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TARGET COOLING FOR PHYSICAL VAPOR DEPOSITION (PVD) PROCESSING SYSTEMS
TARGET COOLING FOR PHYSICAL VAPOR DEPOSITION (PVD) PROCESSING SYSTEMS
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机译:物理气相沉积(PVD)处理系统的目标冷却
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摘要
Target assemblies for use in a substrate processing system are provided herein. In some embodiments, a target assembly for use in a substrate processing system may include a source material to be deposited on a substrate, a first backing plate configured to support the source material on a front side of the first backing plate, such that a front surface of the source material opposes the substrate when present, a second backing plate coupled to a backside of the first backing plate, and a plurality of sets of channels disposed between the first and second back plates. These channels permit a coolant to be provided closer to the heat source (target face) thereby facilitating more efficient heat removal from the target. More efficient heat removal from the target results in a target with a lesser thermal gradient and therefore less mechanical bowing/deformation.
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