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    • 1. 发明公开
    • PLASMA PROCESSING APPARATUS
    • Einrichtung zur Plasmabehandlung
    • EP1096554A1
    • 2001-05-02
    • EP99923919.7
    • 1999-06-04
    • TOKYO ELECTRON LIMITEDGoto, NaohisaAndo, Makoto
    • GOTO, NaohisaANDO, MakotoISHII, Nobuo
    • H01L21/3065
    • H01J37/3222H01J37/32192
    • In a plasma processing system, microwaves generated by a microwave generator (86) are guided to a plane antenna (62) to introduce the microwaves, which are attenuated exponentially, into a processing vessel (22) in which an object to be processed (W) is subjected to a plasma process. A microwave absorbing means (96) is disposed in a peripheral portion of the plane antenna (62) to absorb the microwaves propagating from a central portion of the plane antenna and to control the amount of reflected microwave. Thus the amount of the microwaves reflected toward the central portion of the plane antenna (62) by a peripheral portion of the plane antenna (62) is reduced to some extent so that electromagnetic field intensity is distributed uniformly.
    • 在等离子体处理系统中,由微波发生器(86)产生的微波被引导到平面天线(62),以将被指数地衰减的微波引入处理容器(22)中,在该处理容器(22)中,待加工物体(W )进行等离子体处理。 微波吸收装置(96)设置在平面天线(62)的周边部分中,以吸收从平面天线的中心部分传播的微波并控制反射微波的量。 因此,通过平面天线(62)的周边部分朝向平面天线(62)的中心部分反射的微波的量减少到一定程度,使得电磁场强度均匀分布。
    • 6. 发明公开
    • Slotted waveguide Antenna
    • 插槽波导天线
    • EP0329079A3
    • 1990-06-13
    • EP89102519.9
    • 1989-02-14
    • Asahi Kasei Kogyo Kabushiki KaishaGoto, Naohisa
    • Goto, Naohisa
    • H01Q21/00H01Q21/06
    • H01Q21/064H01Q21/005
    • A slotted waveguide antenna comprises a plurality of radiating waveguides (38-1, 38-2,...) having at least one radiating slot (40), a feed waveguide (36) for feeding to the radiating waveguides (38-1, 38-2,...), and coupling apertures arranged between the feed waveguide (36) and the radiating waveguides (38-1, 38-2,...) at a distance of an integer multiple of teh guide wavelength (λ g ) of the feed waveguide (36). The plurality of radiating waveguides (38-­1, 38-2,...) are disposed in parallel to form an array in a manner that the radiating slots (40) in the respective radiating waveguides (38-1, 38-2,...) are directed in the same direction. The feed waveguide (36) is on the same plane as the array formed by the radiating waveguides (38-­1, 38-2,...). The transverse width of each radiating waveguide is one half of the distance between the adjacent coupling apertures (46-1, 46-2,...). The coupling apertures (46-1, 46-2,...) provided on the feed waveguide (36) supply electromagnetic waves having the same amplitude and the same phase to each radiating waveguide (38-1, 38-­2,...). The feed waveguide (36) and the radiating waveguides (38-1, 38-2,...) are arranged integrally on the same plane so that the overall structure is planar. The structure of the antenna is simple, so that the antenna is manufactured easily and inexpensively.
    • 9. 发明公开
    • Slotted waveguide Antenna
    • Antenne mit geschlitztem Hohlleiter。
    • EP0329079A2
    • 1989-08-23
    • EP89102519.9
    • 1989-02-14
    • Asahi Kasei Kogyo Kabushiki KaishaGoto, Naohisa
    • Goto, Naohisa
    • H01Q21/00H01Q21/06
    • H01Q21/064H01Q21/005
    • A slotted waveguide antenna comprises a plurality of radiating waveguides (38-1, 38-2,...) having at least one radiating slot (40), a feed waveguide (36) for feeding to the radiating waveguides (38-1, 38-2,...), and coupling apertures arranged between the feed waveguide (36) and the radiating waveguides (38-1, 38-2,...) at a distance of an integer multiple of teh guide wavelength (λ g ) of the feed waveguide (36). The plurality of radiating waveguides (38-­1, 38-2,...) are disposed in parallel to form an array in a manner that the radiating slots (40) in the respective radiating waveguides (38-1, 38-2,...) are directed in the same direction. The feed waveguide (36) is on the same plane as the array formed by the radiating waveguides (38-­1, 38-2,...). The transverse width of each radiating waveguide is one half of the distance between the adjacent coupling apertures (46-1, 46-2,...). The coupling apertures (46-1, 46-2,...) provided on the feed waveguide (36) supply electromagnetic waves having the same amplitude and the same phase to each radiating waveguide (38-1, 38-­2,...). The feed waveguide (36) and the radiating waveguides (38-1, 38-2,...) are arranged integrally on the same plane so that the overall structure is planar. The structure of the antenna is simple, so that the antenna is manufactured easily and inexpensively.
    • 开槽波导天线包括具有至少一个辐射槽(40)的多个辐射波导(38-1,38-2,...),馈送波导(36),用于馈送到辐射波导(38-1,38-2,...) 38-2,...),以及布置在馈送波导(36)和辐射波导(38-1,38-2,...)之间的距离为导向波长的整数倍(λ g)馈送波导(36)。 多个辐射波导(38-1,38-2,...)平行布置以形成阵列,使得各个辐射波导(38-1,38-2,...)中的辐射槽(40) ...)指向相同的方向。 馈电波导(36)在与由辐射波导(38-1,38-2,...)形成的阵列相同的平面上。 每个辐射波导的横向宽度是相邻耦合孔径(46-1,46-2,...)之间距离的一半。 设置在馈电波导(36)上的联接孔(46-1,46-2,...)向每个辐射波导(38-1,38-2,...)提供具有相同振幅和相同相位的电磁波。 )。 馈电波导(36)和辐射波导(38-1,38-2 ...)一体地布置在同一平面上,使得整体结构是平面的。 天线的结构简单,使得天线易于且廉价地制造。