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May 2005

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Subject:
From:
James Hofer <[log in to unmask]>
Reply To:
James Hofer <[log in to unmask]>
Date:
Thu, 12 May 2005 09:06:30 -0700
Content-Type:
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text/plain (70 lines)
I think that was clear. I would only suggest a tolerance applied to the
overall thickness. Most shops should be able to build that with out any
problems.

Regards,

James Hofer
Director of Operations
Accurate Circuit Engineering
3019 S. Kilson Dr.
Santa Ana Ca. 92707-4202
714-546-2162 work
714-473-6127 cell
[log in to unmask]
----- Original Message -----
From: "Richard" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, May 11, 2005 11:29 PM
Subject: [TN] Thick PCB Fab Construction Question


> Hi,
> This is a question to all the fab people.
> My project requires a PCB that will have a finished thickness of 4.7 mm.
I
> haven't found anyone who has a standard thickness very close, but know
that
> it's possible to build much thicker boards.  What is the best way to call
> out such a construction?
>
> The other significant details are:
>
> - 2 layers, 1/2 oz. cu
> - No plated through holes
> - Gold flash finish, no soldermask
> - Material will be in two versions, one FR4 and one in a hi-freq.substrate
> - Boards will have an additional "cover" substrate layer laminated over
the
> top, but this is not included in the 4.7 mm thickness
>
> I hope that was clear enough.
>
> Thank you very much for any light you can shed on this.
> Richard
>
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