Patent ID: 7014741

Claim:
A magnetron having endblocks, the magnetron comprising: a cylindrical target tube comprising a material to be sputtered onto a substrate, the target tube consisting of portions of the target tube within the endblocks and an exposed portion without the endblocks, the cylindrical target tube having a closed circle groove near an end of the cylindrical target tube; support structures located at the ends of the target tube that position the target tube and supply cooling water and power to the target tube, support structures including a support portion that has an outer circumference that is approximately equal to the circumference of the target tube; a clamp that extends around the outer circumference of the support portion and the end of the cylindrical target tube; and a magnetic structure within the target tube, the magnetic structure having a magnetic field that extends the length of the exposed portion of the target tube such that the entire exposed portion is sputtered.