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    • 6. 发明申请
    • METHOD AND APPARATUS FOR CONTROLLING PLASMA UNIFORMITY
    • 用于控制等离子体均匀性的方法和装置
    • WO2009082763A2
    • 2009-07-02
    • PCT/US2008088351
    • 2008-12-24
    • APPLIED MATERIALS INCKUDELA JOZEFFURUTA GAKUSORENSEN CARL ACHOI SOO YOUNGWHITE JOHN M
    • KUDELA JOZEFFURUTA GAKUSORENSEN CARL ACHOI SOO YOUNGWHITE JOHN M
    • H01L21/205H05H1/34
    • H01J37/32623C23C16/345C23C16/5096H01J37/32082
    • Systems, methods, and apparatus involve a plasma processing chamber (200, 200', 200'') for depositing a film (231) on a substrate (232). The plasma processing chamber (200) includes a lid assembly (214) having a ground plate (225), a backing plate (240), and a non-uniformity (201) existing between the ground plate (225) and the backing plate (240). The non-uniformity (201) may interfere with RF wave uniformity and cause an impedance imbalance between portions of the ground plate (225) and backing plate (240). The non-uniformity (201) may include a structure (300) or a reduced spacing (400) of non-uniform surfaces. A reduced spacing (400) of non-uniform surfaces may exist where a first distance (d1, d2) between the ground plate (225) and the backing plate (240) at a first end (402) is different from a second distance (d3) between the ground plate (225) and the backing plate (240) at a second end (404). The structure (300) may be from 2cm to 10cm thick, cover from 20% to 50% of the backing plate (240), and be located away from a discontinuity (207) existing inside the chamber (200').
    • 系统,方法和装置包括用于在衬底(232)上沉积膜(231)的等离子体处理室(200,200',200“)。 等离子体处理室(200)包括具有接地板(225),背板(240)和存在于接地板(225)和背板(2)之间的不均匀性(201)的盖组件 240)。 不均匀性(201)可能会干扰RF波均匀性,并导致接地板(225)和背板(240)的部分之间的阻抗不平衡。 不均匀性(201)可以包括不均匀表面的结构(300)或减小的间隔(400)。 可以存在不均匀表面的减小的间隔(400),其中在第一端(402)处的接地板(225)和背板(240)之间的第一距离(d1,d2)不同于第二距离 d3)在第二端(404)处于接地板(225)和背板(240)之间。 结构(300)可以为2cm至10cm厚,覆盖背板(240)的20%至50%,并且位于远离存在于室(200')内部的不连续(207)的位置。
    • 8. 发明申请
    • RIGID RF TRANSMISSION LINE WITH EASY REMOVAL SECTION
    • 刚性RF传输线,易于拆卸
    • WO2008106499A3
    • 2008-10-30
    • PCT/US2008055100
    • 2008-02-27
    • APPLIED MATERIALS INCSORENSEN CARL AWHITE JOHN MNEILL KIM C
    • SORENSEN CARL AWHITE JOHN MNEILL KIM C
    • H01P1/06
    • H01P1/045H01J37/32082H01J37/32174
    • An RF feed for a processing apparatus is disclosed. Coupling an RF generator to an RF matching network by a rigid RF feed lessens the amount of power that is lost during transmission from the generator to the matching network. The rigid RF feed comprises an inverted J shaped section that decouples the generator from the matching network whenever servicing the chamber is necessary. The J shape section has two parallel portions coupled together by a perpendicular portion. The J shaped section may be removed as a one piece assembly by uncoupling the J shaped section at a location disposed near the top of the chamber and a location near the floor of the chamber. The connections between the J shaped section and the remainder of the RF feed face the same direction to ensure easy coupling and decoupling without twisting and/or bending any portion of the rigid RF feed.
