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Title: High-voltage, low-inductance gas switch

Patent ·
OSTI ID:1243307

A low-inductance, air-insulated gas switch uses a de-enhanced annular trigger ring disposed between two opposing high voltage electrodes. The switch is DC chargeable to 200 kilovolts or more, triggerable, has low jitter (5 ns or less), has pre-fire and no-fire rates of no more than one in 10,000 shots, and has a lifetime of greater than 100,000 shots. Importantly, the switch also has a low inductance (less than 60 nH) and the ability to conduct currents with less than 100 ns rise times. The switch can be used with linear transformer drives or other pulsed-power systems.

Research Organization:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC04-94AL85000
Assignee:
Sandia Corporation (Albuquerque, NM)
Patent Number(s):
9,294,085
Application Number:
14/099,524
OSTI ID:
1243307
Resource Relation:
Patent File Date: 2013 Dec 06
Country of Publication:
United States
Language:
English

References (5)

Low-inductance gas switches for linear transformer drivers journal June 2009
High reliability low jitter 80 kV pulse generator journal August 2009
Hollow-electrode switch patent September 1992
Pulse forming x-ray laser patent February 2000
Expandable Tubular patent-application September 2007

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