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Systems and methods for UV-based suppression of plasma instability
Systems and methods for UV-based suppression of plasma instability
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机译:基于UV的抑制等离子体不稳定性的系统和方法
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摘要
A substrate is positioned in exposure to a plasma generation region within a plasma processing chamber. A first plasma is generated within the plasma generation region. The first plasma is configured to cause deposition of a film on the substrate until the film deposited on the substrate reaches a threshold film thickness. The substrate is then exposed to ultraviolet radiation to resolve defects within the film deposited on the substrate. The ultraviolet radiation can be supplied in-situ using either a second plasma configured to generate ultraviolet radiation or an ultraviolet irradiation device disposed in exposure to the plasma generation region. The ultraviolet radiation can also be supplied ex-situ by moving the substrate to an ultraviolet irradiation device separate from the plasma processing chamber. The substrate can be exposed to the ultraviolet radiation in a repeated manner to resolve defects within the deposited film as the film thickness increases.
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