Friday 9 August 2013

Retronix carries out successful underfill removal from a cellphone pcb

Retronix recently carried out successful underfill removal from a cellphone pcb that had to have a chip replaced, however the pcb was underefilled. Also the chip was under a can and was densely populated



We removed the can, then the damaged chip, then the underfill that was under the chip, and surrounding it.
After cleaning up the pads we replaced the chip and tested the pcb. When it passed we replaced the underfill, replaced the can and retested it to ensure the fix was successful



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