Friday, July 29, 2016
VOLUME -24 NUMBER 7
Publication Date: 07/1/2009
Advertisements
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.
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 ...
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.
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 ...
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 ...

 
 
search login