Patent ID: 8282769

Claim:
A shower head provided, in a processing chamber in which a substrate is processed, to face a mounting table for mounting the substrate thereon, the shower head comprising: a facing surface that faces the mounting table to supply a gas 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; and a plurality of bar-shaped heat transfer columns standing on the opposing surface, wherein a heat transfer member is provided within a cylindrical member provided at an upper side of the shower head to run across the cylindrical member and the heat transfer member has through holes, wherein part of the heat transfer columns is disposed to pass through the through holes and a diameter of each of said part of the heat transfer columns is smaller than that of each of the through holes; and the showerhead further comprising a plurality of gas exhaust holes provided extending between the facing surface and the opposing surface to exhaust a gas from the facing surface toward the opposing surface, wherein the heat transfer columns are provided within an exhaust path.