| 摘要 |
PURPOSE: A method for forming an oxidation thin film is provided to efficiently form an oxidation thin film without transforming an object and to prevent impurities remained on the object. CONSTITUTION: A method for forming an oxidation thin film comprises step for forming oxidation thin films(3,4) by dipping a part of an object(1) with thickness of 1mm or greater into electrolyte(2); and a step for forming the oxidation thin film on the other part by dipping the other part of the object into the electrolyte without forming a mask material in a boundary portion between parts where the oxidation films are formed or parts where the oxidation films are not formed.
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