Transene Company manufactures Nickel Etchant TFB (best for evaporated nickel) and Nickel Etchant TFG (best for plated nickel) which will meet your need. Please visit our website www.transene.com or contact me directly. Christopher Christuk Transene Company Tel: 978 777 7860 Email: [email protected] -----Original Message----- From: thierry.bouchet [mailto:[email protected]] Sent: Tuesday, September 16, 2003 12:47 PM To: General MEMS discussion Subject: [mems-talk] etching Ni Hello, I would like to etch Ni without etching silicon and SIO2. Is there any solution ? Regards Thierry Bouchet R&D engineer IBS Rue gaston Imbert prolongée tel: 04 42 53 89 64 fax: 04 42 53 89 59