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APPARATUS AND METHOD FOR ULTRA-SHALLOW IMPLANTATION IN A SEMICONDUCTOR DEVICE
APPARATUS AND METHOD FOR ULTRA-SHALLOW IMPLANTATION IN A SEMICONDUCTOR DEVICE
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机译:用于半导体装置中的超浅注入的装置和方法
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摘要
Methods and devices for forming an ultra-thin doping layer in a semiconductor substrate include introducing a thin film of a dopant onto a surface of the substrate and driving at least a portion of the thin dopant layer into a surface of the semiconductor. Gas ions used in the driving-in process may be inert to minimize contamination during the drive in process. The thin films can be deposited using know methods, such as physical deposition and atomic layer deposition. The dopant layers can be driven into the surface of the semiconductor using known techniques, such as pulsed plasma discharge and ion beam. In some embodiments, a standard ion implanter can be retrofit to include a deposition source.
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