Ezequiel,
I agree with Eddie's comments on the note callout.  You can also define
which holes are filled by specifying the note in the hole chart on your
drawing if you have one. (Specify the note next to which size holes you want
filled).  Talk to your supplier too to make sure it's clear.  Sometimes they
have ways they'd like to see things.

Kelly Hoyt- Hardware Design Engineer
BAE SYSTEMS Controls
600 Main Street- Room R52
Johnson City, NY 13790
Phone:  607.770.4765
Pager:          1.888.476.1647
Fax:            607.770.2056
mailto:[log in to unmask]



-----Original Message-----
From: Ezequiel Cruz [mailto:[log in to unmask]]
Sent: Monday, March 31, 2003 5:23 PM
To: [log in to unmask]
Subject: [TN] Silver Fill Plugged Vias / Gold Body


Could someone help me with the following.
I have a BGA with 5 mil (.127 mm) holes through the entire stack.
I need these silver filled plugged.
I need the correct call out for my notes on this procedure.

I also have a requirement to have this design finished in gold. My regular
board house calls this finish "Gold Body". However, I really need the
thickness call outs since this finish is being used for manufacturing and
reliability issues per the above BGA. But I also have an area for a mix
connector which should increase the thickness of the finish in that area
since these will be surface contact pads.

If there is anyone out there who can help me with these issues, I really
appreciate the feedback.

Thank You,
Ezequiel Cruz

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