High-performance insulator structures for accelerator applications

A new, high gradient insulator technology has been developed for accelerator systems. The concept involves the use of alternating layers of conductors and insulators with periods of order 1 mm or less. These structures perform many times better (about 1.5 to 4 times higher breakdown electric field)...

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Bibliographic Details
Main Authors: Sampayan, S.E., Caporaso, G.J., Sanders, D.M., Stoddard, R.D., Trimble, D.O., Elizondo, J., Krogh, M.L., Wieskamp, T.F.
Format: Conference Proceeding
Language:English
Subjects:
Degradation
Dielectric substrates
Dielectrics and electrical insulation
Electric breakdown
Electrons
Fabrication
Flashover
Gas insulation
Surface discharges
Voltage
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Summary:A new, high gradient insulator technology has been developed for accelerator systems. The concept involves the use of alternating layers of conductors and insulators with periods of order 1 mm or less. These structures perform many times better (about 1.5 to 4 times higher breakdown electric field) than conventional insulators in long pulse, short pulse, and alternating polarity applications. We describe our ongoing studies investigating the degradation of the breakdown electric field resulting from alternate fabrication techniques, the effect of gas pressure, the effect of the insulator-to-electrode interface gap spacing, and the performance of the insulator structure under bi-polar stress.
DOI:10.1109/PAC.1997.750009