The present invention relates to nanoscale barium titanate particles and to a production method therefor, and relates to an invention employing mixed beads such that uniform milling and a dispersing effect can be simultaneously achieved, and employing a method in which a BaCO3 starting material is milled on the nano scale and is then mixed with nanoscale TiO2 thereby allowing dispersion to be effected by means of a high-energy mill at a low speed of 1,600 rpm and 0.65 mm and 1 mm mixed beads in the first instance, and milling and dispersion to be carried out simultaneously by charging into linearly connected 0.1 mm and 0.3 mm nano-milling and dispersing high-energy mills.
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