    • 公开了一种用于处理设备的RF馈送。 通过刚性射频馈送将射频发生器耦合到射频匹配网络会减少从发生器到匹配网络传输过程中损失的功率量。 刚性射频馈电包括一个倒J形部分,无论何时需要维修腔室,都可将发生器与匹配网络分离。 J形部分具有通过垂直部分连接在一起的两个平行部分。 J形部分可通过在设置在腔室顶部附近的位置处的J形部分与腔室底部附近的位置处解开联接而被拆除为单件式组件。 J形部分和RF馈送的其余部分之间的连接面向相同的方向,以确保容易的耦合和解耦,而不会扭曲和/或弯曲刚性RF馈送的任何部分。
    • 9. 发明申请
    • RIGID RF TRANSMISSION LINE WITH EASY REMOVAL SECTION
    • RIGID射频发射线,轻松移除部分
    • WO2008106499B1
    • 2008-12-11
    • PCT/US2008055100
    • 2008-02-27
    • APPLIED MATERIALS INCSORENSEN CARL AWHITE JOHN MNEILL KIM C
    • SORENSEN CARL AWHITE JOHN MNEILL KIM C
    • H01P1/06
    • H01P1/045H01J37/32082H01J37/32174
    • An RF feed for a processing apparatus is disclosed. Coupling an RF generator to an RF matching network by a rigid RF feed lessens the amount of power that is lost during transmission from the generator to the matching network. The rigid RF feed comprises an inverted J shaped section that decouples the generator from the matching network whenever servicing the chamber is necessary. The J shape section has two parallel portions coupled together by a perpendicular portion. The J shaped section may be removed as a one piece assembly by uncoupling the J shaped section at a location disposed near the top of the chamber and a location near the floor of the chamber. The connections between the J shaped section and the remainder of the RF feed face the same direction to ensure easy coupling and decoupling without twisting and/or bending any portion of the rigid RF feed.
    • 公开了一种用于处理装置的RF馈送。 通过刚性RF馈送将RF发生器耦合到RF匹配网络可以减少在从发生器到匹配网络的传输过程中丢失的功率量。 刚性射频馈送包括倒置的J形截面,每当需要维护腔室时,将发生器与匹配网络分离。 J形截面具有通过垂直部分联接在一起的两个平行部分。 J形截面可以作为一个单独的组件被移除,该J形截面在设置在室顶部附近的位置处以及靠近该室底部的位置脱离J形截面。 J形截面和RF进料的其余部分之间的连接面向相同的方向,以确保容易的耦合和解耦,而不会扭曲和/或弯曲刚性RF进给的任何部分。
    • 10. 发明申请
    • ASYMMETRICAL RF DRIVE FOR ELECTRODE OF PLASMA CHAMBER
    • 等离子体电极用不对称RF驱动器
    • WO2009082753A2
    • 2009-07-02
    • PCT/US2008088265
    • 2008-12-24
    • APPLIED MATERIALS INC
    • KUDELA JOZEFSORENSEN CARL ACHOI SOO YOUNGWHITE JOHN M
    • H05H1/34H01L21/30
    • H01L21/02B44C1/227C23C16/513H01J37/32091H01J37/32577H01L21/02104
    • RF power is coupled to one or more RF drive points (50-56) on an electrode (20-28) of a plasma chamber such that the level of RF power coupled to the RF drive points (51-52, 55- 56) on the half (61) of the electrode that is closer to the workpiece passageway (12) exceeds the level of RF power coupled to the RF drive points (53-54), if any, on the other half (62) of the electrode. Alternatively, RF power is coupled to one or more RF drive points on an electrode of a plasma chamber such that the weighted mean of the drive point positions is between the center (60) of the electrode and the workpiece passageway. The weighted mean is based on weighting each drive point position by the time- averaged level of RF power coupled to that drive point position. The invention offsets an increase in plasma density that otherwise would exist adjacent the end of the electrode closest to the passageway.
    • RF功率耦合到等离子体室的电极(20-28)上的一个或多个RF驱动点(50-56),使得耦合到RF驱动点(51-52,55-56)的RF功率的电平 更靠近工件通道(12)的电极的一半(61)超过了电极的另一半(62)上耦合到RF驱动点(53-54)的RF功率的水平(如果有的话) 。 或者,RF功率耦合到等离子体室的电极上的一个或多个RF驱动点,使得驱动点位置的加权平均值在电极的中心(60)和工件通道之间。 加权平均值基于通过耦合到该驱动点位置的RF功率的时间平均水平来对每个驱动点位置进行加权。 本发明抵消等离子体密度的增加,否则其将邻近电极最靠近通道的端部存在。