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    • 2. 发明申请
    • Wafer holder with peripheral lift ring
    • 带外围电梯环的晶圆架
    • US20050011458A1
    • 2005-01-20
    • US10903083
    • 2004-07-30
    • Ravinder AggarwalTony KeetonMatthew Goodman
    • Ravinder AggarwalTony KeetonMatthew Goodman
    • C23C16/458C23C16/48H01L21/687H01L21/306
    • H01L21/68735C23C16/4584C23C16/4585C23C16/481H01L21/68742
    • A wafer holder for supporting a wafer within a CVD processing chamber includes a vertically moveable lift ring configured to support the bottom peripheral surface of the wafer, and an inner plug having a top flat surface configured to support the wafer during wafer processing. The lift ring has a central aperture configured to closely surround the inner plug. When a wafer is to be loaded onto the wafer holder, the lift ring is elevated above the inner plug. The wafer is loaded onto the lift ring in the elevated position. Then, the lift ring is maintained in the elevated position for a time period sufficient to allow the wafer temperature to rise to a level that is sufficient to significantly reduce or even substantially prevent thermal shock to the wafer when the wafer is brought into contact with the inner plug. The lift ring is then lowered into surrounding engagement with the inner plug. This is the wafer processing position of the wafer holder.
    • 用于在CVD处理室内支撑晶片的晶片保持器包括构造成支撑晶片的底部周边表面的可垂直移动的提升环,以及配置成在晶片处理期间支撑晶片的顶部平坦表面的内部插塞。 提升环具有构造成紧密围绕内塞的中心孔。 当将晶片装载到晶片保持器上时,升降环升高到内塞上方。 晶片在提升位置被装载到提升环上。 然后,提升环保持在升高位置一段足以允许晶片温度上升至足以显着降低甚至基本上防止晶片对晶片的热冲击的水平的时间,当晶片与 内塞 然后升降环下降到与内塞的周围接合。 这是晶片保持器的晶片加工位置。
    • 4. 发明申请
    • Substrate support system for reduced autodoping and backside deposition
    • 用于减少自动掺杂和背面沉积的基板支撑系统
    • US20050193952A1
    • 2005-09-08
    • US11057111
    • 2005-02-11
    • Matt GoodmanJereon StoutyesdijkRavinder AggarwalMike HalpinTony KeetonMark HawkinsLee HaenArmand FerroPaul BrabantRobert VyneGregory BartlettJoseph ItalianoBob Haro
    • Matt GoodmanJereon StoutyesdijkRavinder AggarwalMike HalpinTony KeetonMark HawkinsLee HaenArmand FerroPaul BrabantRobert VyneGregory BartlettJoseph ItalianoBob Haro
    • C23C16/00C23C16/458C30B25/12C30B25/14H01L21/00H01L21/687
    • H01L21/68735H01J37/32871H01L21/67028
    • A substrate support system comprises a relatively thin circular substrate holder having a plurality of passages extending between top and bottom surfaces thereof. The substrate holder includes a single substrate support ledge or a plurality of substrate support spacer vanes configured to support a peripheral portion of the substrate backside so that a thin gap is formed between the substrate and the substrate holder. The vanes can be angled to resist backside deposition of reactant gases as the substrate holder is rotated. A hollow support member provides support to an underside of the substrate holder. The hollow support member is configured to convey gas (e.g., inert gas or cleaning gas) upward into one or more of the passages of the substrate holder. The upwardly conveyed gas flows into the gap between the substrate and the substrate holder. Depending upon the embodiment of the invention, the gas in the gap can then flow either (1) outward and upward around the substrate edge or (2) downward through passages of the substrate holder, if any, that do not lead back into the hollow support member. The gas that flows outward and upward around the substrate edge inhibits backside deposition of reactant gases above the substrate. The gas that flows downward through the passages that do not lead back to the support member advantageously inhibits autodoping by sweeping out-diffused dopant atoms away from the substrate front side. In one embodiment, the support member comprises a hollow multi-armed support spider that conveys gas into selected ones of the passages. In another embodiment, the support member comprises a bowl- or cup-shaped structure that conveys gas upward into all of the passages. In yet another embodiment, the support member comprises a bowl- or cup-shaped structure that conveys gas upward into all but one or more of the passages.
