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    • 1. 发明申请
    • METHODS FOR PREVENTING PRECIPITATION OF ETCH BYPRODUCTS DURING AN ETCH PROCESS AND/OR A SUBSEQUENT RINSE PROCESS
    • 用于在蚀刻过程和/或后续冲洗过程中防止蚀刻产物的降解的方法
    • WO2010090779A2
    • 2010-08-12
    • PCT/US2010/020086
    • 2010-01-05
    • LAM RESEARCHWAGNER, Mark, I.DEYOUNG, James, P.
    • WAGNER, Mark, I.DEYOUNG, James, P.
    • H01L21/302H01L21/306
    • H01L21/02068
    • Methods for processing a microelectronic topography include selectively etching a layer of the topography using an etch solution which includes a fluid in a supercritical or liquid state. In some embodiments, the etch process may include introducing a fresh composition of the etch solution into a process chamber while simultaneously venting the chamber to inhibit the precipitation of etch byproducts. A rinse solution including the fluid in a supercritical or liquid state may be introduced into the chamber subsequent to the etch process. In some cases, the rinse solution may include one or more polar cosolvents, such as acids, polar alcohols, and/or water mixed with the fluid to help inhibit etch byproduct precipitation. In addition or alternatively, at least one of the etch solution and rinse solution may include a chemistry which is configured to modify dissolved etch byproducts within an ambient of the topography to inhibit etch byproduct precipitation.
    • 用于处理微电子拓扑的方法包括使用包括超临界或液态的流体的蚀刻溶液来选择性地蚀刻地形图。 在一些实施例中,蚀刻工艺可以包括将蚀刻溶液的新鲜组合物引入处理室中,同时使该室排气以抑制蚀刻副产物的沉淀。 包含超临界或液态的流体的冲洗溶液可以在蚀刻过程之后引入腔室。 在一些情况下,漂洗溶液可以包括一种或多种极性助溶剂,例如酸,极性醇和/或与流体混合的水,以帮助抑制蚀刻副产物沉淀。 另外或替代地,蚀刻溶液和冲洗溶液中的至少一个可以包括化学物质,其被配置为在局部环境中修饰溶解的蚀刻副产物以抑制蚀刻副产物沉淀。
    • 2. 发明申请
    • METHODS FOR PREVENTING PRECIPITATION OF ETCH BYPRODUCTS DURING AN ETCH PROCESS AND/OR A SUBSEQUENT RINSE PROCESS
    • 预防蚀刻过程中和/或后续冲洗过程中蚀刻副产品的方法
    • WO2010090780A1
    • 2010-08-12
    • PCT/US2010/020093
    • 2010-01-05
    • LAM RESEARCHWAGNER, Mark, I.DEYOUNG, James, P.
    • WAGNER, Mark, I.DEYOUNG, James, P.
    • H01L21/306H01L21/302
    • H01L21/76814H01L21/02068H01L21/02101H01L21/31111
    • Methods for processing a microelectronic topography include selectively etching a layer of the topography using an etch solution which includes a fluid in a supercritical or liquid state. In some embodiments, the etch process may include introducing a fresh composition of the etch solution into a process chamber while simultaneously venting the chamber to inhibit the precipitation of etch byproducts. A rinse solution including the fluid in a supercritical or liquid state may be introduced into the chamber subsequent to the etch process. In some cases, the rinse solution may include one or more polar cosolvents, such as acids, polar alcohols, and/or water mixed with the fluid to help inhibit etch byproduct precipitation. In addition or alternatively, at least one of the etch solution and rinse solution may include a chemistry which is configured to modify dissolved etch byproducts within an ambient of the topography to inhibit etch byproduct precipitation.
    • 用于处理微电子形貌的方法包括使用包括超临界或液体状态的流体的蚀刻溶液来选择性地蚀刻形貌层。 在一些实施例中,蚀刻工艺可以包括将新鲜的蚀刻溶液组合物引入到处理室中,同时通风室以抑制蚀刻副产物的沉淀。 包括处于超临界或液体状态的流体的冲洗溶液可以在蚀刻过程之后被引入到腔室中。 在一些情况下,冲洗溶液可以包括与流体混合的一种或多种极性助溶剂,例如酸,极性醇和/或水,以帮助抑制蚀刻副产物沉淀。 另外或可替代地,蚀刻溶液和冲洗溶液中的至少一种可以包括化学物质,其被配置为修改在形貌环境内的溶解的蚀刻副产物以抑制蚀刻副产物沉淀。