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A procedure for making phosphor viewing screens for the transmission electron microscope.
1Wadsworth Center for Laboratories and Research, New York State Department of Health, Albany 12201-0509.
Journal of Electron Microscopy Technique
|April 1, 1988
Summary
A new settling technique creates uniform, durable phosphor screens for transmission electron microscopes. This method is adaptable for both high-voltage and lower-voltage instruments, enhancing imaging quality.
Area of Science:
- Materials Science
- Microscopy Technology
Background:
- Transmission electron microscopes (TEM) require high-quality viewing screens for optimal image resolution.
- Current methods for preparing phosphor screens can result in non-uniformity and reduced durability.
Purpose of the Study:
- To develop a novel technique for preparing uniform and durable phosphor layers for TEM viewing screens.
- To ensure the applicability of the technique across different TEM acceleration voltages.
Main Methods:
- A settling procedure was employed to deposit phosphor particles.
- The technique involves careful control of coating density for uniform layer formation.
Main Results:
- The described settling technique yields uniform and durable phosphor layers.
- The method is demonstrated for high-voltage TEM but is adjustable for lower-voltage instruments.
Conclusions:
- The settling procedure offers a reliable method for TEM phosphor screen preparation.
- This technique enhances the performance and versatility of TEM viewing screens.