Dr. Dongkai Shangguan,
Senior Director for Advanced Assembly and Environmental Technologies,
Flextronics Corporate Technology Group, San Jose, CA, USA,
Dongkai.Shangguan@Flextronics.com.
For leadfree solder alloys, based on considerations for toxicity, cost and availability, manufacturability, and metallurgical, chemical, physical and mechanical properties, the worldwide industry has converged on to the SnAgCu (SAC) eutectic alloy, based on earlier recommendation by iNEMI.
As we enter the postJuly 1, 2006 era, most of the large PCBA factories in the world are running leadfree soldering. However, challenges remain, and process optimization is essential, particularly for soldering and rework of large, thick boards.
In todays business environment, firms no longer compete on the possession of capitals and tangible resources. Instead, competition in the industry centers around technologies, capabilities, ‘know hows.
Bryan talks to Trevor Galbraith about why he believes that implementing a rigid strategy now will
strengthen Techcon Systems in these challenging times and beyond.
Package on package assembly features paste-only assembly or a combination of solder paste at board level and dip flux on the top row of ball terminations.