Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Chisato Emori0
Kesayuki Takeuchi0
Kazuhiko Machida0
Date of Patent
November 25, 2008
0Patent Application Number
113516680
Date Filed
February 10, 2006
0Patent Primary Examiner
Patent abstract
A discharge tube comprises a pair of discharge electrodes opposed to each other with a discharge space in-between, an airtight cylinder in which the discharge space is formed, the pair of the electrodes respectively being mounted on both ends of the airtight cylinder, and a coating film which is resistant to water permeation, and formed on a surface of the airtight cylinder. With the discharge tube, it is possible to perform a stable discharge having a good insulating property between the discharge electrodes even when the external environment changes.
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