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Re: gEDA-user: Solder mask clearances for SMD devices

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Subject: Re: gEDA-user: Solder mask clearances for SMD devices
From: Александр Гвоздев <alexander.gvozdev@xxxxxxxxx>
Date: Wed, 3 Feb 2010 03:34:23 +0300
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2010/2/3 Luke <hazelnusse@xxxxxxxxx>:
>   Can anybody point me to guidelines for the solder mask clearances used
>   for SMD devices?Â  I haven't been able to find it mentioned in device
>   spec sheets or in the manufacturer capability specs from places like
>   batchPCB.com, PCBexpress, etc...Â  From what I have read, it seems like
>   'a few thou' is good.Â  Just to be sure, this is a few thou between the
>   edge of the pad/pin and the solder mask?Â  Does anybody with experience
>   have a good recommended value that they know works well for devices
>   that have pads with 35 thou (0.035") between the edges of the pad?
>   I was thinking of going with 3 thou (0.003") for my solder mask.
>   Thanks a bunch!
>   ~Luke
i'm using 0,1 mm clearanse. All ok. But, as i know, this parameter
defined by manufacturer.


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References:
- gEDA-user: Solder mask clearances for SMD devices
  - From: Luke

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