EMS MATERIALS SCIENCE & METROLOGY CATALOG 2019–20 EDITION EQUIPMENT & ACCESSORIES
PP3010T Cryo-SEM/Cryo-FIB/SEM Preparation System
PRODUCT DESCRIPTION
The PP3010T is a highly automated, easy-to-use, column-mounted, gas-cooled cryo preparation system suitable for most makes and models of SEM, FE-SEM and FIB/SEM.
KEY FEATURES
High resolution performance on SEM, FE- SEM and FIB/SEMs
Totally gas cooled, including cryo preparation chamber – no boiling nitrogen on the SEM
Efficient cooling (down to at least -190°C)
24 hours plus run times on one fill of LN2 are typical – allowing unattended overnight operation (at typical operating temperatures)
Large recipe driven touch-screen interface
Automated sublimation, coating and system start up
Superb specimen visibility (including preparation chamber CCD camera)
Fully compatible with SEM beam deceleration/stage bias modes up to 5kV
Off column cooling and pumping systems – minimum mass on the SEM
On-screen data logging and diagnostics Pumped storage of the cryo transfer device
Prepdek™ workstation – self contained work area, extra bench space not required
Cryo workflow options Specialist support and three-year warranty
The PP3010T has all the facilities needed to rapidly freeze, process and transfer specimens. The cryo preparation chamber is turbomolecular pumped and includes tools for cold fracturing, controlled automatic sublimation and sputter coating. After processing, the specimen is transferred from the cryo preparation chamber onto a highly stable SEM cold stage for observation. Cold trapping in the cryo preparation chamber and SEM chamber ensures the whole process is frost-free. Specimen process times are typically between five and ten minutes.
PRODUCT FEATURES Workstation
Mounting, Freezing and Transferring Specimens – Easy with the Prepdek™
The PP3010T Prepdek™ workstation is fitted with a slushy nitrogen freezing station, connected to the pumping system. Rapid freezing reduces ice crystal damage and results in improved specimen preservation. For handling pre-frozen material the Prepdek™ freezing system allows specimens that have been frozen by alternative freezing methods (or stored field specimens) to be manipulated – in or just above liquid nitrogen – and then transferred under vacuum into the PP3010T preparation chamber for subsequent processing and observation.
Additionally the TEM Prep Slusher and Glove Box Interface/Airlock options allow workflow amongst a range of other platforms, including cryo-TEM, cryoultramicrome, XPS and glove box.
Cryo Transfer Device – Including Vacuum Storage The vacuum transfer device is compact (fits easily into one hand), reliably vacuum-tight and has a bayonet connection to the specimen shuttle to ensure rapid pick up and transfer.
Set into the Prepdek™ work surface is a pumped storage tube for
the cryo transfer device (see Prepdek™ workstation section below).
Specimen Stubs, Shuttles
The PP3010T is supplied with universal 10 mm specimen stubs with surface slots, holes and a flat area – useful for most specimen types. Blank and slotted stubs are also included. In addition a range of optional holders is available, including shuttles for large specimens and top-loading holders for high pressure freezing, TEM Autogridstm (for cryo-FIB/SEM applications) and clamping shuttles for hard specimens.
Cryo Preparation Chamber
The cryo preparation chamber is connected directly to the microscope and includes a highly efficient nitrogen gas cold stage, extensive cold trapping and facilities to fracture, sublimate and sputter coat specimens. The chamber is fitted with two fully
View during specimen transfer
integrated and interlocked gate valves. The outer load-lock valve includes a pumped airlock which accepts the cryo transfer device – the inner SEM valve ensures rapid high-vacuum to high-vacuum specimen exchange.
Highly Efficient Gas Cooled Stage and Cold Traps
At the heart of the cryo preparation chamber is a nitrogen gas cooled specimen stage. The stage has a dovetail fitting to accept a cryo shuttle and can be precisely controlled over a temperature range from 100°C to -190°C or lower. Large gas cooled cold traps located above, below and behind the specimen stage ensure clean, high vacuum conditions in the chamber.
198 Specimen transfer device
Slushy nitrogen freezing station
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