> Hi Leo, working to IBM as mainframe engineer sometimes we use to fix > some computer terminal keyboards (at that time we needed to open > keyboards and fix them ), You are referencing to the 3277/78 and 3741/42 capacitive keyboard??? Do you remembre the first E.C. that ship a semitrasparent membrane to install betweem the keyboard plate assembly (black) and the key?? he he he ... also I was an IBM man on 370/115, 125, 135, 138, 148, 4331 and 4341and all related I/O. Was a great time... Ciao Leo