Here are links to websites that we hope you will find useful:

 

PCB Trade Organizations

IPC
RTP Chapter of IPC Designers’ Council
Surface Mount Technology Association
Underwriters Laboratories

EDA, CAD, CAM Vendors

Mentor Graphics Free PADS viewer
Cadence Free Allegro viewer
TSI EDA
EMA EDA
GraphiCode Free Gerber viewer
Autodesk Free mechanical viewer
SolidWorks Free 3D viewer

Electronic Design Tools

Polar Instruments Controlled Impedance and Stackup tools
Thermal Man, Inc. Current Carrying Capacity solutions

Bare Board Companies

PCSM
Sierra Proto Express

PCB Assembly Companies

Catalyst Manufacturing
ProTronics

PCB Footprints

Xilinx footprint drawings

EMC

Research Triangle Compliance Engineering

Electronic Components

Digikey
Mouser

Universities

North Carolina State University
NCSU Centennial Campus
Duke University