Patent ID: 8304019

Claim:
A roll-to-roll atomic layer deposition method, comprising the steps of: disposing at least a portion of a substrate from a first roll into a chamber having one or more gas flow shims to separate different sections of the same chamber and configured to direct gas flow or pump flow from one section away from gas flow or pump flow in another section of the same chamber; performing a first atomic layer deposition half reaction on the portion of the substrate while the portion is within one section of the chamber, wherein the deposition is a conformal deposition process depositing a single monolayer; creating directional gas flow over a surface of the one or more gas shims in a first direction and then in a second direction away from an adjacent section to suppress contamination of the one section by reactant molecules from another section, the gas shims simultaneously creates a reduced clearance over the substrate while also providing the surface for guiding directional gas flow, wherein gas shims are vertical walls that each have a flared tip located along one side of the chamber.