Sealed Cell for the Characterization of Thin Films under Non-Air Ambient Conditions
The Sealed Cell has been designed for ellipsometric characterization of materials that are either sensitive to air or moisture or for experiments to study the effect of vapours / gases on material layers.
The Cell provides a completely sealed environment preventing ingress of air during measurement. A flow system is integrated with the design to allow introduction of gases or vapours into the cell. The sample is placed within the cell and the ellipsometer light beam passes through the two fused UV silica windows mounted at 60° on each side of the cell. A top window enables sample alignment.
The Cell is manufactured from PTFE and all components of the cell can be easily removed and cleaned.
The Cell is designed to mount samples of up to 50mm x 50mm, and allows translation of up to 10mm x 10mm for mapping purposes when the sample is placed inside.
Maintenance and replacement:
- Before and after each use, inspect the cell for signs of contamination or deposits. Contamination can cause scattering or absorption of the light, leading to inaccurate measurements.
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Periodically, check the integrity of the seals and gaskets to ensure there are no leaks. Leaks can allow unwanted gases or moisture into the cell, potentially altering the sample's environment and compromising the measurement.
Signs of replacement:
- Damage or Wear: Replace the cell if there are any visible signs of damage, such as cracks or scratches on the windows, or if the seals and gaskets are worn out.
- Persistent Contamination: If the cell cannot be cleaned thoroughly or if contamination persists, it might be necessary to replace the cell.
- Performance Degradation: If there is noticeable degradation in performance that cannot be attributed to other components or is not fixable through recalibration or cleaning, replacement may be required.
Compatibility:
If you want more information about Spectroscopic Ellipsometry, please visit our website on Spectroscopic Ellipsometry - HORIBA and on Spectroscopic Ellipsometer Options and Accessories - HORIBA.
