Patent ID: 7811411

Claim:
An RF coil assembly for providing a source to generate a plasma inductively in a processing chamber, the RF coil assembly comprising: an RF coil disposed about a side perimeter of the processing chamber; a frame disposed about the side perimeter of the processing chamber and adapted to support the RF coil in position, the frame including a plurality of fingers extending outward from the processing chamber in a first direction and disposed on each side of the RF coil, wherein first fingers of the plurality of fingers are disposed on a first side of the RF coil and second fingers of the plurality of fingers are disposed on a second side of the RF coil, the frame also including a base extending between the plurality of fingers and a first portion extending beyond the first fingers in a second direction substantially perpendicular to the first direction, the frame having a planar cross section characterized by the base extending in the second direction between a first finger and a second finger disposed on substantially opposite sides of the RF coil and the first portion extending beyond the first finger in the second direction; and an interface material disposed between and in thermal contact with the frame and a sidewall of the processing chamber, the interface material having a thermal conductivity of 3.0 W/mK or greater, wherein a height of the frame includes a height of the base and a height of the first portion and defines an area of thermal contact with the interface material, the height of the frame being greater than a total width of the RF coil, the first finger, and the second finger as measured in the second direction along the planar cross section of the frame.