Patent ID: 9640359
Date: 2017-05-02
CPC Classifications: C23C,H01J

Claim:
1. An inverted cylindrical magnetron (ICM) source comprising: a co-axial central anode concentrically located within a first annular end anode and a second annular end anode; a process chamber including a top end and a bottom end in which the first annular end anode and the second annular end anode are coaxially disposed, whereby the first annular end anode, the second annular end anode, and the central anode form a 3-anode configuration to provide electric field uniformity, and the process chamber including a central annular space wall coupled to a tube insulator disposed about the central annular space wall; a cathode concentrically coupled to the tube insulator and a target; a plurality of multi-zone magnets surrounding the exterior of the process chamber providing a tunable magnetic field; a temperature adjustable target cooling jacket coaxially disposed between the tube insulator and the target; and wherein the plurality of multi-zone magnets are selected from the group consisting of electromagnets or hybrid electro-permanent magnets; a plurality of working gas flow inlets and a plurality of pumping ports with adjustable flowing and pumping rates operably coupled to the process chamber to provide a top flow, a top pumping, a bottom pumping, and a bottom flow; wherein the top flow pressure and the bottom flow pressure can be independently adjusted; an adjustable gap between cathode and the co-axial central anode; and wherein the co-axial central anode includes a plurality of working gas inlets to provide a gas supply into the process chamber.