Hi All,

 

If the HASL process equipment is vertical, what are the key points to get more flat HASL final finish for PCB? The blowy knife(风刀) setting, flux in the precondition, Sn/Pb content or other?

 

Thank you very much!

 

Best regards,

Nora Li 李娅婷

Senior Field Quality Engineer

                                      Honeywell Aerospace *

Office Tel: 86-755-25181226 ext.837

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