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Regular Columnist Dongkai Shangguan

Dr. Dongkai Shangguan, Senior Director for Advanced Assembly and Environmental Technologies, Flextronics Corporate Technology Group, San Jose, CA, USA, Dongkai.Shangguan@Flextronics.com.



7.2 – iNEMI Board Assembly Roadmap PDF Print E-mail
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Written by Dongkai Shangguan   
Tuesday, 20 March 2007

In November 2006, I was honored to be elected a Distinguished Lecturer by the IEEE CPMT Society.

 
7.1 – Lead–free solder alloys PDF Print E-mail
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Written by Dr. Dongkai Shangguan   
Wednesday, 14 February 2007

For lead–free 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 Sn–Ag–Cu (SAC) eutectic alloy, based on earlier recommendation by iNEMI.

 
6.8 – Challenges in lead–free soldering PDF Print E-mail
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Written by Dongkai Shangguan   
Friday, 27 October 2006

As we enter the post–July 1, 2006 era, most of the large PCBA factories in the world are running lead–free soldering. However, challenges remain, and process optimization is essential, particularly for soldering and rework of large, thick boards. 

 
6.7 – Technology Roadmapping: know what and when PDF Print E-mail
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Written by Dongkai Shangguan   
Tuesday, 19 September 2006

In today’s 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’. 

 
6.4 – Further study needed on backward compatability PDF Print E-mail
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Written by Dongkai Shangguan   
Monday, 01 May 2006
One of the intriguing topics under discussion in the industry is ‘backward compatibility’.
 
6.3 – Design for manufacturing in global outsourcing environment PDF Print E-mail
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Written by Dongkai Shangguan   
Wednesday, 01 March 2006
‘Design for manufacturing’ (DFM) has been an area of great importance to the electronics industry for many years.
 
6.2 – Lead–free solder interconnect reliability PDF Print E-mail
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Written by Dongkai Shangguan   
Wednesday, 01 February 2006
As we put more lead–free electronics products on the market, the issue of reliability is up–most on many people’s minds.
 
6.1 – Lead–free soldering and environmental compliance PDF Print E-mail
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Written by Dongkai Shangguan   
Monday, 02 January 2006
In this column a year ago, I stated that "the transition to lead–free soldering is taking place worldwide, and the train has left the station." 
 

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