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    • 55. 发明申请
    • METHOD AND APPARATUS FOR DETECTING THE SUBSTRATE TEMPERATURE IN A LASER ANNEAL SYSTEM
    • 用于检测激光神经系统中底物温度的方法和装置
    • US20090296774A1
    • 2009-12-03
    • US12475404
    • 2009-05-29
    • Blake KoelmelAbhilash J. Mayur
    • Blake KoelmelAbhilash J. Mayur
    • G01J5/00
    • H01L21/67248G01J5/048H01L21/67253H01L21/68742
    • Embodiments of the invention provide a method and an apparatus for detecting the temperature of a substrate surface. In one embodiment, a method for measuring the temperature is provided which includes exposing the surface of the substrate to a laser beam radiating from a laser source, radiating emitted light from a portion of the surface of the substrate, through the shadow ring, and towards a thermal sensor, and determining the temperature of the portion of the surface of the substrate from the emitted light. The substrate may be disposed on a substrate support within a treatment region and a shadow ring may be disposed between the laser source and the surface of the substrate. The shadow ring may be selectively opaque to the laser beam and transparent to the emitted light.
    • 本发明的实施例提供了一种用于检测衬底表面的温度的方法和装置。 在一个实施例中,提供了一种用于测量温度的方法,其包括将衬底的表面暴露于从激光源辐射的激光束,从衬底表面的一部分通过阴影环辐射发射的光,并朝向 热传感器,并且从所发射的光确定衬底的表面部分的温度。 衬底可以设置在处理区域内的衬底支撑件上,并且阴影环可以设置在激光源和衬底的表面之间。 阴影环可以选择性地对激光束不透明并且对于发射的光是透明的。
    • 57. 发明授权
    • Tuning a substrate temperature measurement system
    • 调整基板温度测量系统
    • US6164816A
    • 2000-12-26
    • US133993
    • 1998-08-14
    • Wolfgang AderholdAbhilash J. MayurPeter A. Knoot
    • Wolfgang AderholdAbhilash J. MayurPeter A. Knoot
    • G01K15/00G01J5/00G01J5/10H01L21/26H01L21/66
    • G01J5/0003G01J5/0007G01J2005/0048
    • A technique and system for tuning temperature sensor readings in a thermal processing chamber includes determining an actual temperature profile for a substrate based on measurements of the substrate. A simulated temperature profile for the substrate is calculated using a respective interim temperature correction value for one or more temperature sensors associated with the chamber. A Gaussian-like distribution for thermal contributions from multiple radiation sources in the chamber can be used to simulate the temperature profile. The simulated temperature profile and the actual temperature profile are combined to form an estimated temperature profile. A final value for each respective temperature correction value is determined using an optimization algorithm which results in the estimated temperature profile being substantially uniform across the surface of the substrate. Each final temperature correction value is used as an offset to temperature measurements obtained from the corresponding temperature sensors.
    • 用于调节热处理室中的温度传感器读数的技术和系统包括基于衬底的测量来确定衬底的实际温度分布。 使用与腔室相关联的一个或多个温度传感器的相应临时温度校正值来计算衬底的模拟温度曲线。 可以使用室内来自多个辐射源的热贡献的高斯状分布来模拟温度分布。 将模拟温度曲线和实际温度曲线组合以形成估计的温度曲线。 使用优化算法来确定每个相应温度校正值的最终值,该优化算法导致估计的温度分布在衬底的表面上基本均匀。 每个最终温度校正值用作从相应的温度传感器获得的温度测量的偏移。