| 摘要 |
PROBLEM TO BE SOLVED: To provide a method and apparatus for removing hard coating by which a hard coating with which a base material is coated can be easily re moved in a short time. SOLUTION: The apparatus has, a treatment tank 20 having an external tank 21 and an internal tank 22, a heating device 23 provided to the external tank 21 and used for indirectly heating an electrolytic solution 25 with which the internal tank 22 is filled, a starring rod 26 held in the internal tank 22 and used for agitating the electrolytic solution 25, and a DC power source 31 for impressing current between a cathode 28 on a power-application side held in the internal tank 22 and an anode 30 of the base material coated with the hard coating.
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