Use teflon tape under battery holder at assembly time?
Joe W

On 10/13/2011 9:32 AM, Oli Glaser wrote:
> Hi all,
>
> I have a small project that uses a couple of coin cell battery holders:
> http://uk.farnell.com/keystone/3003/retainer-coin-cell-20mm-pk5/dp/908654
>
> The negative contact is provided by a pad about a third the area of the
> battery on the PCB.
> Space is quite tight, so I was thinking about running some traces
> underneath the battery near the negative contact.
> My worry is about the solder mask breaking down and shorting the traces
> to the underside of the battery, especially with repeated battery
> changes (although this should be infrequent, perhaps once every six month=
s)
> I will probably just fiddle about and find a way to route around, but I
> would like to hear any thoughts as to whether this would be "safe" to
> do, and how resistant solder mask generally is.
> Thanks.
>

--=20
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