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Housing for vacuum switching tube, has control electrode influencing electrical field outside housing that is coated with non-gaseous insulating substance such that control electrode is arranged within substance
Housing for vacuum switching tube, has control electrode influencing electrical field outside housing that is coated with non-gaseous insulating substance such that control electrode is arranged within substance
The housing has a set of control electrodes (35, 37, 39) for influencing an electrical field that is present outside the housing. The housing is coated with a non-gaseous insulating substance (41) such that one of the control electrodes is arranged within the insulating substance. The non-gaseous insulating substance is a permanent elastic insulating substance or a duroplastic insulating substance, and contains silicone or epoxy resin. The control electrodes reduce the formation of field strength raisings in the insulating substance.
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