Patent ID: 9741593
Date: 2017-08-22
CPC Classifications: H01L

Claim:
1. A workpiece holder that positions a workpiece for processing, the workpiece holder comprising: a substantially cylindrical puck that is characterized by a cylindrical axis, a puck radius about the cylindrical axis, and a puck thickness, wherein the puck radius is at least four times the puck thickness, wherein at least a top surface of the cylindrical puck is substantially planar, and wherein the cylindrical puck defines one or more radial thermal breaks, and wherein the radial recess intersects the top surface, the workpiece holder further comprising at least three lifting elements that extend above the top surface in an extended state, to lift the workpiece from the top surface, and that retract into the radial recess in a retracted state, to lower the workpiece onto the top surface.