[PCB_FORUM] Re: Vias too close to Gold plated edge connectors
- From: "Maqbool, Mashak (GE Energy)" <mashak.maqbool@xxxxxx>
- To: <icu-pcb-forum@xxxxxxxxxxxxx>
- Date: Mon, 28 Mar 2011 19:11:24 +0530
Hi,
Just close the mask for the Vias which are close to the Gold Fingers.
This will save you additional cost.
Regards,
Mashak Maqbool
________________________________
From: icu-pcb-forum-bounce@xxxxxxxxxxxxx
[mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] On Behalf Of Mark Salberg
Sent: Monday, March 28, 2011 7:00 PM
To: Cadence User Group
Subject: [PCB_FORUM] Vias too close to Gold plated edge connectors
Hi all,
Can anyone tell me concerns about vias being "too close" (.8mm or .031")
to gold plated edge connectors in PCB fabrication?
I know that vias "too close" will be plated Nickel / gold. Does this
create any concerns of integrity?
I would like to minimize redundant replies from vendors which delay the
delivery.
Any feedback is appreciated.
Thanks,
Mark
See image below.
We have a via keep out in our lib parts set to 20 mil above plated pins.
Our vendor response is as follows:
The via solder mask opening is too close to the gold fingers, so it will
be plated Ni, Au.
And also the via pad will have immersion gold when we are plating
surface treatment.
We suggest to cancel the via holes solder mask opening where the
distance is less than 0.8mm to the gold fingers.
Their suggestion is:
A. Accept our suggestion.
B. Follow Gerber, but accept the via pads will be plated Ni, Au.
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