Hi Stefan, Thanks a lot for replying. I was going through the diInnova SPM manual, page 189 Nanolithography section, where I saw the anodic oxidation "chip" carrier and its connection to the stage. I am sorry, I mistyped it as "stage carrier". http://www.brukerafmprobes.com/a-3449-00-107-0142.aspx The student who uses the equipment