What are your parts made out of? It's not so easy to know.
Pb-Free Printing Parameters
Understanding Pb-Free Stencil Requirements
This study of what happens when the process window is intentionally violated finds engineers should worry more about the effects of stencil geometries than a centered Pb-free print process.
Integrating AOI and Selective Soldering
A breakthrough machine for PTH mass soldering combines AOI and selective soldering in a single inline unit. How it works, and the business case behind it.
Mark Cannon, Bob Klenke and Phil Zarrow
EMS RoHS Models
Outsourcing RoHS-Compliant Production at a Distance
How Beyonics tackled the Pb-free transition, and auditing advice for overseas customers.
Eric Liew, Fadzol Zaman and Sivakumar Thanupillai
Supply Chain Solutions
The Supply Excellence Project at Ericsson and Solectron
Blending Lean and Agile concepts cut lead times by 75% on a complex, custom telecom product.
Ylva Andersson, Jan Melin, Rolf Broström, Lindsay Ballantyne, Dave Cooper and Lennart Ivarsson
The Future of PCB Procurement
The battle for supply-chain ownership pits distributors vs. EMS firms.
Solder Joint Reliability
Crack Growth Rate Measurement and Analysis for WLCSP SnAgCu Solder Joints
Using FEM, cracking is correlated with average inelastic strain and strain energy density.
Paresh Limaye, Bart Vandevelde, Dirk Vandepitte and Bert Verlinden
Pb-Free Wave Soldering
Dynamics in Pb-Free Wave Soldering
A five-phase study of fluxes and convection preheating related to three Pb-free alloys revealed a few unexpected twists.
R.A. Szymanowski, D. Casati, E. Saglia, P. Lotosky, K. Howell and G. Hueste
Cookson gets reworked.
Valor's Chuck Feingold and David Bengal.
Focus on Business
Sustaining profitability through services.
Dr. Jonathon Linton
How to kill business by not even trying.
On the Forefront
The "magic mix."
Dr. Ken Gilleo
Z-axis support options.
When profiling is a good thing.
A primer on x-ray fluorescence.
American Competitiveness Institute
Mitigating common Pb-free defects.
Countdown to Pb-Free
Don't bank on an RoHS extension.
Are your cleaning processes in control?
Juki's selective soldering series.
On the cover: The influence of aperture designs on Pb-free assembly. (Cover photo courtesy of DEK. Inset courtesy of ERSA.)