BARRIER-FILM FORMING APPARATUS, BARRIER-FILM FORMING METHOD, AND BARRIER-FILM COATED CONTAINER

摘要

Provided is a barrier-film forming apparatus for forming a barrier film on the inner face of a treated object or a container (12) having an uneven portion (12a). The barrier-film forming apparatus comprises a dielectric member (50) having a cavity sized to enclose the container (12), an external electrode (13) for covering the outer circumference side of the dielectric member (50), discharge means mounted through an insulating member (26) in the end face of the external electrode (13) on the side, at which the mouth (11) of the container (12) is positioned, for evacuating the inside of the container (12) via a discharge pipe (14), an internal electrode (17) inserted from the side of the discharge pipe (14) and acting as a gas blowout portion for blowing out a medium gas (19) to form a barrier film into that container (12), and electric field applying means for applying an electric field to establish a discharge between the external electrode (13) and an grounded electrode.