Hi all -- Raja informs me that we are down to the last 1/2 bottle of 50:1 HF now. We'll make up some more this afternoon around 3 pm. If anyone wants to join in on the fun, we'll be at wbgaas. Mary -- Mary X. Tang, Ph.D. Stanford Nanofabrication Facility CIS Room 136, Mail Code 4070 Stanford, CA 94305 (650)723-9980 mtang at stanford.edu http://snf.stanford.edu