| 摘要 |
An ion generating component (4) has, on an insulating substrate (41), a ground electrode (42), a high-voltage electrode (43), an insulating film (44) on the surface of the ground electrode (42), and a linear electrode (45). The ground electrode (42) is disposed at the outer region of the insulating substrate (41) and includes a pair of legs (42a, 42b), which are parallel to the linear electrode (45), which is disposed between the legs (42a, 42b). The ground electrode (42) further includes a contact portion (42c) in contact with a terminal (5b) and an insulating-casing contact portion (42d) in contact with the upper resin casing (3). The insulating film (44) is disposed on the substantially entire surface of the insulating substrate (41) so that the high-voltage electrode (43) and the contact portion (42c) and the insulating-casing contact portion (42d) of the ground electrode (42) remain uncovered.
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