Multi-line triggering and interdigitated electrode structure for photoconductive semiconductor switches
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United States of America Patent
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Feb 6, 2007
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app pub date -
Jun 16, 2003
filing date -
Jun 17, 2002
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Abstract
An improved photoconductive semiconductor switch comprises multiple-line optical triggering of multiple, high-current parallel filaments between the switch electrodes. The switch can also have a multi-gap, interdigitated electrode for the generation of additional parallel filaments. Multi-line triggering can increase the switch lifetime at high currents by increasing the number of current filaments and reducing the current density at the contact electrodes in a controlled manner. Furthermore, the improved switch can mitigate the degradation of switching conditions with increased number of firings of the switch.
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