Cryo Preparation System for SEM and FIB/SEM
PP3010T from Quorum Technologies is an automated cryo preparation system for scanning electron microscopy (SEM), FE-SEM and FIB/SEM.
Cryo-SEM is the ideal preparation method for a wide range of "wet" or beam-sensitive specimens, including biological systems, foods, polymers, pharmaceuticals, oils, foams and many other materials.
At the operational heart of the PP3010T is the gas cooled aQuilo cryo preparation chamber, which includes tools for specimen fracturing and manipulation as well as fully automatic sublimation and sputter coating. Gas cooling ensures thermal efficiency and - along with the SEM stage and cold trap which are also gas-cooled - gives a system temperature capability of down to -190oC or lower.
Cooling works on a simple 'fill once and forget' principle, with the remotely positioned cooling dewar/heat exchanger typically giving runtimes of up to 24 hours between fills of liquid nitrogen.
To ensure optimum performance and simplicity of operation, the aQuilo preparation chamber is attached directly to the microscope - but with turbomolecular pumping and the SEM cooling systems conveniently mounted remotely from the microscope.
The PP3010T is controlled using a large intuitive touch screen panel PC mounted on the spacious Prepdek workstation, giving the operator instant access and control of all the key operating parameters, data logging and system diagnostics.
CCD images from the preparation chamber are displayed and can be recorded on the control screen and multiple viewing windows give visibility of the specimen and chamber interior. The Prepdek also houses the freezing system and a pumped storage tube for the cryo transfer device.