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February 2013

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Subject:
From:
Jason Zhao <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Jason Zhao <[log in to unmask]>
Date:
Thu, 28 Feb 2013 11:30:59 -0600
Content-Type:
text/plain
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text/plain (61 lines)
As a board manufacturer, the note makes sense that I can start with half oz
copper and plate PTH per normal class 2 requirement. However it is not the
best way to write the plating note. I would rather specify 1) Base OR
Finished copper thickness, 2) PTH copper thickness. 

Best Regards,

Jason Zhao
VP of North America Operations
Sunshine Circuits
3400 Silverstone Drive, Suite 139, Plano, TX 75023
US Cell 510-468-4412, China Cell 131-62722392
www.sunshinepcbgroup.com

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Wayne Thayer
Sent: Thursday, February 28, 2013 11:01 AM
To: [log in to unmask]
Subject: Re: [TN] Notes in PCB Fabrication

Maybe.  Do they state a requirement for how much plating goes onto the via
walls? 

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of JF
Sent: Thursday, February 28, 2013 11:45 AM
To: [log in to unmask]
Subject: [TN] Notes in PCB Fabrication

Hello All!

I'm having a curious note in a fabrication drawing and I would like to know
if it makes sense.

"1.0oz FINISH (0.5oz COPPER + 0.5oz PLATING)"

And somewhere else in the notes, ENIG is specified...

Ideas?

JF

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