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    • 2. 发明申请
    • METHOD FOR FORMING TUNGSTEN FILM, FILM-FORMING APPARATUS, STORAGE MEDIUM AND SEMICONDUCTOR DEVICE
    • 形成金属膜,成膜装置,储存介质和半导体器件的方法
    • US20090045517A1
    • 2009-02-19
    • US11994339
    • 2006-06-23
    • Masahito SugiuraYasutaka MizoguchiYasushi Aiba
    • Masahito SugiuraYasutaka MizoguchiYasushi Aiba
    • H01L23/52C23C16/44H01L21/44
    • C23C16/14C23C16/45527H01L21/28562H01L21/76856H01L21/76876H01L21/76877
    • A tungsten film with a lower specific resistance and a lower fluorine concentration over its boundary with the base barrier layer, which adheres to the barrier layer with a high level of reliability, compared to tungsten films formed through methods in the related art, is formed.The tungsten film is formed through a process in which a silicon-containing gas is delivered to a wafer M placed within a processing container 14 and a process executed after the silicon-containing gas supply process, in which a first tungsten film 70 is formed by alternately executing multiple times, a tungsten-containing gas supply step for supplying a tungsten-containing gas and a hydrogen compound gas supply step for supplying a hydrogen compound gas with no silicon content with a purge step in which an inert gas is supplied into the processing container and/or an evacuation step for evacuating the processing container executed between the tungsten-containing gas supply step and the hydrogen compound gas supply step.
    • 形成了与通过现有技术中形成的钨膜相比,具有比其阻挡层更低的电阻率和较低的氟浓度的钨膜,其与通过相关技术形成的钨膜相比,以高可靠性粘附到阻挡层。 通过将含硅气体输送到放置在处理容器14内的晶片M和在含硅气体供给工序之后进行的工序,形成钨膜,其中第一钨膜70由 交替执行多次,用于提供含钨气体的含钨气体供给步骤和用于向不加入硅的氢化合物气体供给氢化合物气体的氢化合物气体供给步骤,其中向所述处理中供给惰性气体的净化步骤 容器和/或排气步骤,用于抽空在含钨气体供给步骤和氢气复合气体供给步骤之间执行的处理容器。
    • 5. 发明授权
    • Method for forming tungsten film at a surface of a processing target material, film-forming apparatus, storage medium and semiconductor device with a tungsten film
    • 在处理对象材料的表面形成钨膜的方法,成膜装置,存储介质和具有钨膜的半导体器件
    • US08168539B2
    • 2012-05-01
    • US11994339
    • 2006-06-23
    • Masahito SugiuraYasutaka MizoguchiYasushi Aiba
    • Masahito SugiuraYasutaka MizoguchiYasushi Aiba
    • H01L21/44
    • C23C16/14C23C16/45527H01L21/28562H01L21/76856H01L21/76876H01L21/76877
    • A tungsten film with a lower specific resistance and a lower fluorine concentration over its boundary with the base barrier layer, which adheres to the barrier layer with a high level of reliability, compared to tungsten films formed through methods in the related art, is formed. The tungsten film is formed through a process in which a silicon-containing gas is delivered to a wafer M placed within a processing container 14 and a process executed after the silicon-containing gas supply process, in which a first tungsten film 70 is formed by alternately executing multiple times, a tungsten-containing gas supply step for supplying a tungsten-containing gas and a hydrogen compound gas supply step for supplying a hydrogen compound gas with no silicon content with a purge step in which an inert gas is supplied into the processing container and/or an evacuation step for evacuating the processing container executed between the tungsten-containing gas supply step and the hydrogen compound gas supply step.
    • 形成了与通过现有技术中形成的钨膜相比,具有比其阻挡层更低的电阻率和较低的氟浓度的钨膜,其与通过相关技术形成的钨膜相比,以高可靠性粘附到阻挡层。 通过将含硅气体输送到放置在处理容器14内的晶片M和在含硅气体供给工序之后进行的工序,形成钨膜,其中第一钨膜70由 交替执行多次,用于提供含钨气体的含钨气体供给步骤和用于向不加入硅的氢化合物气体供给氢化合物气体的氢化合物气体供给步骤,其中向所述处理中供给惰性气体的净化步骤 容器和/或排气步骤,用于抽空在含钨气体供给步骤和氢气复合气体供给步骤之间执行的处理容器。