| 摘要 |
A discharge element for use in charging or discharging fine particles, charging or discharging a photoconductive insulating film applied to electronic copying machine, surface treatment for plastic, and generation of ozone from oxygen or the like. An electrically conductive metal such as aluminum or the like is metal sprayed to the surface of a thin-plate like ceramic insulating body so that an electrically conductive power supplying line is formed. A coated electrode of a high melting point semiconductor is metal sprayed on the outer surface of the power supplying line so that a combined linear electrode is formed. Next, on the reverse side of the thin-plate like ceramic insulating body there is provided an electrically conductive planar electrode by metal spraying. A high potential AC power source is connected between the combined linear electrode and the planar electrode so that AC silent creeping discharge is generated adjacent to the coated electrode and the surface of the insulating body.
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