Thanks to all who responded.  It appears 4oz (5.5 mils; 140um) is commonly
doable, but thicker may be harder to support.

Jeff Condit

----- Original Message ----- 
From: "Rich Thompson" <[EMAIL PROTECTED]>
To: "'Protel EDA Forum'" <[EMAIL PROTECTED]>
Sent: Friday, September 03, 2004 12:23 AM
Subject: Re: [PEDA] Thickest Copper


> Jeff
>
> 2 oz standard stock here too, though they will plate up to 4oz if needed
> with no problems.
>
> Rich
>
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
> Sent: 02 September 2004 21:12
> To: [EMAIL PROTECTED]
> Subject: Re: [PEDA] Thickest Copper
>
> Jeff,
>
> 2 oz. However, I have a friend out in Mentor OH who's company is a
contract
> mfg, and if my memory serves me correctly, they routinely overplate and
fab
> to 4oz or better, as they serve the heavy industrial market (folks like
> CAT...) Definitely not proto quantities, however...
>
> aj
>
> >-----Original Message-----
> >From: Jeff Condit [mailto:[EMAIL PROTECTED]
> >Sent: Thursday, September 02, 2004 1:13 PM
> >To: Protel EDA Forum
> >Subject: [PEDA] Thickest Copper
> >
> >Provided you have wide spaces between traces, what is the thickest
> >copper (internal/external foil/plating) commonly acceptable to your Fab
> >houses?
> >
> >Jeff Condit
> >
>
>
>
>
>
>
>





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