Single-touch operation to raise, lower, and rotate the fastening ring, allows for the holding and removal of the Wehnelt.
Raise fastening ring and rotate left → fasten arm.
Lowerfastening ring and rotate right → release arm.
Wehnelt is being held.
Wehnelt can be safely and easily held and removed.
In the previous procedures, the Wehnelt was covered with the conventional tool and then, it was fastened with screws. But as an improvement, the use of this tool enables you to easily catch the Wehnelt by inserting three arms into the removal hole.
Since the temperature of the Wehnelt is very high immediately after the filament wire is broken, this tool is designed so that you can catch the Wehnelt at the place as far as possible.
Wehnelt is being released.
Simplified cooling of the high-temperature Wehnelt to shorten the replacement time
The Wehnelt held by this tool is exposed. So, you can dip the tool into a solvent for cooling it while holding this Wehnelt.
In the previous procedures, you have to wait until the Wehnelt cools down to a state where you can replace it, so it is inconvenient. The use of this new toll shortens the replacement time.
Commonly used for many JEOL general-purpose SEMs
The common Wehnelt and filament are used for JEOL compact SEMs, which include JSM-T series, JSM-5000 series and currently-supplying SEMs.
Jeol Ltd. published this content on 18 January 2018 and is solely responsible for the information contained herein. Distributed by Public, unedited and unaltered, on 18 January 2018 00:19:05 UTC.
Original documenthttps://www.jeol.co.jp/en/products/supply/35-wehnelt_tool.html
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JEOL Ltd. is a Japan-based company mainly engaged in the manufacture, sale, maintenance, development and research of scientific instruments, semiconductor related equipment, industrial and medical equipment, and related products and parts. It operates through three business segments. Science and Measurement Equipment segment manufactures and sells three types of equipment. Electron optical devices include electron microscopes, peripheral devices and others. Analytical instruments include nuclear magnetic resonance equipment, electron spin resonance equipment and others. Measurement and inspection equipment include scanning electron microscopes, analytical scanning electron microscopes, peripheral equipment and others. Industrial Equipment segment manufactures and sells electron beam lithography equipment, linear electron guns and power supplies and others. Medical Equipment segment manufactures and sells clinical test information processing systems, and automatic amino acid analyzers.
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