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    • 6. 发明申请
    • SILICON ETCH WITH PASSIVATION USING CHEMICAL VAPOR DEPOSITION
    • 硅钝化用化学气相沉积钝化
    • WO2010047978A3
    • 2010-07-01
    • PCT/US2009060218
    • 2009-10-09
    • LAM RES CORPWINNICZEK JAROSLAW WCHEBI ROBERT P
    • WINNICZEK JAROSLAW WCHEBI ROBERT P
    • H01L21/3065H01L21/205
    • H01L21/3065H01J37/32082H01L21/32137
    • A silicon layer is etched through a patterned mask formed thereon using an etch chamber. A fluorine (F) containing etch gas and a silicon (Si) containing chemical vapor deposition gas are provided in the etch chamber. The fluorine (F) containing etch gas is used to etch features into the silicon layer, and the silicon (Si) containing chemical vapor deposition gas is used to form a silicon-containing deposition layer on sidewalls of the features. A plasma is generated from the etch gas and the chemical vapor deposition gas, and a bias voltage is provided. Features are etched into the silicon layer using the plasma, and a silicon-containing passivation layer is deposited on the sidewalls of the features which are being etched. Silicon in the passivation layer primarily comes from the chemical vapor deposition gas. The etch gas and the chemical vapor deposition gas are then stopped.
    • 使用蚀刻室将硅层蚀刻穿过其上形成的图案化掩模。 在蚀刻室中提供包含氟(F)的蚀刻气体和包含硅(Si)的化学气相沉积气体。 使用含氟(F)蚀刻气体将特征蚀刻到硅层中,并且使用含硅(Si)的化学气相沉积气体在特征的侧壁上形成含硅沉积层。 从蚀刻气体和化学气相沉积气体产生等离子体,并提供偏置电压。 使用等离子体将特征蚀刻到硅层中,并且在正被蚀刻的特征的侧壁上沉积含硅钝化层。 钝化层中的硅主要来自化学气相沉积气体。 然后停止蚀刻气体和化学气相沉积气体。
    • 10. 发明申请
    • SILICON ETCH WITH PASSIVATION USING CHEMICAL VAPOR DEPOSITION
    • 使用化学蒸气沉积物进行钝化的硅蚀刻
    • WO2010047978A2
    • 2010-04-29
    • PCT/US2009/060218
    • 2009-10-09
    • LAM RESEARCH CORPORATIONWINNICZEK, Jaroslaw, W.CHEBI, Robert P.
    • WINNICZEK, Jaroslaw, W.CHEBI, Robert P.
    • H01L21/3065H01L21/205
    • H01L21/3065H01J37/32082H01L21/32137
    • A silicon layer is etched through a patterned mask formed thereon using an etch chamber. A fluorine (F) containing etch gas and a silicon (Si) containing chemical vapor deposition gas are provided in the etch chamber. The fluorine (F) containing etch gas is used to etch features into the silicon layer, and the silicon (Si) containing chemical vapor deposition gas is used to form a silicon-containing deposition layer on sidewalls of the features. A plasma is generated from the etch gas and the chemical vapor deposition gas, and a bias voltage is provided. Features are etched into the silicon layer using the plasma, and a silicon-containing passivation layer is deposited on the sidewalls of the features which are being etched. Silicon in the passivation layer primarily comes from the chemical vapor deposition gas. The etch gas and the chemical vapor deposition gas are then stopped.
    • 通过使用蚀刻室在其上形成的图案化掩模蚀刻硅层。 在蚀刻室中设置含有含氟(F)的蚀刻气体和含硅(Si)的化学气相沉积气体。 使用含氟(F)的蚀刻气体将特征蚀刻到硅层中,并且使用含硅(Si)的化学气相沉积气体在特征的侧壁上形成含硅沉积层。 从蚀刻气体和化学气相沉积气体产生等离子体,并提供偏置电压。 使用等离子体将特征蚀刻到硅层中,并且在被蚀刻的特征的侧壁上沉积含硅钝化层。 钝化层中的硅主要来自化学气相沉积气体。 然后停止蚀刻气体和化学气相沉积气体。