Saturday, June 23, 2018
Publication Date: 07/1/2009
Archive >  July 2009 Issue >  Special Features: Assembly and Packaging > 
Using In-Line Cleaners for MIL PCBs

Conventional in-line cleaning is giving way to specialized spray in-line cleaners for certain applications that have stringent environmental and MIL reliability requirements.Read More
Lead-Free HASL Growing in Popularity

The wisdom traditionally expressed in the lead-tin solder days by advocates of the hot air solder leveled (HASL) board surface finish was "nothing solders like solder". Since this dictum applies equally in the lead-free era, the question that has to be asked is why there was ever any ...Read More
Solder Fumes — Stopping the Pollution

With new environmental regulation such as the European RoHS (Restriction of Hazardous Substances) and REACH (Research, Evaluation, Authorization of Chemicals) in the headlines, it is difficult not to notice that everyone is "searching for a safe society" to work and play in.Read More
Solving a Solder Wicking Problem

The complex science of soldering keeps getting even more complex. While the underlying scientific facts are the same for the various soldering processes, each process presents its own unique issues and challenges to the production engineer — in addition to dealing with the inherently ...Read More
Parameters for Stacking POP Modules

In a never-ending process, designers of handheld products or wireless communication devices continue to build increased functionality into smaller electronic devices. While transistor densities approach the physical limits of miniaturization, the 3rd dimension has become the new frontier ...
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