William L Benard wrote: > > Hello, > > Does anyone know of commercial vendor for CO2 release/supercritical > release systems? > > Thank-you, > > Regards > William Benard > Hi, if you mean supercritical drying to avoid microstructures sticking, there is a company Bal-tec AG PO Box 62 FL-9496 Balzers Principality of Liechtenstein tel ++41 75 388 12 12 fax ++41 75 388 12 60 that sells a CO2 apparatus with a small chamber, originally designed to dry biological samples for electron microscopy. They develop one for wafers, too. Tell them my best greetings Best regards Gerhard > -- Gerhard Lammel Institut de microsystemes Ecole Polytechnique Federale de Lausanne (EPFL) CH-1015 Lausanne, Switzerland tel: ++41 (0)21 693 65 73 fax: ++41 (0)21 693 59 50 email: Gerhard.Lammel@epfl.ch