Preventing MLCC Failures
Mechanical anomalies can cause electrical failure in MLCCs. Many defects - including cracks caused by panel separation - can be uncovered by first performing acoustic imaging on unassembled parts.
By Tom Adams
Oven Adjustment Effects on a Solder Reflow Profile
A recipe that works for one board won't necessarily work for another board if the weight or design is significantly different. This study found that of the three oven adjustments, zone set points have the biggest effect on peak temperature and TAL.
By Fred Dimock
More than Just a Look
SPI market leader Koh Young is shrugging off the recession and taking Europe head on. Circuits Assembly visits the OEM to learn why now, and to get an in-depth look at its new 3-D AOI machine.
By Mike Buetow
On the Cover:An acoustic image of an MLCC containing a single void.