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    • 2. 发明申请
    • RADIO-FREQUENCY ANTENNA UNIT AND PLASMA PROCESSING APPARATUS
    • 无线电频率天线单元和等离子体处理设备
    • US20110080094A1
    • 2011-04-07
    • US12921063
    • 2009-03-03
    • Yuichi SetsuharaAkinori Ebe
    • Yuichi SetsuharaAkinori Ebe
    • H01J7/24
    • H05H1/46H01J37/321H01J37/3211
    • The present invention aims at providing a radio-frequency antenna unit capable of generating a high-density discharge plasma in a vacuum chamber. The radio-frequency antenna unit according to the present invention includes: a radio-frequency antenna through which a radio-frequency electric current can flow; a protective tube made of an insulator provided around the portion of the radio-frequency antenna that is in the vacuum chamber; and a buffer area provided between the radio-frequency antenna and the protective tube. The “buffer area” refers to an area where an acceleration of electrons is suppressed, and it can be formed, for example, with a vacuum or an insulator. Such a configuration can suppress an occurrence of an electric discharge between the antenna and the protective tube, enabling the generation of a high-density discharge plasma in the vacuum chamber.
    • 本发明旨在提供一种能够在真空室中产生高密度放电等离子体的射频天线单元。 根据本发明的射频天线单元包括:射频电天线可以流过的射频天线; 由位于真空室内的射频天线部分周围设置的保护管, 以及设置在射频天线与保护管之间的缓冲区。 “缓冲区”是指电子加速度被抑制的区域,例如可以用真空或绝缘体形成。 这样的结构可以抑制天线与保护管之间的放电的发生,能够在真空室中产生高密度放电等离子体。
    • 6. 发明授权
    • Radio-frequency antenna unit and plasma processing apparatus
    • 射频天线单元和等离子体处理装置
    • US09078336B2
    • 2015-07-07
    • US12921063
    • 2009-03-03
    • Yuichi SetsuharaAkinori Ebe
    • Yuichi SetsuharaAkinori Ebe
    • H01Q1/36H05H1/46H01J37/32
    • H05H1/46H01J37/321H01J37/3211
    • The present invention aims at providing a radio-frequency antenna unit capable of generating a high-density discharge plasma in a vacuum chamber. The radio-frequency antenna unit according to the present invention includes: a radio-frequency antenna through which a radio-frequency electric current can flow; a protective tube made of an insulator provided around the portion of the radio-frequency antenna that is in the vacuum chamber; and a buffer area provided between the radio-frequency antenna and the protective tube. The “buffer area” refers to an area where an acceleration of electrons is suppressed, and it can be formed, for example, with a vacuum or an insulator. Such a configuration can suppress an occurrence of an electric discharge between the antenna and the protective tube, enabling the generation of a high-density discharge plasma in the vacuum chamber.
    • 本发明旨在提供一种能够在真空室中产生高密度放电等离子体的射频天线单元。 根据本发明的射频天线单元包括:射频电天线可以流过的射频天线; 由位于真空室内的射频天线部分周围设置的保护管, 以及设置在射频天线与保护管之间的缓冲区。 “缓冲区”是指抑制电子加速的区域,例如可以用真空或绝缘体形成。 这样的结构可以抑制天线与保护管之间的放电的发生,能够在真空室中产生高密度放电等离子体。
    • 7. 发明授权
    • Thin-film forming sputtering system
    • 薄膜形成溅射系统
    • US08916034B2
    • 2014-12-23
    • US13059318
    • 2009-08-25
    • Yuichi SetsuharaAkinori EbeJeon Geon Han
    • Yuichi SetsuharaAkinori EbeJeon Geon Han
    • C23C14/35H01J37/34H01J37/32C23C14/34
    • H01J37/3408C23C14/3407C23C14/358H01J37/321H01J37/3211H01J37/3411H01J37/3417
    • A thin-film forming sputtering system capable of a sputtering process at a high rate. A thin-film forming sputtering system includes: a vacuum container; a target holder located inside the vacuum container; a target holder located inside the vacuum container; a substrate holder opposed to the target holder; a power source for applying a voltage between the target holder and the substrate holder; a magnetron-sputtering magnet provided behind the target holder, for generating a magnetic field having a component parallel to a target; and radio-frequency antennae for generating radio-frequency inductively-coupled plasma within a space in the vicinity of the target where the magnetic field generated by the magnetron-sputtering magnet has a strength equal to or higher than a predetermined level. The radio-frequency inductively-coupled plasma generated by the radio-frequency antennae promotes the supply of electrons into the aforementioned magnetic field, so that the sputtering process can be performed at a high rate.
