[sdiy] Help! What protective coating on older Buchla touch keyboards

[jays at aracnet.com]

To me it seems more like some form of resin/epoxy. On the 112 that I
have (in the process of being refurbished) it looks to be something that
is about 1/32 to 1/16 thick and is solid.

Jay S.


On Mon, 12 Nov 2012 09:58:54 -0800, Dave Leith <dave.leith at gmail.com>
wrote:
> Does anyone know what coating was painted over an older Buchla Touch
> Keyboard (like the 216 or 112)?
> 
> The circuit seems to be sensitive to what material was used. Too thick
> is OK for pressure sensitivity but poor for triggering, no coating has
> good triggering but no real finger pressure range.
> 
> Thanks Dave
> _______________________________________________
> Synth-diy mailing list
> Synth-diy at dropmix.xs4all.nl
> http://dropmix.xs4all.nl/mailman/listinfo/synth-diy