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    • 2. 发明申请
    • SHOWERHEAD WITH REDUCED BACKSIDE PLASMA IGNITION
    • 具有减少背面等离子体点火的淋浴
    • WO2017062087A1
    • 2017-04-13
    • PCT/US2016/044080
    • 2016-07-26
    • APPLIED MATERIALS, INC.
    • WANG, HaitaoNOORBAKHSH, HamidZHANG, ChunleiSHOJI, Sergio FukudaRAMASWAMY, KartikSMITH, RolandMAYS, Brad L.
    • H01L21/02H01L21/205H05H1/46
    • C23C16/45565C23C16/4401H01J37/3244
    • Embodiments of the present disclosure relate to a showerhead assembly for use in a processing chamber. The showerhead assembly includes a porous insert disposed in a space defined between a gas distribution plate and a base plate to moderate the corrosive radicals resulting from plasma ignition to reduce particle issues and metal contamination in the chamber. The porous insert is a conductive material, such as metal, used to reduce the gap electrical field strength, or may be a dielectric material such as ceramic, polytetrafluoroethylene, polyamide-imide, or other materials with a low dielectric loss and high electrical field strength under conditions of high frequency and strong electric fields. As such, the electrical breakdown threshold is enhanced. The porous insert may reduce and/or eliminate showerhead backside plasma ignition and may include multiple concentric narrow rings that cover gas holes of the gas distribution plate.
    • 本公开的实施例涉及一种用于处理室的喷头组件。 喷头组件包括设置在气体分配板和基板之间的空间中的多孔插件,以缓和由等离子体点火引起的腐蚀性自由基,以减少腔室中的颗粒问题和金属污染。 多孔插入物是用于减小间隙电场强度的导电材料,例如金属,或者可以是诸如陶瓷,聚四氟乙烯,聚酰胺 - 酰亚胺或具有低介电损耗和高电场强度的其它材料的介电材料 在高频和强电场的条件下。 因此,电击穿阈值增强。 多孔插入件可以减少和/或消除喷头背面等离子体点火,并且可以包括覆盖气体分配板的气孔的多个同心的窄环。
    • 5. 发明申请
    • CRYSTAL PRODUCTION SYSTEMS AND METHODS
    • 水晶生产系统及方法
    • WO2016108931A1
    • 2016-07-07
    • PCT/US2015/000293
    • 2015-12-23
    • SITEC GMBHDASSEL, Mark, W.
    • DASSEL, Mark, W.KERAT, Uwe
    • H01L29/04H01L21/205
    • H01L21/205C23C16/4401C23C16/4404C23C16/4411C23C16/4417C23C16/442C23C16/46C30B29/00H01L29/04
    • Mechanically fluidized systems and processes allow for efficient, cost-effective production of silicon coated particles having very low levels of contaminants such as metals and oxygen. These silicon coated particles are produced, conveyed, and formed into crystals in an environment maintained at a low oxygen level or a very low oxygen level and a low contaminant level or very low contaminant level to minimize the formation of silicon oxides and minimize the deposition of contaminants on the coated particles. Such high purity coated silicon particles may not require classification and may be used in whole or in part in the crystal production method. The crystal production method and the resultant high quality of the silicon boules produced are improved by the reduction or elimination of the silicon oxide layer and contaminants on the coated particles.
    • 机械流化系统和工艺允许有效地,成本有效地生产具有非常低水平的污染物例如金属和氧的硅涂覆的颗粒。 这些硅涂覆的颗粒在保持在低氧水平或非常低的氧水平和低污染物水平或非常低的污染物水平的环境中生产,输送并形成晶体,以使氧化硅的形成最小化并最小化 涂层颗粒上的污染物。 这种高纯度涂覆的硅颗粒可能不需要分级,并且可以全部或部分地用于晶体生产方法中。 通过减少或消除涂覆的颗粒上的氧化硅层和污染物,可以提高晶体生产方法和所产生的高质量的硅凝胶。