 million on new equipment. European Industry Leaders Discuss China Partnership by Real Time with... HKPCA & IPC ExPo 2014

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