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    • 3. 发明申请
    • Deposition repeatability of PECVD films
    • PECVD膜的沉积重复性
    • US20060019031A1
    • 2006-01-26
    • US10898472
    • 2004-07-23
    • Gaku FurutaTae WonJohn White
    • Gaku FurutaTae WonJohn White
    • C23C16/00
    • C23C16/0209C23C16/5096
    • We have a method of improving the deposition rate uniformity of the chemical vapor deposition (CVD) of films when a number of substrates are processed in series, sequentially in a deposition chamber. The method includes the plasma pre-heating of at least one processing volume structure within the processing volume which surrounds the substrate when the substrate is present in the deposition chamber. We also have a device-controlled method which adjusts the deposition time for a few substrates at the beginning of the processing of a number of substrates in series, sequentially in a deposition chamber, so that the deposited film thickness remains essentially constant during processing of the series of substrates. A combination of these methods into a single method provides the best overall results in terms of controlling average film thickness from substrate to substrate.
    • 当在沉积室中顺序地处理多个基板时,我们具有提高膜的化学气相沉积(CVD)的沉积速率均匀性的方法。 该方法包括当衬底存在于沉积室中时,围绕衬底的处理体积内的至少一个处理体积结构的等离子体预热。 我们还有一种装置控制的方法,其可以在沉积室中顺次地串联处理多个基板的开始时调整几个基板的沉积时间,使得沉积膜厚度在处理期间保持基本恒定 系列底物。 将这些方法组合成单一方法提供了从基材到底物控制平均膜厚度方面的最佳总体结果。