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Fusion Science and Technology
Latest News
EPA issues final rule regulating “forever chemicals”
The Environmental Protection Agency announced that it will issue a rule aimed at limiting public exposure to per- and polyfluoroalkyl substances (PFAS). The final rule will designate two widely used PFAS chemicals, perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS), as hazardous substances under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), also known as Superfund.
According to the EPA, both PFOA and PFOS meet the statutory criteria for designation as hazardous substances.
Dr Robert Keatch, Mr Brian Lawrenson, Mr Mark Finlay, Dr Barrie Lewis, Dr Colin Horsfield
Fusion Science and Technology | Volume 38 | Number 1 | July 2000 | Pages 139-142
Technical Paper | Thirteenth Target Fabrication Specialists’ Meeting | doi.org/10.13182/FST00-A36131
Articles are hosted by Taylor and Francis Online.
Current techniques used for the production of individual hohlraum components require single-point ultra-precision machining. In an effort to reduce cost and time, mass-production techniques adopted from the Microelectronics sector have been developed. These Microengineering processes will allow a variety of materials to be investigated with various geometrical features and surface topographies. Using thick photosensitive polymers, combined with electroplating processes, complex 3-D structures can be fabricated in multiple stages. In this review the production of a hohlraum end-cap used for indirect inertial confinement fusion (ICF) is presented as an example of this procedure.