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PCBD-July2015

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July 2015 • The PCB Design Magazine 65 6 The Composite Properties of Rigid vs. Multilayer PCBs Data sheets often provide data in iPC formats, which may look at properties in rigid laminates rather than thin lams and prepregs used for multi- layer PwBs. Plus, some product lines are manufac- tured with consistent resin content for all product thicknesses, thus maintaining dielectric properties while letting the mechanical properties be dictat- ed by the constructions and resin content. 7 kelly Dack Discusses his Recent Move i've known the Prototron staff for years, and worked with them for a number of years as well. So, when i heard they had hired Kelly Dack, a longtime PCB designer and guest editor for PCB- Design007, i wasted no time meeting with Kelly to talk about his new position, the future of PCB design, and the nascent interest millennials are showing in the PCB industry. 8 Freedom CAD Named Official Altium Service Bureau north american design and engineering firm Free- dom CaD Services has recently been named an official altium Service Bureau. altium's service bu- reaus are independent service providers that have been qualified to use altium products and solu- tions to service their customers and are listed on altium's website as an official service bureau. 9 Polar Talks Impedance Control and Insertion Loss Testing During iPC aPeX eXPo, i sat down with Polar in- struments product specialists Michael Bode and Geoffrey hazlett to talk about the company and its products and solutions. we also discussed some of the signal integrity technologies being enabled by the company, including controlled impedance and insertion loss testing. J ICD Releases 2015 Version of the ICD Stackup and PDN Planner in-Circuit Design Pty Ltd (iCD), australia, develop- er of the iCD Stackup and PDn Planner software, has released the 2015 version of their popular soft- ware. "The impedance plots are simulated by mul- tiple passes of the field solver (in the background) to create heads-up graphs of how to adjust the particular variables to achieve the target imped- ance," said Barry olney, Ceo. PCBDesign007.com for the latest circuit design news and information —anywhere, anytime. July 2015 • The PCB Design Magazine 65

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