Patent ID: 7850780

Claim:
A system for thin film deposition of a solid material onto a substrate comprising: A) at least a first, a second, and a third source for at least a first, a second, and a third gaseous materials; B) a substrate having a substrate surface and an average weight per unit area; C) a deposition delivery head for delivering the gaseous materials to the substrate surface for thin film deposition comprising: i) at least a first, a second, and a third inlet port for receiving the first, the second, and the third gaseous materials, respectively; ii) at least one exhaust port for exhausting waste gases; and iii) an output face in proximity to the substrate surface comprising a plurality of elongated openings, wherein (a) each of the inlet ports is independently connected to at least one first, second, and third elongated output opening, each connected to a corresponding elongated first, second, and third elongated emissive channel, in the face of the deposition delivery head for supplying the respective gaseous materials to the substrate; and (b) the at least one exhaust port is connected to at least two elongated exhaust openings, each connected to a corresponding elongated exhaust channel, in the face of the deposition delivery head, each having an associated pressure, wherein the at least two elongated exhaust openings are disposed such that at least a first, a second, or a third elongated output opening is located between the at least two elongated exhaust openings; and wherein a substantially uniform distance between the output face and the substrate surface is maintained at least in part by pressure generated due to flows of one or more of the gaseous materials from the elongated output openings to the substrate surface and wherein the difference between atmospheric pressure and the average pressure of the elongated exhaust openings, measured in Pascals is at least two times the average weight per unit area of the substrate, also measured in Pascals.