On Wed, 18 Jul 2001 22:16:10 +1200, you wrote: >I've got a few piezo discs to rework and need to find the best >way to attach a wire to the ceramic centre. The brass outer >ring is OK but solder (60:40 5-core) won't stick to the ceramic. >Any suggestions ? I could stick the wire down with aluminium >tape or silcone but that's not an ohmic bond and I expect it >would fail pretty quickly Use a low-melting point solder - this usually contains 2% silver. You need to use great care to avoid damaging the metallisation. Some liquid flux will also help. -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.