Stereoscan: Difference between revisions
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* Roughing Pump: Edwards E2M-12 255 LPM two stage oil filled rotating vane pump [[File:Edwards_E2M2_to_E2M12_Users_Instruction_Manual.pdf]] | * Roughing Pump: Edwards E2M-12 255 LPM two stage oil filled rotating vane pump [[File:Edwards_E2M2_to_E2M12_Users_Instruction_Manual.pdf]] | ||
* Turbo Pump: Pfeiffer Balzers TPH 190 | * Turbo Pump: Pfeiffer Balzers TPH 190 | ||
:[[:File:Balzers_TPU-TPH_170.pdf|Pfeiffer Balzers TPU TPH 170 manual]] | |||
:Similar but smaller unit manual [[File:Pfeiffer_Balzers_TPH_TPU_110_.pdf]] | :Similar but smaller unit manual [[File:Pfeiffer_Balzers_TPH_TPU_110_.pdf]] | ||
:Table of pumps to compatible controllers [[File:Pfeiffer_table.pdf]] | :Table of pumps to compatible controllers [[File:Pfeiffer_table.pdf]] | ||
Revision as of 05:24, 26 August 2015
HacDC is in the process of refurbishing a scanning electron microscope: a Cambridge Stereoscan 200.
Current Status
Cleaning and assessment in progress.
July 18: Roughing pump works, turbo spins up to full speed. The vacuum controls operate but don't light up as expected, and the pressure readout is not showing a reading. The console turns on and produces video output with the correct data overlay. The filament control reads "bad filament," despite the filament continuity being OK. There is an interlock between the pressure gauge and console that may be keeping the filament off. We'll need to verify the pressure gauge output and see how to trigger that interlock.
See Stereoscan_Operators_Log for details.
Documentation
Manuals and Images
- Stereoscan 200 Operating Instructions
- Stereoscan Student Guide
- Vacuum gauge: Edwards Penning CP25-k: http://www.idealvac.com/files/manuals/Edwards_CP25K_Cold_Cathode_Gauge_Sensor_Manual.pdf
- Roughing Pump: Edwards E2M-12 255 LPM two stage oil filled rotating vane pump File:Edwards E2M2 to E2M12 Users Instruction Manual.pdf
- Turbo Pump: Pfeiffer Balzers TPH 190
- Pfeiffer Balzers TPU TPH 170 manual
- Similar but smaller unit manual File:Pfeiffer Balzers TPH TPU 110 .pdf
- Table of pumps to compatible controllers File:Pfeiffer table.pdf
- View of pump 1 Media:PfeifferTHP190_1.gif
- View of pump 2 (connector side) Media:PfeifferTHP190_2.gif
- View of pump 3 (other side) Media:PfeifferTHP190_3.gif
Original
757 Labs
Previous owners (757 Labs, another hackerspace) attempting repairs compiled some information at:
- http://757labs.org/2012/09/scanning-electron-microscope-update/ (archival link -- text only) (Internet Archive)
Additional Resources
- The original S200 operating instructions are available at the space in a three-ring binder near the machine.
- If possible, members will also have access to a PDF copy of Scanning Electron Microscopy - A Student's Handbook, 1980, self-published by Michael Postek, et al. This book was widely used by microscopists and is still regarded as a good learning reference, but the original binding is rare and prone to falling apart. It might be possible to use the PDF copy for private, educational use.
More Photos
Contacts
We'll have a list here of HacDC members who are responsible for the SEM, including people that should be notified about problems.
Mirage335 (talk) Custom electronic control replacement circuitry.
Plasma Dan K., plasma on IRC. SEM information, documentation, repair information, problems
Pages in category "Stereoscan"
The following 3 pages are in this category, out of 3 total.