Filip Bergh wrote:
-------------------------------
I can't use the 60640 (60645) chip. I need a transparent surface for some applications.


Filip, as far as I have looked at these chips, they are able to work through several mm. of material. You could make a "box" with a transparent front (made from acrylic or polycarbonate; also available from Farnell) and the sensorboard behind it with a small space inbetween, into which you could slot your "button drawing".

Just a thought... :o)

Best regards,
Rob.