    • 衬底支撑系统包括相对薄的圆形衬底保持器,其具有在其顶表面和底表面之间延伸的多个通道。 衬底保持器包括单个衬底支撑凸缘或多个衬底支撑间隔器叶片,其构造成支撑衬底背面的周边部分,使得在衬底和衬底保持器之间形成薄的间隙。 当基板保持器旋转时,叶片可以成角度以抵抗反应气体的背面沉积。 中空的支撑构件为衬底保持器的下侧提供支撑。 中空支撑构件被构造成将气体(例如,惰性气体或清洁气体)向上输送到衬底保持器的一个或多个通道中。 向上输送的气体流入基板和基板支架之间的间隙。 根据本发明的实施例,间隙中的气体然后可以(1)围绕衬底边缘向外和向上流动,或者(2)向下通过衬底保持器的通道(如果有的话),其不会引导回到空心 支持会员 在衬底边缘周围向外和向上流动的气体阻止在衬底上方的反应物气体的背面沉积。 通过通道向下流动的气体不会返回到支撑构件,有利地通过从扩散的掺杂​​剂原子远离衬底正面来扫除自发掺杂。 在一个实施例中,支撑构件包括将气体输送到选定的通道中的中空多臂支撑蜘蛛。 在另一个实施例中,支撑构件包括将气体向上输送到所有通道中的碗形或杯状结构。 在另一个实施例中,支撑构件包括碗形或杯状结构,其将气体向上输送到除了一个或多个通道中的所有通道中。
    • 7. 发明授权
    • Localized heating of substrates using optics
    • 使用光学元件的基板的局部加热
    • US06879777B2
    • 2005-04-12
    • US10265519
    • 2002-10-03
    • Matthew G. GoodmanTony J KeetonRavinder AggarwalMark Hawkins
    • Matthew G. GoodmanTony J KeetonRavinder AggarwalMark Hawkins
    • H01L21/00F26B3/30
    • H01L21/67115
    • An apparatus for processing a semiconductor substrate, including a process chamber having a plurality of walls and a substrate support to support the substrate within the process chamber. A radiative heat source is positioned outside the process chamber to heat the substrate through the walls when the substrate is positioned on the substrate support. In some embodiments, lenses are positioned between the heat source and the substrate to focus or diffuse radiation from the heat source and thereby selectively alter the radiation intensity incident on certain portions of the substrate. In other embodiments, diffusing surfaces are positioned between the heat source and the substrate to diffuse radiation from the heat source and thereby selectively reduce the radiation intensity incident on certain portions of the substrate.
    • 一种用于处理半导体衬底的设备,包括具有多个壁的处理室和用于在处理室内支撑衬底的衬底支撑件。 当衬底定位在衬底支撑件上时,辐射热源位于处理室外部以通过壁加热衬底。 在一些实施例中,透镜位于热源和基板之间,以聚焦或散射来自热源的辐射,从而选择性地改变入射在基板的某些部分上的辐射强度。 在其它实施例中,扩散表面位于热源和衬底之间以扩散来自热源的辐射,从而选择性地降低入射到衬底的某些部分上的辐射强度。
    • 8. 发明授权
    • Calibration of temperature control system for semiconductor processing chamber
    • 半导体处理室温度控制系统校准
    • US08047706B2
    • 2011-11-01
    • US12273440
    • 2008-11-18
    • Matthew G. GoodmanMark HawkinsRavinder AggarwalMichael GivensEric HillGregory Bartlett
    • Matthew G. GoodmanMark HawkinsRavinder AggarwalMichael GivensEric HillGregory Bartlett
    • G01K15/00
    • G01K15/00
    • Methods and systems for calibrating a temperature control system in a vapor deposition chamber. A temperature sensor senses temperature within a semiconductor processing chamber and generates an output signal. A temperature control system controls a chamber temperature by controlling a heating apparatus based on the output signal. A method includes instructing the control system to target a setpoint temperature, and depositing a layer of material onto a surface in the chamber by a vapor deposition process. A variation of a property of the layer is measured while depositing the layer, the property known to vary cyclically as a thickness of the layer increases. The measured property is allowed to vary cyclically for one or more cycles. If there is a difference between a time period of one or more of the cycles and an expected time period associated with the setpoint temperature, the temperature control system is adjusted based on the difference.
    • 用于校准气相沉积室中的温度控制系统的方法和系统。 温度传感器感测半导体处理室内的温度并产生输出信号。 温度控制系统通过基于输出信号控制加热装置来控制室温度。 一种方法包括指示控制系统目标设定点温度,以及通过气相沉积工艺将一层材料沉积在腔室的表面上。 在沉积层时测量该层的性质的变化,已知随着层的厚度周期性变化的性质增加。 允许测量的特性循环变化一个或多个循环。 如果一个或多个循环的时间段与与设定点温度相关联的期望时间段之间存在差异,则基于该差异来调整温度控制系统。