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    • 6. 发明授权
    • Inductively coupled plasma generating apparatus incorporating serpentine coil antenna
    • 含有蛇形线圈天线的感应耦合等离子体发生装置
    • US07381292B2
    • 2008-06-03
    • US10684522
    • 2003-10-15
    • Young-dong LeeYuri Nikolaevich TolmachevSeong-gu KimJai-kwang Shin
    • Young-dong LeeYuri Nikolaevich TolmachevSeong-gu KimJai-kwang Shin
    • H01L21/306C23C16/00
    • H01J37/321
    • An inductively coupled plasma (ICP) generating apparatus includes an evacuated reaction chamber, an antenna installed at an upper portion of the reaction chamber to induce an electric field for ionizing reaction gas supplied into the reaction chamber and generating plasma, and an radio frequency (RF) power source connected to the antenna to apply radio frequency power to the antenna, wherein the antenna has a plurality of coils having different radiuses, at least one of the coils being a serpentine coil bent in a zigzag pattern. Capacitors are connected between the RF power source and a matching network and between the matching network and the antenna, in parallel with the antenna, to induce a LC resonance phenomenon. With the ICP generating apparatus having the above structure, it is possible to reduce antenna inductance, suppress capacitive coupling, and improve plasma uniformity. It is also possible to discharge and sustain plasma efficiently using the LC resonance phenomenon.
    • 电感耦合等离子体(ICP)发生装置包括抽真空反应室,安装在反应室上部的天线,以诱导供给反应室的反应气体的电离电离并产生等离子体,以及射频 )电源连接到所述天线以对所述天线施加射频功率,其中所述天线具有多个具有不同半径的线圈,所述线圈中的至少一个是以锯齿形图案弯曲的蛇形线圈。 电容器连接在RF电源和匹配网络之间,并且与天线并联的匹配网络和天线之间,以引起LC共振现象。 利用具有上述结构的ICP发生装置,可以减少天线电感,抑制电容耦合并提高等离子体均匀性。 也可以使用LC共振现象有效地放电和维持等离子体。
    • 7. 发明授权
    • Microwave resonance plasma generating apparatus and plasma processing system having the same
    • 微波共振等离子体发生装置及其等离子体处理系统
    • US08039772B2
    • 2011-10-18
    • US11492122
    • 2006-07-25
    • Young-dong LeeIgor Antonovich KossyiMamikon Aramovich MisakyanMerab Ivanovich Taktakishvili
    • Young-dong LeeIgor Antonovich KossyiMamikon Aramovich MisakyanMerab Ivanovich Taktakishvili
    • B23K10/00
    • H01J37/32229H01J37/32192
    • A microwave resonance plasma generating apparatus, a plasma processing system having the same and a method of generating a microwave resonance plasma are provided. The apparatus includes a microwave generating unit which generates a microwave, and a plasma producing unit which produces electrons and photons of high energy using the microwave generated from the microwave generating unit. The plasma producing unit includes a coaxial waveguide having an inner electrode disposed adjacent to the microwave generating unit, an outer electrode connected to the microwave generating unit and disposed to coaxially surround a portion of the inner electrode, the outer electrode being shorter than the inner electrode, and a dielectric tube disposed between the inner electrode and the outer electrode to insulate between the inner electrode and the outer electrode. The coaxial waveguide utilizes a principle of “cut or truncated electrode of coaxial waveguide” and a resonance phenomenon of Langmiur.
    • 提供微波共振等离子体生成装置,具有该等离子体处理系统的等离子体处理系统和产生微波共振等离子体的方法。 该装置包括产生微波的微波产生单元和使用从微波产生单元产生的微波产生高能量的电子和光子的等离子体产生单元。 等离子体生成单元包括具有与微波发生单元相邻设置的内部电极的同轴波导,外部电极,其与微波发生单元连接并且设置成同轴地围绕内部电极的一部分,外部电极比内部电极短 以及设置在内部电极和外部电极之间以在内部电极和外部电极之间绝缘的电介质管。 同轴波导采用“同轴波导的切割或截短电极”和Langmiur共振现象的原理。