Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
March 3, 2020
Patent Application Number
15538605
Date Filed
December 24, 2015
Patent Citations Received
Patent Primary Examiner
Patent abstract
A discharge unit includes a discharge electrode, a counter electrode opposed to the discharge electrode, and an insulation member having a surface. The surface is continuous from the discharge electrode to the counter electrode. A wall portion is provided on one side with respect to a discharge region formed by the discharge electrode. The wall portion is configured to suppress a contaminant from adhering to the surface of the insulation member.
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