Patent ID: 8084406

Claim:
A cleaning material preparation system, comprising: a polymer container, which contains polymers; a solvent container, which contains a solvent; a container for buffering agent, which contains a buffering agent; a mixing container for preparing a first mixture of the polymers, the solvent, and the buffering agent to prepare the cleaning material, wherein the mixing container is coupled to the polymer container, the solvent container, and the container for the buffering agent; and an adjustment container for preparing the cleaning material by mixing the first mixture with additional buffering agent, wherein the adjustment container is coupled to the mixing container, and wherein the cleaning material is for removing contaminants on a surface of a patterned substrate for defining integrated circuit devices, and wherein the cleaning material includes polymers of the polymeric compound with a molecular weight greater than 10,000 g/mol, the polymers being soluble in a solvent to form the cleaning material, the cleaning material having less than 1 part per billion (ppb) of metallic contaminants before being applied on the surface of the patterned substrate, the solubilized polymers having long polymer chains to capture and entrap the contaminants from the surface of the patterned substrate, wherein the cleaning material deforms around device features on the patterned substrate when a force is applied on the cleaning material applied on the surface of the patterned substrate to remove the contaminants without substantially damaging the device features on the surface, the cleaning material being substantially free of abrasive particles before the cleaning material being applied on the surface of the patterned substrate, the adjustment container being coupled to a storage of the cleaning material, which is coupled to the cleaning material preparation system.