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    • 3. 发明授权
    • Electron cyclotron resonance equipment with variable flare angle of horn antenna
    • 具有喇叭天线可变喇叭角的电子回旋共振设备
    • US07410552B2
    • 2008-08-12
    • US11007878
    • 2004-12-09
    • Ji-Hyun HurJai-Kwang ShinJae-Joon Oh
    • Ji-Hyun HurJai-Kwang ShinJae-Joon Oh
    • C23C16/00C23F1/00H01L21/306
    • H01J37/3222H01J37/32192H01J37/32678
    • An electron cyclotron resonance equipment generates plasma by application of a processing gas and microwave energy into a vacuum chamber having a wafer therein in an environment of reduced pressure. The equipment includes a horn antenna assembly mounted onto an uppermost end of the vacuum chamber for radiating the microwave energy supplied from a high-frequency generator into the vacuum chamber. The horn antenna enables extension and retraction in a lengthwise direction to change a flare angle of the horn antenna. The equipment is provided with a fixed antenna and a plurality of mobile antennas to configure a horn antenna assembly, thereby enabling control of the flare angle in the horn antenna as a result of displacement of the mobile antennas. Thus, the uniformity in radiation of the microwave energy within plasma chamber can be controlled with efficiency.
    • 电子回旋共振设备通过在减压环境中将处理气体和微波能量施加到其中具有晶片的真空室中来产生等离子体。 该设备包括安装在真空室的最上端的喇叭天线组件,用于将从高频发生器提供的微波能量辐射到真空室中。 喇叭天线能够在长度方向上伸长和缩回以改变喇叭天线的喇叭角。 该设备设置有固定天线和多个移动天线以配置喇叭天线组件,从而由于移动天线的位移而能够控制喇叭天线中的喇叭角。 因此,能够有效地控制等离子体室内的微波能量的辐射的均匀性。
    • 4. 发明申请
    • Electron cyclotron resonance equipment with variable flare angle of horn antenna
    • 具有喇叭天线可变喇叭角的电子回旋共振设备
    • US20050160986A1
    • 2005-07-28
    • US11007878
    • 2004-12-09
    • Ji-Hyun HurJai-Kwang ShinJae-Joon Oh
    • Ji-Hyun HurJai-Kwang ShinJae-Joon Oh
    • H01L21/3065C23C16/00H01J37/32
    • H01J37/3222H01J37/32192H01J37/32678
    • An electron cyclotron resonance equipment generates plasma by application of a processing gas and microwave energy into a vacuum chamber having a wafer therein in an environment of reduced pressure. The equipment includes a horn antenna assembly mounted onto an uppermost end of the vacuum chamber for radiating the microwave energy supplied from a high-frequency generator into the vacuum chamber. The horn antenna enables extension and retraction in a lengthwise direction to change a flare angle of the horn antenna. The equipment is provided with a fixed antenna and a plurality of mobile antennas to configure a horn antenna assembly, thereby enabling control of the flare angle in the horn antenna as a result of displacement of the mobile antennas. Thus, the uniformity in radiation of the microwave energy within plasma chamber can be controlled with efficiency.
    • 电子回旋共振设备通过在减压环境中将处理气体和微波能量施加到其中具有晶片的真空室中来产生等离子体。 该设备包括安装在真空室的最上端的喇叭天线组件,用于将从高频发生器提供的微波能量辐射到真空室中。 喇叭天线能够在长度方向上伸长和缩回以改变喇叭天线的喇叭角。 该设备设置有固定天线和多个移动天线以配置喇叭天线组件,从而由于移动天线的位移而能够控制喇叭天线中的喇叭角。 因此,能够有效地控制等离子体室内的微波能量的辐射的均匀性。