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PCB Finish Requirement
20.6
PCB Finish Requirement
For a more reliable BGA assembly process, use HASL finish on PCB. EMNI AU finish is not
recommended. When EMNI AU finish is used on PCB, brittle intermetallic fractures occasionally occur at
the BGA pad–to–PCB pad solder joint.
20-6
MC68VZ328 User's Manual
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