| 摘要 |
In an electrostatic device for the gating of electromagnetic radiation in response to an electrical signal, including a rod shaped fixed electrode and a resilient variable electrode sheet with a film of insulation interposed therebetween. The variable electrode sheet is pressed into a groove in a base plate. The fixed electrode is mounted in the groove over the variable electrode. The assembly of this simple device requires a minimum of noncritical steps.
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