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* "TV Mini-SEM (R)" by ISI (International Scientific Instruments) | * "TV Mini-SEM (R)" by ISI (International Scientific Instruments) | ||
* lives in the room that used to house the laser cutter | * lives in the room that used to house the laser cutter | ||
* is tended by Alan Rockefeller | * is tended by Jeffrey Miller, Alan Rockefeller, Chris and Jim and the rest of the [https://www.noisebridge.net/mailman/listinfo/sem SEM mailing list] | ||
=== Warnings === | === Warnings === | ||
# If you release the vacuum without venting the pump hose, pump oil will flood the chamber and contaminate the entire mechanism, requiring 10 hours of cleanup. | # If you release the vacuum without venting the pump hose, pump oil will flood the chamber and contaminate the entire mechanism, requiring 10 hours of cleanup. | ||
# If you vent air into the column without powering down the filament, you'll probably destroy the filament ($100) | # If you vent air into the column without powering down the filament, you'll probably destroy the filament ($100). | ||
=== Startup procedures === | === Startup procedures === | ||
# | # Get the power cord from Mike. | ||
# See PDFs on vacuum start up and operators manual linked below. | # See PDFs on vacuum start up and operators manual linked below. | ||
=== Todo list === | === Todo list === | ||
Short Term: | Short Term: | ||
# Isolate vibration from external sources; buses, people, etc. | # Isolate vibration from external sources; buses, people, etc. See Repair and Enhancement notes below. (2010-12-12) | ||
# Create/obtain specimen stage clamp or spring to prevent specimen vibration. (2010-12-12) | # Create/obtain specimen stage clamp or spring to prevent specimen vibration. (2010-12-12) | ||
# Obtain some sputter coated specimens. (2010-12-12) | # Obtain some sputter coated specimens. (2010-12-12) | ||
Long Term: | Long Term: | ||
# Column liner needs to be replaced. Larry may be able to provide a clean liner. (2010-06-15) (update: Larry has taken column liner to his lab for cleaning)( | # Column liner needs to be replaced. Larry may be able to provide a clean liner. (2010-06-15) (update: Larry has taken column liner to his lab for cleaning) | ||
# | # Build digital capture stage to replace CRT mechanism (2010-06-15) | ||
# Replace 8.4" slow scan CRT with slow scan XGA LCD? (see above) | |||
# Build sputter coater for specimen preparation (2010-06-15) | |||
# Test repair of X Stigmator circuit. Replaced 741 op amp. (completed, work began 2010-11-20, tested 2010-12-10) | # Test repair of X Stigmator circuit. Replaced 741 op amp. (completed, work began 2010-11-20, tested 2010-12-10) | ||
# Adjust vertical overscan of CRT (completed 2010-12-12, including hack sawing access port to overscan potentiometers in the CRT module) | # Adjust vertical overscan of CRT (completed 2010-12-12, including hack sawing access port to overscan potentiometers in the CRT module) | ||
# Fix 2x magnification toggle switch (2010-12-12) | # Fix 2x magnification toggle switch (2010-12-12) | ||
# Diagnose and repair barrel distortion and occlusion at low magnification (2010-12-12) | # Diagnose and repair barrel distortion and occlusion at low magnification (2010-12-12) | ||
# Sew dust cover (2010-12-12 | # Sew dust cover (2010-12-12) | ||
# Rubber grommet around edge of CRT potentiometer port needed | # Rubber grommet around edge of CRT potentiometer port needed | ||
=== Repair and Enhancement Notes=== | === Repair and Enhancement Notes=== |