Business > Industrial Devices > Automation Controls Top > Service & Support > FA Technical Support > Glossary of FA Sensors > Static Removers (Ionizers) > Corona discharge
A phenomenon that occurs when a high voltage is applied to a localized area like a needle tip, and electric discharge occurs toward the ground.
In a dark room, a watery light (pale light) can be observed. Ionizers remove static electricity by irradiating ions created as a result of the corona discharge intentionally produced using this principle.
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