Patent ID: 7070471

Claim:
A manufacturing method for a plasma display panel, comprising: a protective layer forming step of forming a protective layer on one main surface of a first plate, the protective layer protecting a dielectric layer; a phosphor layer baking step of baking a phosphor layer that has been applied on one main surface of a second plate; a sealing step of sealing the first plate and the second plate that have been placed in such a manner that the main surface on which the protective layer has been formed faces the main surface on which the phosphor layer has been baked; and a baking and exhausting step of baking the first plate and the second plate while exhausting a space formed between the first plate and the second plate, wherein in each of the four steps and between every successive two of the four steps, the first plate and the second plate are continuously in a first gas atmosphere with a dew-point temperature of −30° C. or lower, or in a second gas atmosphere with a pressure of 1 Pa or lower.