Category : Optics (components, coatings, instruments and systems) > Microscope, microscope accessories

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Many metallurgical and materials science studies benefit from specimen heating in the SEM. Dynamic observations of phase transitions and other microstructural changes with respect to temperature can be informative for materials research and failure analysis. Using specialized equipment, dynamic gas reactions can be studied. The effect of re-crystallisation can be observed using the combination of specimen heating and electron backscattered diffraction (EBSD).

Heating stage modules

H1000 Series modules are all designed to interface easily to most standard SEM stages, using a thermally isolated stage interface.
Water-cooled shielding and retractable shutters are provided for SEM protection with H1002 and H1004 high temperature modules.

The heating modules are supplied complete with power supply, temperature sensor and a digital temperature controller.

Standard secondary electron imaging can become unreliable at high temperatures, as the number of thermal electrons and the amount of light emitted from the specimen increases.

Gatan has developed a special ‘hot’ backscattered electron
detector, which rejects the light emitted at high temperatures. MiniHBS is a retractable photomultiplier-based BSED which can be fitted to any suitable SEM chamber port. It is supplied complete with integral power supply plus brightness and contrast controls and provides an imaging signal as a configurable
analogue voltage. A dedicated scan synchronous AUX or BS input is required for imaging on the SEM monitor. Optimum imaging performance may be achieved with a dedicated Digital Beam Control system such as DigiScan II™.

For metallurgy and materials science studies, phase transitions and inclusions and microstructural properties.

All heating stages are modules which are interfaced to the standard SEM stage. The system is complete with power supply, temperature controller and sensor.

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List of all articles in this sub-category Microscope, microscope accessories

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