PCB DESIGN
Who Were Preece and Onderdonk?
IPC-2152 was a major step forward in helping designers deal with current carrying capacity. But sometimes there is a power handling issue that falls outside the scope of IPC-2152. What we can learn from the first known research of the limits of copper conductors.
by Douglas G, Brooks, Ph.D. and Johannes Adam, Ph.D.
THE PROFESSION
PCB Designers ‘Flying the Plane’
The future of PCB designers isn’t just on the minds of those in the trenches; it’s also becoming part of the discussion at CAD vendor user group conferences. How one major OEM is attracting new blood to the design profession.
by Chelsey Drysdale
BASE MATERIALS
Microsectioning of Laminates
Microsectioning can be an extremely useful technique to inspect PCBs. However, incorrectly prepared samples can lead to wrong interpretation of the results. The best process is tailored for the components of the laminate or the boards.
by Karin Rudman Prieto, Ph.D., Peg Conn, Lizabeth Lagos and Charles Lehmann
CAVEAT LECTOR
You deserve a break today.
Mike Buetow
ROI
No end to talk on finishes.
Peter Bigelow