Journal
FUSION SCIENCE AND TECHNOLOGY
Volume 51, Issue 4, Pages 638-642Publisher
AMER NUCLEAR SOCIETY
DOI: 10.13182/FST51-638
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We have developed a technique for drawing commercially available polyimide tubing to the required fill tube dimensions. The tubes are then precisely cut with an Excimer laser to produce a clean, flat tip. We have also demonstrated that one can use the Excimer laser to drill less than a 5 pm diameter through hole in the similar to 150 wall of a NIF dimension GDP shell, and can then create a 10-15,mu m diameter, 20-40,mu m deep counterbore centered on the through hole with the same laser. Using a home built assembly station the tube is carefully inserted into the counterbore and glued in place with UV-cure epoxy, using a LED UV source to avoid heating the joint. We expect that the same joining technique can be used for Be shells.
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