Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
October 30, 2018
Patent Application Number
15034239
Date Filed
November 7, 2014
Patent Citations Received
Patent Primary Examiner
Patent abstract
The present invention comprises: a plastic plate; a copper discharge electrode formed on a first surface of the plastic plate, the copper discharge electrode having at least one discharge needle; a ground electrode formed on an opposite surface of the plastic plate; and a metal coating layer coated on the copper discharge electrode. Thus, reduced manufacturing costs and maximized lifespan are possible.
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