APPARATUS FOR PRODUCING PHOSPHOR

摘要

PROBLEM TO BE SOLVED: To provide an apparatus for producing a phosphor capable of precisely controlling the oxygen concentration in an atmosphere in a baking step or a cooling step. SOLUTION: This apparatus for producing a phosphor comprises at leas a baking furnace 10 capable of baking a mixture 18 of raw materials for the phosphor and is characterized as having an oxygen concentration measuring means 40 capable o measuring the oxygen concentration in the baking atmosphere in the baking furnace 10.