anti-contamination device
anti-contamination device
A device that is used for suppressing the deposition of hydrocarbons on a specimen in a TEM. By the condensation action of the cooled fin with liquid nitrogen which is set to surround the specimen holder, contamination on the specimen due to hydrocarbons is largely decreased. In this device, two small aperture holes are placed at the top and bottom to allow the electron beam to pass through the holes. The tip of the specimen holder (specimen part) is inserted into the fin through the opening at its lateral side.
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