| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for uniformly and correctly removing a metal layer from the inside face of a gap of a metallic anode. SOLUTION: The method for removing a metal layer comprises the steps of providing a part 13 having a slot 17, providing a porous metallic cathode 5 comprising a recess bounded by a wall 19 having an outer surface 7 corresponding to the slot 17, inserting the porous metallic cathode 5 into the slot 17, introducing an electrolyte 27 into the recess of the porous metallic cathode 5, and removing a portion of an inner surface 11 of the slot 17 by flowing an electric current between the part 13 and the porous metallic cathode 5. The unrequired layer produced at the inner surface 11 can be uniformly removed by electric discharge machining or the like. COPYRIGHT: (C)2006,JPO&NCIPI
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