| 摘要 |
An electrostatic deflector that can be manufactured easily and very accurately without using a member for positioning is provided. After multiple slits 81 d to 88 d have been formed in the same direction as that of the bus bar of an approximately conical electrode material 100 whose large-diameter section is formed with flange portions 81 a to 88 a for installation on an insulator 90 , each of the flange portions is coupled with the insulator 90 , then the electrode material 100 is cut along extension lines of the slits 81 d to 88 d, and thus, multiple electrode members electrically isolated from one another are formed.
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