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    • 23. 发明授权
    • Plasma uniformity control by gas diffuser hole design
    • 通过气体扩散器孔设计的等离子体均匀性控制
    • US08083853B2
    • 2011-12-27
    • US10889683
    • 2004-07-12
    • Soo Young ChoiJohn M. WhiteQunhua WangLi HouKi Woon KimShinichi KuritaTae Kyung WonSuhail AnwarBeom Soo ParkRobin L. Tiner
    • Soo Young ChoiJohn M. WhiteQunhua WangLi HouKi Woon KimShinichi KuritaTae Kyung WonSuhail AnwarBeom Soo ParkRobin L. Tiner
    • C23C16/00C23C16/455H01L21/3065
    • H01J37/3244C23C16/345C23C16/455C23C16/45565C23C16/5096H01J37/32082H01J37/32091H01J37/32541H01J37/32596H01J2237/327H01J2237/3321H01J2237/3323H01J2237/3325Y10T29/49885Y10T29/49996
    • Embodiments of a gas diffuser plate for distributing gas in a processing chamber are provided. The gas distribution plate includes a diffuser plate having an upstream side and a downstream side, and a plurality of gas passages passing between the upstream and downstream sides of the diffuser plate. The gas passages include hollow cathode cavities at the downstream side to enhance plasma ionization. The depths, the diameters, the surface area and density of hollow cathode cavities of the gas passages that extend to the downstream end can be gradually increased from the center to the edge of the diffuser plate to improve the film thickness and property uniformity across the substrate. The increasing diameters, depths and surface areas from the center to the edge of the diffuser plate can be created by bending the diffuser plate toward downstream side, followed by machining out the convex downstream side. Bending the diffuser plate can be accomplished by a thermal process or a vacuum process. The increasing diameters, depths and surface areas from the center to the edge of the diffuser plate can also be created computer numerically controlled machining. Diffuser plates with gradually increasing diameters, depths and surface areas of the hollow cathode cavities from the center to the edge of the diffuser plate have been shown to produce improved uniformities of film thickness and film properties.
    • 提供了用于在处理室中分配气体的气体扩散板的实施例。 气体分配板包括具有上游侧和下游侧的扩散板,以及在扩散板的上游侧和下游侧之间通过的多个气体通路。 气体通道包括在下游侧的中空阴极腔,以增强等离子体电离。 延伸到下游端的气体通道的空心阴极腔的深度,直径,表面积和密度可以从扩散板的中心到边缘逐渐增加,以改善衬底上的膜厚度和性能均匀性 。 从扩散板的中心到边缘的直径,深度和表面积的增加可以通过向下游侧弯曲扩散板,然后在凸出的下游侧加工出来。 扩散板的弯曲可以通过热处理或真空工艺来实现。 从扩散板的中心到边缘的直径,深度和表面积的增加也可以用计算机数字控制加工。 具有从扩散板的中心到边缘的中空阴极腔的直径逐渐增加,深度和表面积逐渐增大的扩散板已被证明可以产生改善的膜厚度和膜性质的均匀性。
    • 24. 发明授权
    • Systems and methods for calibrating inkjet print head nozzles using light transmittance measured through deposited ink
    • 使用通过沉积墨水测量的透光度来校准喷墨打印头喷嘴的系统和方法
    • US07992956B2
    • 2011-08-09
    • US11758631
    • 2007-06-05
    • Quanyuan ShangJohn M. White
    • Quanyuan ShangJohn M. White
    • B41J29/393
    • B41J29/393
    • The present invention provides inkjet print nozzle calibration systems and methods for calibrating an inkjet print nozzle. The systems may include an inkjet print nozzle adapted to dispense ink onto a substrate in response to a firing pulse voltage, a light source adapted to illuminate the dispensed ink, an imaging system adapted to measure a transmittance of light through the dispensed ink, and a controller adapted to controllably adjust the inkjet print nozzle based on the measured light transmittance. The methods may include dispensing ink onto a surface with an inkjet print nozzle set at a firing pulse voltage, measuring a light transmittance characteristic of the dispensed ink, determining a volume of ink dispensed based on the transmittance characteristic, and adjusting a fire pulse voltage of the inkjet print nozzle based on a difference between the determined volume of ink dispensed and an expected volume level of ink dispensed.
    • 本发明提供喷墨打印喷嘴校准系统和用于校准喷墨打印喷嘴的方法。 系统可以包括喷墨打印喷嘴,其适于响应于点火脉冲电压将油墨分配到衬底上,适合于照亮所分配的油墨的光源,适于测量通过分配的油墨的光的透射率的成像系统,以及 控制器,其适于基于测量的透光率可控地调节喷墨打印喷嘴。 所述方法可以包括将墨水分配到具有设置在点火脉冲电压的喷墨打印喷嘴的表面上,测量所分配的墨水的透光率特性,基于透射特性确定分配的墨水体积,以及调节喷射脉冲电压 喷墨打印喷嘴基于确定的墨水分配量和分配的墨水的预期体积水平之间的差异。
    • 26. 发明申请
    • Method of cleaning a CVD processing chamber
    • 清洗CVD处理室的方法
    • US20110041873A1
    • 2011-02-24
    • US12925767
    • 2010-10-28
    • Gaku FurutaTae Kyung WonJohn M. White
    • Gaku FurutaTae Kyung WonJohn M. White
    • B08B7/00
    • 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。
    • 27. 发明授权
    • Partially suspended rolling magnetron
    • 部分悬浮磁控管
    • US07879210B2
    • 2011-02-01
    • US11347667
    • 2006-02-03
    • Makoto InagawaAkihiro HosokawaJohn M. White
    • Makoto InagawaAkihiro HosokawaJohn M. White
    • C23C14/35
    • H01J37/3408H01J37/3435H01J37/3455
    • A magnetron scanning and support mechanism in which the magnetron is partially supported from an overhead scanning mechanism through multiple springs coupled to different horizontal locations on the magnetron and partially supported from below at multiple locations on the target, on which it slides or rolls. In one embodiment, the yoke plate is continuous and uniform. In another embodiment, the magnetron's magnetic yoke is divided into two flexible yokes, for example, of complementary serpentine shape and each supporting magnets of respective polarity. The yokes separated by a gap sufficiently small that the two yokes are magnetically coupled. Each yoke has its own set of spring supports from above and rolling/sliding supports from below to allow the magnetron shape to conform to that of the target. Alternatively, narrow slots are formed in a unitary yoke.
    • 一种磁控管扫描和支撑机构,其中磁控管通过耦合到磁控管上的不同水平位置的多个弹簧部分地从顶部扫描机构支撑,并且在靶上的多个位置处从其下方部分地支撑,在其上滑动或滚动。 在一个实施例中,轭板是连续且均匀的。 在另一个实施例中,磁控管的磁轭被分成两个柔性轭,例如互补的蛇形形状和各个极性的每个支撑磁体。 磁轭分开足够小的间隙,使得两个磁轭磁耦合。 每个轭具有其自己的一组弹簧支撑件,从上方起滚动/滑动支撑件,从而允许磁控管形状与靶材的形状一致。 或者,窄槽形成为单一轭。