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40 The PCB Design Magazine • August 2017 Happy's Essential Skills: Tip of the Month— The NIST/SEMATECH e-Handbook of Statistical Methods In the 1990s, the National Bureau of Standards was distributing a popular statistical document, Handbook 91. A request by Patrick Spagon of the Statistical Methods Group of SEMATECH to update the NBS Handbook 91, Experimental Statistics, has resulted in a new web-based statistical handbook including statistical software. The Significance of the PCB in the Value Chain of the European EMS Industry At SMT Nuremberg, Pete Starkey meets with Di- eter Weiss, who comments upon the significance of the PCB in the value chain of the European EMS industry, and looks to a future where we embrace an open-minded attitude and a willingness to work together. Megasonic Acoustic Surface Treatment Process for Enhanced Copper Electrodeposition in Via Interconnects A printed circuit board is populated with a multi- tude of electro-mechanical components plus vari- ous active and passive devices such as transistors, capacitors, inductors and resistors, which enable the functionality and assembly of the PCB. Review of the 2017 IPC Reliability Forum IPC continues to lead our industry by example with their inaugural Reliability Forum, held in Chi- cago in April. The event was focused on manufac- turing high-performance products and featured industry royalty from both a speaker and audience standpoint. Jill Scadden Joins Advanced Circuits as Business Development Manager Advanced Circuits welcomes Jill Scadden as busi- ness development manager. She will be respon- sible for discovering new business opportunities and enhancing Advanced Circuits' offerings by working closely with customers and prospects to create customized solutions for their unique PCB fabrication needs. Weiner's World—June 2017 On the return from Hong Kong last week I had the good fortune of meeting an officer of Allegro Microsystems and enjoyed a wide-ranging discus- sion with him. One of the "take home" items was concern about an expanding shortage of rare earth metals used to make ICs for the burgeoning auto- motive sensor market. Mr. Laminate Tells All: PTFE is about to be Banned by IEC TC111 Technical Committee 111 of the International Elec- trotechnical Commission (IEC) is preparing to effec- tively ban PTFE (polytetrafluoroethylene) materials from electronics. As history goes, the electronics in- dustry has focused on only two of the four halogens (bromine and chlorine) to be limited to be called "halogen-free" or more accurately "low-halogen." EPTE Newsletter: Transparent Flex Circuits, Stretchable Flex Circuits Most of the products on display at the JPCA Show were related to electronics, the electronics indus- try, packaging and electronic circuits. Flex circuit manufacture and material companies that featured flexible circuits at the exhibition focused their at- tention on transparent flex circuits and stretchable flex circuits. One World, One Industry: Three Ways to Close the Skills Gap in U.S. Manufacturing The skills gap is a chronic problem in the manufac- turing sector. Most manufacturing companies have a hard time aligning the talent needed to run their businesses with the talent that is available to work locally. And as new innovations emerge, new skills requirements emerge as well. All About Flex: Etchback on Type 3 and Type 4 Flexible Circuits Through-hole etchback is a requirement that is sometimes specified on medical, military and aero- space procurement documents for multilayer flex- ible circuits and combination multilayer flex/rigid board circuits. It specifically relates to the copper plated through-holes and the relative dimensions between the dielectric layers and copper layers. PCB007 Highlights

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