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    • 1. 发明申请
    • METHOD AND APPARATUS FOR CONTROLLING ION ENERGY DISTRIBUTION
    • 用于控制离子能量分布的方法和装置
    • WO2010126893A2
    • 2010-11-04
    • PCT/US2010/032582
    • 2010-04-27
    • ADVANCED ENERGY INDUSTRIES, INC.HECKMAN, RandyBROUK, Victor
    • HECKMAN, RandyBROUK, Victor
    • H01J37/32045C23C14/54H01J37/32009H01J37/32082H01J37/32174H01J37/32935H01J37/3299
    • Systems, methods and apparatus for regulating ion energies in a plasma chamber are disclosed. An exemplary system includes an ion-energy control portion, and the ion- energy control portion provides at least one ion-energy control signal responsive to at least one ion-energy setting that is indicative of a desired distribution of energies of ions bombarding a surface of a substrate. A controller is coupled to the switch-mode power supply, and the controller provides at least two drive-control signals. In addition, a switch-mode power supply is coupled to the substrate support, the ion-energy control portion and the controller. The switch-mode power supply includes switching components configured to apply power to the substrate responsive to the drive signals and the ion-energy control signal so as to effectuate the desired distribution of the energies of ions bombarding the surface of the substrate.
    • 公开了用于调节等离子体室中的离子能量的系统,方法和装置。 示例性系统包括离子能量控制部分,并且离子能量控制部分响应于至少一个离子能量设定提供至少一个离子能量控制信号,该至少一个离子能量设定指示轰击表面的离子的所需能量分布 的基底。 控制器耦合到开关模式电源,并且控制器提供至少两个驱动控制信号。 此外,开关模式电源耦合到衬底支撑件,离子能量控制部分和控制器。 开关电源包括响应于驱动信号和离子能量控制信号而被配置为向基板施加功率的开关部件,以实现轰击基板表面的离子的能量的期望分布。
    • 3. 发明申请
    • SYSTEM FOR CHARACTERIZING AC PROPERTIES OF A PROCESSING PLASMA
    • 用于表征加工等离子体的AC特性的系统
    • WO1993019571A1
    • 1993-09-30
    • PCT/US1993002444
    • 1993-03-18
    • ADVANCED ENERGY INDUSTRIES, INC.HECKMAN, Randy, L.
    • ADVANCED ENERGY INDUSTRIES, INC.
    • H05H01/00
    • H01J37/32935H01J37/32082H01J37/32963H01J37/3299H01J2237/334H05H1/0081
    • Probe (5) to be inserted in-line in an AC plasma processing system (3) allows accurate, real time determination of plasma parameters such as power and complex impedance over a broad dynamic range. Any need to know power output from a source is avoided and signals are selected to optimize accuracy such that only two alternating signals need be sensed for many applications. Signals are selected such that magnitudes of simple alternating signals can be easily measured as scalar values in a fashion that affords the use of these values to completely characterize the power actually delivered to the processing plasma (2) and its complex impedance in real time. Plasma characterization can be limited to only specific frequencies for more accurate determination. Microstrip directional couplers are used to sense signals from the power transmission. These signals are then utilized to derive simple alternating signals representative of power or voltage. Three or more scalar values representative of the magnitude of the alternating signals and their combination serve as the variable inputs to determine complex reflection coefficient or impedance using known formulas. Use of a sign bit detector or assumptions with respect to the processing plasma (2) is disclosed for complete characterization of the plasma in an efficient manner.
    • 在AC等离子体处理系统(3)中嵌入式的探针(5)允许在宽动态范围内精确,实时地确定诸如功率和复阻抗的等离子体参数。 避免从源中知道功率输出的任何需要,并且选择信号以优化精度,使得对于许多应用仅需要感测到两个交替信号。 选择信号使得简单交替信号的大小可以以提供使用这些值的方式容易地作为标量值来测量,从而完全表征实际传送到处理等离子体(2)的功率及其复阻抗。 等离子体表征可以仅限于特定频率以进行更准确的测定。 微带方向耦合器用于感测来自电力传输的信号。 然后利用这些信号来导出代表功率或电压的简单交替信号。 代表交变信号的幅度的三个或更多个标量值及其组合用作可变输入,以使用已知公式确定复反射系数或阻抗。 公开了使用符号位检测器或相对于处理等离子体(2)的假设,用于以有效的方式完整地表征等离子体。
    • 5. 发明申请
    • METHOD AND APPARATUS FOR CONTROLLING ION ENERGY DISTRIBUTION
    • 用于控制离子能量分布的方法和装置
    • WO2010126893A3
    • 2011-04-21
    • PCT/US2010032582
    • 2010-04-27
    • ADVANCED ENERGY IND INCHECKMAN RANDYBROUK VICTOR
    • HECKMAN RANDYBROUK VICTOR
    • H01L21/3065C23C16/52H01L21/205H05H1/00
    • H01J37/32045C23C14/54H01J37/32009H01J37/32082H01J37/32174H01J37/32935H01J37/3299
    • Systems, methods and apparatus for regulating ion energies in a plasma chamber are disclosed. An exemplary system includes an ion-energy control portion, and the ion- energy control portion provides at least one ion-energy control signal responsive to at least one ion-energy setting that is indicative of a desired distribution of energies of ions bombarding a surface of a substrate. A controller is coupled to the switch-mode power supply, and the controller provides at least two drive-control signals. In addition, a switch-mode power supply is coupled to the substrate support, the ion-energy control portion and the controller. The switch-mode power supply includes switching components configured to apply power to the substrate responsive to the drive signals and the ion-energy control signal so as to effectuate the desired distribution of the energies of ions bombarding the surface of the substrate.
    • 公开了用于调节等离子体室中的离子能量的系统,方法和装置。 示例性系统包括离子能量控制部分,并且离子能量控制部分响应于至少一个离子能量设定提供至少一个离子能量控制信号,该至少一个离子能量设定指示轰击表面的离子的所需能量分布 的基底。 控制器耦合到开关模式电源,并且控制器提供至少两个驱动控制信号。 此外,开关模式电源耦合到衬底支撑件,离子能量控制部分和控制器。 开关电源包括响应于驱动信号和离子能量控制信号而被配置为向基板施加功率的开关部件,以实现轰击基板表面的离子的能量的期望分布。