Home / ESEM / VP Stages / Cooling Stage

K25X Cooling Stage for ESEM, VP, EP and SEM

The Emitech K25X is a Peltier Driven Cooling Stage for SEM primarily VP & ESEM. It allows the stage to be cooled to sub zero temperatures for samples, which may be sensitive at K25X Cooling Stage | Image Pop Upambient temperature, subject to beam damage, or may be sublime at ambient temperatures.

The Cooling Stage is located on the existing SEM Stage, and is designed to accept the standard range of stubs used with the SEM.

The Cooling Stage on the SEM Stage has secondary cooling via a liquid cooling circuit, through a ‘spare’ access port on the SEM, to the external heat exchanger unit, which is fully vacuum, isolated from the SEM chamber. This arrangement allows the majority of the x,y,z and tilt features to be maintained to an effective operating level.

The system is self-contained and employs a small power supply and temperature control system, the unit is supplied from standard supply socket.

The major parts of the system can be left in situ, and the Cooling Stage is very easily removed when reverting to ‘normal’ use.


System Items:

  • Peltier Cooled Stage and secondary liquid cooling
  • Vacuum Interface Port with Integral Electrical Lead Through for Peltier Supply, cooling and Temperature Monitoring
  • Optional chiller for cooling circuit (SEM cooling water or ambient water flow may be used).
  • Control Unit with Digital P.I.D. (Proportional, Integral, Derivative) Control, with SET Point Input Temperature and MEASURED Temperature Display
  • Low Voltage Ultra smooth dc Power Supply for Peltier Drive.

K25X Available for any Hitachi, Leo, Joel or FEI SEM (Other SEM vendors also available). Keypad and dual display for temperature control and display, Simultaneous display of Actual and Target temperatures, Vacuum Interface plate with all connections, Dual Microprocessor Control.

Features:

  • Temperature range -35oC to 75oC
  • Ambient to -25oC in 3 minutes
  • Can be used with all leading SEMs – specific interface plate supplied
  • Display of actual and target temperatures
  • Small footprint of control unit

Benefits:

  • Versatile system for use with VP/EP & ESEM
  • Rapid cooling of samples
  • Versatile system
  • Easy to see when system is ready
  • Compact unobtrusive system

Specifications of the K25X VP/EP & ESEM Cooling Stage:

Stage Temperature Control Range - +70oC to -30oC Resolution +/- 1oC
Typical Operating Temperature - -25oC within 3 minutes from ambient +25oC
Temperature display Resolution - 0.1oC
Temperature stability - 0.2oC
Control Unit Overall Dimensions - 137mm H x 235mm W x 260mm D. Complete with Set of 1 Metre interconnecting leads, and mains Supply lead
Sample Size - Normal Range of Specimen Stubs, Normally to 25mm Max. Dia.)
X,Y Normal Stage - Movements Maintained
Tilt - Normal Movement Maintained for X Ray Analysis (Typically to 45o)
Working Distance - Variable +/- 25mm
Rotate - Greater than 180o
Services
Electrical Supply - 230 Volts or 115 Volts 50/60Hz, Single Phase, 5 Amp max.

Product catalogue download