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    • 31. 发明申请
    • Plasma generating method, plasma generating apparatus, and plasma processing apparatus
    • 等离子体产生方法,等离子体产生装置和等离子体处理装置
    • US20070193513A1
    • 2007-08-23
    • US11708058
    • 2007-02-20
    • Hiroshige DeguchiHitoshi YonedaKenji KatoAkinori EbeYuichi Setsuhara
    • Hiroshige DeguchiHitoshi YonedaKenji KatoAkinori EbeYuichi Setsuhara
    • C23C16/00
    • C23C16/509H01J37/32192H01J37/3222
    • A plasma generating method and apparatus which use plural high-frequency antennas 2 to generate inductively coupled plasma, and a plasma processing apparatus using the apparatus. The antennas 2 are identical to one another. Application of a high-frequency electric power to the antennas 2 is performed from a high-frequency power source 4 which is disposed commonly to the antennas 2, through one matching circuit 5 and one busbar 3. The busbar 3 is partitioned into sections the number of which is equal to that of the antennas, while setting a portion which is connected to the matching circuit 5, as a reference. One-end portions of the antennas are connected to corresponding sections 31, 32, 33 through power supplying lines 311, 321, 331. The other end portions of the antennas are grounded. The impedances of the sections of the busbar, and those of the power supplying lines are adjusted so that same currents flow through the antennas, and a same voltage is applied to the antennas. Therefore, the inductively coupled plasma is generated while uniformalizing high-frequency electric powers supplied to the antennas 2.
    • 使用多个高频天线2生成电感耦合等离子体的等离子体产生方法和装置以及使用该装置的等离子体处理装置。 天线2彼此相同。 通过一个匹配电路5和一个母线3,从天线2共同配置的高频电源4向天线2施加高频电力。母线3被划分为多个 在设置连接到匹配电路5的部分作为参考时,其等于天线的天线。 天线的一端部分通过供电线311,321,331连接到对应部分31,32,33。天线的另一端接地。 调节母线段和供电线的部分的阻抗,使得相同的电流流过天线,并且向天线施加相同的电压。 因此,在对提供给天线2的高频电力进行均匀化的同时产生电感耦合等离子体。