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    • 1. 发明申请
    • CALIBRATION OF TEMPERATURE CONTROL SYSTEM FOR SEMICONDUCTOR PROCESSING CHAMBER
    • 半导体加工室温度控制系统的校准
    • US20090147819A1
    • 2009-06-11
    • 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,并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。
    • 6. 发明申请
    • Automated switch scanning matrix for obtaining user input
    • 自动切换扫描矩阵,用于获取用户输入
    • US20060185096A1
    • 2006-08-24
    • US11061934
    • 2005-02-21
    • Howell ChilesMark Hawkins
    • Howell ChilesMark Hawkins
    • D06F33/02
    • D06F33/02D06F58/28H03K17/002
    • This invention is an automated switch scanning matrix for obtaining user input. The invention comprises an integrated circuit with an output register and an input register, the output register is operatively connected to one or more user switches or encoders and the switches or encoders are further operatively connected to the integrated circuit input register. A voltage is pulsed from the output register of the integrated circuit which then flows through closed contacts of the switches or encoders in the switching matrix and is then detected at the input registers of the integrated circuit. The switch position inputs are saved in a switch save register. The integrated circuit sets an interrupt bit if any of the switch positions in the matrix have changed. This, in turn, causes the microcontroller to read the switch save registers thereby saving time for the microcontroller by not having to continually read the switch inputs.
    • 本发明是用于获得用户输入的自动切换扫描矩阵。 本发明包括具有输出寄存器和输入寄存器的集成电路,输出寄存器可操作地连接到一个或多个用户开关或编码器,并且开关或编码器进一步可操作地连接到集成电路输入寄存器。 电压从集成电路的输出寄存器脉冲,然后流过开关矩阵中的开关或编码器的闭合触点,然后在集成电路的输入寄存器处被检测。 开关位置输入保存在开关保存寄存器中。 如果矩阵中的任何开关位置发生变化,集成电路将设置一个中断位。 这又导致微控制器读取开关保存寄存器,从而通过不必连续地读取开关输入来节省微控制器的时间。
    • 10. 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。