Solder Paste Inspection
Is SPI the Yield Improvement Tool We’ve Waited For?
A number of articles and technical papers have been published on solder paste inspection, most making similar points. Why another? Perhaps because even today, many manufacturers still struggle to obtain significant yield improvements.
Matthew T. Holzmann
Humidity and Pollution Effects on Pb-Free Assemblies
Understanding the two major sources of climatic-induced failures helps toward preventing and minimizing potential failures.
Helmut Schweigart, Ph.D. and Harald Wack, Ph.D.
Apex: Exhilarating, Exhausting, but Never Dull
Attendance slipped, but all the new gear was a buyer’s paradise.
Design for Placement
Placement Machine Tolerances and Limitations
Together, the OEM and EMS provider can institute several steps to create a more effective assembly environment. It starts with DfA.
Pb-Free Soldering and Materials IP
Many companies are active in Pb-free soldering, and they are protecting their ideas via patenting. IBM leads the way.
Danny R. Graves
Focus on Business
Innovation’s myriad aspects.
Dr. Jonathan Linton
The changing PWB landscape.
Investigate the supplier, not just the equipment.
The “Four Horsemen of the Pb-free Apocalypse.”
Practices make perfect.
American Competitiveness Institute
Good soldering starts at design.
April’s Pb-free surprises.
Pb-Free Lessons Learned
Optimizing processes using DoEs.
Can cleaning harm products?
ESD keepout distance for 2000V products.
Panasonic’s CM602 placement machine.
On the cover: How metallization and operating voltage influence electrochemical migration. (Photo courtesy ZestronUSA)