    • 能够高速溅射工艺的薄膜形成溅射系统。 薄膜形成溅射系统包括:真空容器; 位于真空容器内的目标支架; 位于真空容器内的目标支架; 与靶保持器相对的衬底保持器; 用于在所述目标保持器和所述基板保持器之间施加电压的电源; 设置在目标支架后面的磁控溅射磁体,用于产生具有平行于目标的分量的磁场; 以及用于在由磁控溅射磁体产生的磁场具有等于或高于预定水平的强度的目标附近的空间内产生射频感应耦合等离子体的射频天线。 由射频天线产生的射频感应耦合等离子体促进电子向上述磁场的供给,从而可以高速率进行溅射处理。
    • 8. 发明申请
    • PLASMA PROCESSING APPARATUS
    • 等离子体加工设备
    • US20120031562A1
    • 2012-02-09
    • US13255200
    • 2010-03-10
    • Yuichi SetsuharaAkinori Ebe
    • Yuichi SetsuharaAkinori Ebe
    • C23F1/08
    • H01J37/321H01J37/3211H01J37/32477H05H1/46H05H2001/4667
    • The present invention provides a plasma processing device capable of inducing a strong radio-frequency electric field within a vacuum container while preventing sputtering of the antenna conductor, an increase in the temperature of the antenna conductor and the formation of particles. A plasma processing device according to the present invention includes a vacuum container, a radio-frequency antenna placed between an inner surface and an outer surface of a wall of the vacuum container, and a dielectric separating member for separating the radio-frequency antenna from an internal space of the vacuum container. As compared to a device using an external antenna, the present device can induce a stronger magnetic field in the vacuum container. The separating member has the effects of preventing the radio-frequency antenna from undergoing sputtering by the plasma produced in the vacuum container, suppressing an increase in the temperature of the radio-frequency antenna, and preventing the formation of particles.
    • 本发明提供一种等离子体处理装置,其能够在防止天线导体的溅射,天线导体的温度升高和颗粒的形成的同时在真空容器内产生强的射频电场。 根据本发明的等离子体处理装置包括真空容器,放置在真空容器的壁的内表面和外表面之间的射频天线以及用于将射频天线与 真空容器的内部空间。 与使用外部天线的装置相比,本装置可以在真空容器中引起更强的磁场。 分离部件具有防止射频天线由真空容器内产生的等离子体进行溅射,抑制高频天线的温度上升,防止形成粒子的效果。
    • 10. 发明申请
    • THIN-FILM FORMATION SPUTTERING DEVICE
    • 薄膜形成溅射装置
    • US20140216928A1
    • 2014-08-07
    • US14240956
    • 2011-08-30
    • Yuichi SetsuharaAkinori Ebe
    • Yuichi SetsuharaAkinori Ebe
    • H01J37/34
    • H01J37/3411C23C14/3471C23C14/358H01J37/321H01J37/3211H01J37/3408H01J37/3417
    • A thin-film formation sputtering device capable of forming a high-quality thin film at high rates is provided. A sputtering device includes a target holder provided in a vacuum container, a substrate holder facing the target holder, a means for introducing a plasma generation gas into the vacuum container, a means for generating an electric field for sputtering in a region including a surface of a target, an antenna placement room provided between inner and outer surfaces of a wall of the vacuum container as well as separated from an inner space of the vacuum container by a dielectric window, and a radio-frequency antenna, which is provided in the antenna placement room, for generating a radio-frequency induction electric field in the region including the surface of the target held by the target holder.
    • 提供能够以高速率形成高质量薄膜的薄膜形成溅射装置。 溅射装置包括设置在真空容器中的靶保持器,面向靶保持器的基板保持器,用于将等离子体产生气体引入真空容器的装置,用于在包括表面的区域中产生用于溅射的电场的装置 目标,设置在真空容器的壁的内表面和外表面之间以及通过介电窗与真空容器的内部空间分离的天线放置室,以及设置在天线中的射频天线 放置室,用于在包括由目标保持器保持的目标表面的区域中产生射频感应电场。