MCM 104 timeline


History of MCM 104


  1. ?-May-99: arrival at LANL, visually inspected
  2. ?-May-99: at LANL, glue output cable to MCM
  3. ?-May-99: sent to Pace to install surface mount components
  4. ?-May-99: visual inspection, no problems reported.
  5. 9-Jul-99: at LANL, failed MCM QA test (power-ground short).
  6. 16-Jul-99: visual inspection, then surface mount caps removed, short did not go away.
  7. 11-Aug-99: sent to Pace to have 4 surface mount caps replaced.
  8. 23-Aug-99: repeat MCM QA: failed again, no there is no short, but only 1/8 of channels work (AMU problems).
  9. 27-Aug-99: Probed surface mount components -- no problems seen.
  10. 21-oct-02: Quick retest showed all 3FF in data packet. HvH & TS


John Sullivan
updated 21 Oct 2002