Time of Flight Instrumentation
Time-of-Flight Instrumentation Laboratory: a 910 square foot controlled access laboratory for testing of ion optics and the breadboarding and development of prototype multi-bounce time-of-flight (MBTOF) mass spectrometer (MS) instruments
- Class 100 laminar (back-to-front) flow hood
- ESD workbench
- Large working area
- Dry N2 purge cabinet
- Pump closet
- Several storage cabinets
Time-of-Flight Development Chamber
- Chamber door (front) hinged horizontally at bottom and opens to expose interior instrument ion optics in flat, horizontal plane
- Main Ion Chamber Dimensions: approximately 28” x 34” x 10”
- System pumping: 2 Pfeiffer HiPace 300l/s turbopumps
- Dry scroll pump
- Numerous available flanges at an assortment of chamber positions for electrical or mechanical feedthroughs
- Multiple viewports allow visual inspection of instrument filaments for instrument aliveness tests
- High purity nitrogen available for instrument purging
- All chamber venting done with high purity nitrogen
- Equipped with an Inficon 200AMU RGA
- Positioning system parameters
- Bakeable to 120 degrees C (limited by Viton chamber gasket
Nominal main chamber performance:
- Current base pressure: 3 x 10-8 Torr
- Reaches high vacuum in minutes
- Built in failsafe mechanisms to protect hardware
Materials prohibited both Ion and Electron chambers: nylon, silicone, PVC, low molecular weight hydrocarbons, zinc, cadmium, brass, particulate contaminated or producing items/mechanisms (blacklight inspection prior to chamber entry preferred)