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Fabrication of high gradient insulators by stack compression

United States Patent

April 29, 2014
View the Complete Patent at the US Patent & Trademark Office
Lawrence Livermore National Laboratory - Visit the Industrial Partnerships Office Website
Individual layers of a high gradient insulator (HGI) are first pre-cut to their final dimensions. The pre-cut layers are then stacked to form an assembly that is subsequently pressed into an HGI unit with the desired dimension. The individual layers are stacked, and alignment is maintained, using a sacrificial alignment tube that is removed after the stack is hot pressed. The HGI's are used as high voltage vacuum insulators in energy storage and transmission structures or devices, e.g. in particle accelerators and pulsed power systems.
Harris; John Richardson (Monterey, CA), Sanders; Dave (Pine Grove, CA), Hawkins; Steven Anthony (Livermore, CA), Norona; Marcelo (West Hills, CA)
Lawrence Livermore National Security, LLC. (Livermore, CA), Lockwood Industries, Inc. (Valencia, CA)
13/ 429,081
March 23, 2012
GOVERNMENT RIGHTS The United States Government has rights in this invention pursuant to Contract No. DE-AC52-07NA27344 between the United States Department of Energy and Lawrence Livermore National Security, LLC.