Patent ID: 8758550

Claim:
A plasma processing apparatus, comprising: a shower head, provided in a processing chamber in which a substrate is processed, to face a mounting table for mounting the substrate thereon, wherein the shower head includes: a facing surface that faces the mounting table including a gas supply part to supply a gas from a gas inlet portion provided at a peripheral portion of the showerhead, to the substrate in a form of shower through a plurality of gas injection holes formed on the facing surface; an opposing surface provided opposite to the facing surface; a plurality of gas exhaust holes extending between the facing surface and the opposing surface to perform gas exhaust from the facing surface toward the opposing surface; and a plurality of electrodes provided on the opposing surface, an ion-confining voltage being applied to the electrodes; and a cylindrical member provided at an upper side of the shower head, the cylindrical member accommodating therein an exhaust path in communication with the gas exhaust holes, wherein the electrodes are arranged within the exhaust path inside the cylindrical member.