Hello Andrea Are you looking for an isotropic or anisotropic etch. XeF2 can be used to dry etch Ge isotropically. If you would like to try it please let me know and we can run some samples at XACTIX. Regards David Springer XACTIX Inc. 2403 Sidney St. Suite 300 Pittsburgh, PA 15203 Tel: 412 381 3915 Fax: 412 381 1136 > Hi All, > Is there anyone able to realize germanium dry etch ? > Best regards, > Andrea