Does a Differential Pair Need a Return Plane?

A differential pair is any two transmission lines. When each transmission line has a return plane, its pretty clear how the differential impedance is related to the geometry. But what if there is no... [more]

PCB Design and Assembly Process Strategy for High Density CSP, WLP, 2D and 3D Semiconductor Package Technology

Topics covered: 1. BGA/CSP process technologies and standards; single die BGA and FBGA packaging, flip-chip and die-size package technologies, wafer level packaging (WLP), fan-out wafer-level... [more]

Next-Generation Materials: High-Speed, RF and HDI Designs

With this presentation, attendees will learn how materials matter in the 5G-world. From rigid laminates, copper styles and properties, flex materials, sintered paste OrMet for any-layer vias: all... [more]

How to Save Up to 25% on Your PCB Purchases

Are your PCB buyers staying competitive in the face of COVID-19 restrictions, increased raw material and precious metal costs, rising freight prices, and a less competitive U.S. dollar? What is... [more]