I wouldn't worry too much about the gold thickness but suppliers usually
section to demonstrate suitable control of nickel thickness. Thin nickel
causes terrible problems.
Is there a pcb supplier out there?
Rex 

-----Original Message-----
From: Leadfree [mailto:[log in to unmask]] On Behalf Of Kane, Amol (349)
Sent: 13 March 2007 11:18
To: [log in to unmask]
Subject: [LF] PCB plating Qualification

Dear Members,
Is anybody out there looking at statistical data (control charts, Cp,
Cpk values) of plating thicknesses processes for say, ENIG and
evaluating your board house/s on it? Are there any procedures (IPC or
otherwise) for doing so? what matrices can be reasonably achieved for
plating processes? If this analysis is looked it, is it just a one time
deal or is this a recurrent activity (like every 6 months or 1 year or
some other time period)

Wanted to know the general trend in the industry.

Thanks in advance,
Amol





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