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Designing HDI in Allegro X

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Author Kirsch Mackey

Discover a complete HDI design workflow in Allegro X, covering constraints, stackups, BGA breakout strategies, microvia configurations, and SI/PI validation for precise results.

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This comprehensive guide to HDI design walks you through every step of the process in Allegro X, from setting up constraints and stackups to optimizing BGA breakout strategies and ensuring fabrication-ready outputs. Gain insights into microvia configurations, SI/PI validation, and advanced routing techniques to tackle even the most complex HDI challenges with confidence. 

About the Author

Kirsch Mackey is an electrical engineer, educator, and content creator with over 15 years of experience spanning power systems, control systems, electrical systems, embedded programming, PCB design, power electronics, and high-speed digital systems. As founder of HaSofu and former adjunct professor, he developed the MESH method—a structured approach to high-speed PCB design that has helped students land roles at companies like Apple, Intel, Cisco, Garmin and Amazon in months rather than years. Drawing from industry experience at Intel and beyond, Kirsch bridges theory and practice through technical writing, courses, and hands-on workshops that make complex engineering concepts accessible and actionable.

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