Sprayed coating and production method for the same

摘要

A sprayed coating is proposed in which a problem of a condition of oxygen defect which cannot be solved by conventional densification of the sprayed coating is solved, whereby excellent electrical insulation and corrosion resistance can be simultaneously obtained. A sprayed coating formed by plasma spraying inside a semiconductor processing device comprises a metal oxide or a semiconductor oxide, and composition ratio of oxygen with respect to a metal or a semiconductor which composes oxides, that is (oxygen/(metal or semiconductor)) is not less than 80% of a composition ratio in the case of stoichiometric composition.