Patent ID: 8033813

Claim:
A chucking system, comprising: a chuck body having an array of fluid chambers, each fluid chamber having a first recess and a second recess defining first and second support regions, wherein the first support region cinctures the second support region, and wherein the first support region and the second support region are adapted to hold a substrate such that the first recess and a portion of the substrate in superimposition therewith define a first chamber and the second recess and a portion of the substrate in superimposition therewith define a second chamber, and wherein the first chamber and the second chamber are in fluid communication with a different source of fluid controlling a flow of fluid in the array of fluid chambers, and wherein: at least one of the fluid chambers is in a vacuum state; and, at least one of the fluid chambers is in a pressured state such that the array of fluid chambers holds a first portion of a substrate and simultaneously bows a second portion of the substrate.