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    • 4. 发明申请
    • MIXED MODE PULSING ETCHING IN PLASMA PROCESSING SYSTEMS
    • 等离子体处理系统中的混合模式脉冲蚀刻
    • WO2013098702A3
    • 2014-01-09
    • PCT/IB2012057385
    • 2012-12-17
    • LAM RES CORPLAM RES AG
    • JACOBS KANARIK KEREN
    • C23C16/00
    • H01J37/32082H01J37/32146H01J37/32155H01J37/32449H01J2237/334
    • A method for processing substrate in a chamber, which has at least one plasma generating source, a reactive gas source for providing reactive gas into the interior region of the chamber, and a non-reactive gas source for providing non-reactive gas into the interior region, is provided. The method includes performing a mixed-mode pulsing (MMP) preparation phase, including flowing reactive gas into the interior region and forming a first plasma to process the substrate that is disposed on a work piece holder. The method further includes performing a MMP reactive phase, including flowing at least non-reactive gas into the interior region, and forming a second plasma to process the substrate, the second plasma is formed with a reactive gas flow during the MMP reactive phase that is less than a reactive gas flow during the MMP preparation phase. Perform the method, steps a plurality of times.
    • 一种在腔室中处理衬底的方法,其具有至少一个等离子体产生源,用于将反应气体提供到腔室的内部区域中的反应气体源,以及用于将非反应性气体提供到内部的非反应性气体源 区域。 该方法包括执行混合模式脉冲(MMP)制备阶​​段,包括将活性气体流入内部区域并形成第一等离子体以处理设置在工件保持器上的基底。 该方法还包括执行MMP反应相,包括将至少非反应性气体流入内部区域,以及形成第二等离子体以处理该基底,在MMP反应阶段期间,第二等离子体由反应气流形成, 在MMP制备期间小于反应气流。 执行该方法,步骤多次。
    • 7. 发明申请
    • PLASMA CONFINEMENT RING ASSEMBLY FOR PLASMA PROCESSING CHAMBERS
    • 用于等离子体加工釜的等离子体配料环组件
    • WO2012039744A3
    • 2012-08-23
    • PCT/US2011001501
    • 2011-08-25
    • LAM RES CORPDE LA LLERA ANTHONYCARMAN DAVIDTAYLOR TRAVIS RULLAL SAURABH JSINGH HARMEET
    • DE LA LLERA ANTHONYCARMAN DAVIDTAYLOR TRAVIS RULLAL SAURABH JSINGH HARMEET
    • H01L21/3065
    • H01L21/67069
    • A plasma confinement ring assembly with a single movable lower ring can be used for controlling wafer area pressure in a capacitively coupled plasma reaction chamber wherein a wafer is supported on a lower electrode assembly and process gas is introduced into the chamber by an upper showerhead electrode assembly. The assembly includes an upper ring, the lower ring, hangers, hanger caps, spacer sleeves and washers. The lower ring is supported by the hangers and is movable towards the upper ring when the washers come into contact with the lower electrode assembly during adjustment of the gap between the upper and lower electrodes. The hanger caps engage upper ends of the hangers and fit in upper portions of hanger bores in the upper ring. The spacer sleeves surround lower sections of the hangers and fit within lower portions of the hanger bores. The washers fit between enlarged heads of the hangers and a lower surface of the lower ring. The spacer sleeves are dimensioned to avoid rubbing against the inner surfaces of the hanger bores during lifting of the lower ring.
    • 可以使用具有单个可移动下环的等离子体约束环组件来控制电容耦合等离子体反应室中的晶片面积压力,其中晶片被支撑在下部电极组件上,并且处理气体通过上部喷头电极组件 。 组件包括上环,下环,吊架,衣架盖,间隔套和垫圈。 下环由吊架支撑,并且当在上下电极之间的间隙调节期间垫圈与下电极组件接触时,可以朝向上环移动。 衣架帽接合衣架的上端,并安装在上环的衣架孔的上部。 间隔套环绕悬挂架的下部并且安装在衣架孔的下部。 垫圈安装在衣架的扩大头部和下环的下表面之间。 间隔套的尺寸被设计成避免在提升下环期间摩擦挂钩孔的内表面。
    • 9. 发明申请
    • METHODS FOR CONTROLLING PLASMA CONSTITUENT FLUX AND DEPOSITION DURING SEMICONDUCTOR FABRICATION AND APPARATUS FOR IMPLEMENTING THE SAME
    • 用于控制半导体制造期间等离子体成分通量和沉积的方法以及实现该方法的装置
    • WO2012036923A3
    • 2012-05-31
    • PCT/US2011050379
    • 2011-09-02
    • LAM RES CORPDHINDSA RAJINDER
    • DHINDSA RAJINDER
    • H01L21/3065
    • H01L21/67069C23F1/08G05B19/418G05B2219/45031G05B2219/45212H01J37/32935H01L21/31116H01L21/31144H01L21/67248
    • A time-dependent substrate temperature to be applied during a plasma process is determined. The time-dependent substrate temperature at any given time is determined based on control of a sticking coefficient of a plasma constituent at the given time. A time-dependent temperature differential between an upper plasma boundary and a substrate to be applied during the plasma process is also determined. The time-dependent temperature differential at any given time is determined based on control of a flux of the plasma constituent directed toward the substrate at the given time. The time-dependent substrate temperature and time- dependent temperature differential are stored in a digital format suitable for use by a temperature control device defined and connected to direct temperature control of the upper plasma boundary and the substrate. A system is also provided for implementing upper plasma boundary and substrate temperature control during the plasma process.
    • 确定在等离子体处理期间施加的时间依赖的衬底温度。 基于在给定时间对等离子体成分的粘着系数的控制来确定在任何给定时间的时间依赖的衬底温度。 还确定了在等离子体处理期间将施加的上部等离子体边界与衬底之间的时间依赖性温度差。 基于在给定时间控制指向衬底的等离子体成分的通量来确定在任何给定时间的随时间变化的温差。 取决于时间的衬底温度和时间依赖的温度差以适合由定义的温度控制装置使用的数字格式存储并连接到上部等离子体边界和衬底的直接温度控制。 还提供了用于在等离子体处理期间实现上部等离子体边界和衬底温度控制的系统。