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Ion Pumped Table Top Systems
![[Models PAP-560 and SS-560]](/Legacy/graphics/pf_man.gif)
Basic Systems and PyraFlat Access Ports
Thermionics has 30 years of experience in the design and fabrication of vacuum and gas-handling systems. We will draw upon our extensive knowledge of vacuum requirements, pumping characteristics, and specific gas-surface interactions to offer you:
- Systems which are properly and promptly engineered, designed and delivered and which will meet or exceed your performance requirements
- Systems which are manufactured from your drawings, from your sketches, or from a description of your operating requirements. (Final drawings will be submitted for customer approval upon request.)
- Assistance in the selection of components, valves, pumps, gauges, and control circuitry best suited for your exact application.
APPLICATIONS:
- Surface research (Auger, ESCA, SAM, SIMS, ISS, HEED, RHEED, LEED, etc.)
- Material studies
- High energy studies
- Thin film sputtering and evaporation
- Vacuum deposition
- Residual gas analysis
- Sputtering
- Beam lead/lines studies
- Space simulation
- Environmental testing
- Furnaces
- Tube processing
- Friction studies
- Shadow casting
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PUMPING
- Roughing--dual sorption
- Ion pumps--choice of diode, noble diode (differential pumping), hydrogen diode, triode
- Sublimation--4 spiral filaments
- Cryoshroud--Model 300 or Model 560
BASEPLATE
- Combination wire seal and Viton® L gasket; size dependent on stack diameter.
FEEDTHROUGH PORTS
- 9 each 2-3/4" x 1-1/2" CF type located below poppet valve.
POPPET VALVE
- Hand operated, Viton® sealed. Isolates pumping stack from chamber.
BAKEOUT
- 250°C(limited by elastomer). Consult factory.
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PyraFlat Access Port and Model 560 Cryoshroud
The PyraFlat access port provides ready access to the inside of your pumping stack by means of a 10-1/2" x 7-1/4" rectangular PyraFlat flange which incorporates the Varian ConFlat® flange sealing principle.
The PyraFlat access port minimizes maintenance and repair downtime. Presently, it can take days or weeks to service your pumping stack, because the only access for purposes of maintenance or servicing is through the poppet. If you haven't gone through the process of removing the bell jar, associated plumbing, and instruments, just check with someone who has. As one user said, "We all know that accidents happen. Somebody drops a sample down the valve or a pump shorts. What we cannot afford is a week's shutdown for a complete disassembly." The PyraFlat access port offers the perfect solution.
The PyraFlat Advantage
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The 10-1/2" x 7-1/4" PyraFlat port provides sufficient access to the inside of the pumping stack to allow easy servicing of the pump and poppet areas. You can remove and service the poppet and the pump elements without disturbing the bell jar, associated plumbing, instruments or your work. |
Second |
The larger opening lets us put a larger cryopanel in the system. Our Model 560 has 560 sq. in. of cooled surface as compared to 500 in2 for competitor A, and approximately 200 in2 for competitor B. |
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