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    • 3. 发明申请
    • APPARATUS AND METHODS FOR CONTROLLING WAFER TEMPERATURE IN CHEMICAL MECHANICAL POLISHING
    • 化学机械抛光中控制温度的设备及方法
    • WO2003057406A1
    • 2003-07-17
    • PCT/US2002/040150
    • 2002-12-13
    • LAM RESEARCH CORPORATION
    • BRIGHT, NicholasHEMKER, David, J.
    • B24B37/04
    • B24B37/015B24B37/30
    • Apparatus and methods control the temperature of a wafer (52) for chemical mechanical polishing operations. A wafer carrier (66) has a wafer mounting surface for positioning the wafer adjacent to a thermal energy transfer unit (64) for transferring energy relative to the wafer (52). A thermal energy detector (54) is oriented adjacent to the wafer mounting surface for detecting the temperature of the wafer (52). A controller (60) is responsive to the detector (54) for controlling the supply of thermal energy relative to the thermal energy transfer unit (64). Embodiments include defining separate areas of the wafer, providing separate sections of the thermal energy transfer unit (64) for each separate area, and separately detecting the temperature of each separate area to separately control the supply of thermal energy relative to the thermal energy transfer unit (64) associated with the separate area.
    • 设备和方法控制用于化学机械抛光操作的晶片(52)的温度。 晶片载体(66)具有晶片安装表面,用于将晶片定位成与热能传递单元(64)相邻以相对于晶片(52)传递能量。 热能检测器(54)定向成邻近晶片安装表面,用于检测晶片(52)的温度。 控制器(60)响应于检测器(54)来控制相对于热能传递单元(64)的热能供应。 实施例包括限定晶片的独立区域,为每个单独的区域提供热能传递单元(64)的分开的部分,并且分别检测每个分离区域的温度,以单独地控制相对于热能传递单元的热能供应 (64)与分离区域相关联。
    • 8. 发明授权
    • PLASMA PROCESSING SYSTEMS AND METHOD THEREFOR
    • 等离子体处理装置及方法
    • EP1230666B1
    • 2007-02-07
    • EP00982118.2
    • 2000-11-14
    • LAM RESEARCH CORPORATION
    • BAILEY, Andrew, D., IIISCHOEPP, Alan, M.HEMKER, David, J.WILCOXSON, Mark, H.KUTHI, Andras
    • H01J37/32
    • H01J37/32623H01J37/3266
    • A plasma processing system for processing a substrate which includes a single chamber, substantially azimuthally symmetric plasma processing chamber within which a plasma is both ignited and sustained for the processing. The plasma processing chamber has no separate plasma generation chamber. The plasma processing chamber has an upper end and a lower end. The plasma processing system includes a coupling window disposed at an upper end of the plasma processing chamber and an RF antenna arrangement disposed above a plane defined by the substrate when the substrate is disposed within the plasma processing chamber for the processing. The plasma processing system also includes an electromagnet arrangement disposed above the plane defined by the substrate. The electromagnet arrangement is configured so as to result in a radial variation in the controllable magnetic field within the plasma processing chamber in the region proximate the coupling window and antenna when at least one direct current is supplied to the electromagnet arrangement. The radial variation is effective to affect processing uniformity across the substrate. The plasma processing system additionally includes a dc power supply coupled to the electromagnet arrangement. The dc power supply has a controller to vary a magnitude of at least one direct current, thereby changing the radial variation in the controllable magnetic field within the plasma processing chamber in the region proximate the antenna to improve the processing uniformity across the substrate.