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74 The PCB Design Magazine • October 2017 1 Predictive Engineering: Happy Holden Discusses True DFM Happy Holden has been in- volved in DFM for over 45 years, since he first started working at HP and optimized their PCB design and manu- facturing processes. Natural- ly, for this issue, Barry Matties and Andy Shaughnessy made it a priority to get Happy's thoughts on DFM, and what true DFM entails. 2 New EMA Constraint Manager for OrCAD Brings True Collaboration to the Design Process Constraint Man- ager for OrCAD stores constraints in the OrCAD Capture design file, so there is no need to manage constraints and designs. Since some constraints are dependent on layout specifics, Constraint Manager for OrCAD integrates with the Allegro Constraint Manager to share constraint information. 3 The Shaughnessy Report: Mistakes Were Made We started planning the August issue with a survey sarcasti- cally titled, "Whose fault is that bad board?" We asked a variety of questions re- garding how the cause or causes of failure were determined, and what compa- nies do to keep from making the same mistake again. We asked the question "If a board fails in the field, whose fault is it, typically?" Check out some of the answers. 4 New Cadence Allegro DesignTrue DFM Technology Accelerates New Product Development and Introduction Process Cadence Design Systems announced Cadence Allegro DesignTrue DFM technology, the indus- try's first solution to perform real-time, in-design DFM checks integrated with electrical, physical and spacing DRCs. The innovative new technolo- gy, integrated into the Allegro PCB Editor, enables PCB designers to identify and correct errors imme- diately, long before manufacturing signoff. TOP TEN Recent Highlights from PCBDesign007

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