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    • 13. 发明申请
    • METHOD FOR PURIFYING A METAL CARBONYL PRECURSOR
    • 用于净化金属碳前驱体的方法
    • WO2007040596A1
    • 2007-04-12
    • PCT/US2006/007675
    • 2006-03-02
    • TOKYO ELECTRON LIMITEDTOKYO ELECTRON AMERICA, INC.SUZUKI, Kenji
    • SUZUKI, Kenji
    • C23C16/44H01L21/32B01D47/02
    • C23C16/4402C23C16/16
    • A method of purifying a metal carbonyl precursor (3a) in a metal precursor vaporization system (2) where the metal carbonyl precursor (3a) comprises a metal particulate impurity (3b). The method includes flowing a CO-containing gas through the metal precursor vaporization system (2) to a precursor collection system (7) in fluid communication with the metal precursor vaporization system (2) to separate the metal carbonyl precursor (3a) from the metal particulate impurity (3b) and to transfer the metal carbonyl precursor (3a) to the precursor collection system (7), and collecting the transferred metal carbonyl precursor (3a) in the precursor collection system (7), where an amount of the metal particulate impurity (3b) is lower in the precursor collection system (7) than in the precursor vaporization system (2) and the precursor collection system (7) is maintained at a lower temperature than the metal precursor vaporization system (2). A metal carbonyl precursor parameter may be monitored to determine a status of the metal carbonyl precursor (3a) and the need for purifying the metal carbonyl precursor (3a).
    • 在金属前体蒸发系统(2)中纯化羰基金属前体(3a)的方法,其中金属羰基前体(3a)包含金属颗粒杂质(3b)。 该方法包括将含CO的气体通过金属前体蒸发系统(2)流动到与金属前体蒸发系统(2)流体连通的前体收集系统(7),以将金属羰基前体(3a)与金属 颗粒杂质(3b),并将金属羰基前体(3a)转移到前体收集系统(7),并收集前体收集系统(7)中转移的金属羰基前体(3a),其中一定量的金属颗粒 前体收集系统(7)中的杂质(3b)比前体蒸发系统(2)中的低,并且前体收集系统(7)保持在比金属前体蒸发系统(2)更低的温度。 可以监测金属羰基前体参数以确定金属羰基前体(3a)的状态和对金属羰基前体(3a)的纯化的需要。
    • 16. 发明申请
    • METHOD AND SYSTEM FOR FORMING AVARIABLE THICKNESS SEED LAYER
    • 用于形成可变厚度种子层的方法和系统
    • WO2006104647A3
    • 2006-11-16
    • PCT/US2006008112
    • 2006-03-07
    • TOKYO ELECTRON LTDTOKYO ELECTRON AMERICA INCMATSUDA TSUKASA
    • MATSUDA TSUKASA
    • C23C16/455
    • C23C16/18C23C16/16H01L21/28556H01L21/76868H01L21/76873
    • A method and system (1 ) for forming a variable thickness seed layer (102, 116) on a substrate (25, 100, 110) for a subsequent metal electrochemical plating process, where the seed layer thickness profile improves uniformity of the electroplated metal layer compared to when using a constant thickness seed layer. The method includes providing a substrate (25, 100, 110) in a process chamber (10) containing a showerhead (30), with the center (106, 122) of the substrate (25, 100, 110) generally aligned with an inner gas delivery zone (32) of the showerhead (30) and the edge (104, 120) of the substrate (25, 100, 110) generally aligned with an outer gas delivery zone (34) of the showerhead (30). The method further includes depositing a seed layer (102, 116) on the substrate (25, 100, 110) by exposing the substrate (25, 100, 110) to a first gas containing a metal-containing precursor flowed through the inner gas delivery zone (32), and exposing the substrate (25, 100, 110) to a second gas flowed through the outer gas delivery zone (34), whereby the seed layer (102, 116) is deposited with a thickness at the edge (104, 120) of the substrate (25, 100, 110) that is less than the thickness at the center (106, 122) of the substrate (25, 100, 110).
    • 一种用于在随后的金属电化学电镀工艺中在衬底(25,100,110)上形成可变厚度晶种层(102,116)的方法和系统(1),其中晶种层厚度分布改善了电镀金属层 与使用恒定厚度种子层时相比。 该方法包括在包含喷头(30)的处理室(10)中提供衬底(25,100,110),衬底(25,100,110)的中心(106,122)大致与衬底 (30)的气体输送区域(32)和基板(25,100,110)的边缘(104,120)大致与喷头(30)的外部气体输送区域(34)对齐。 该方法进一步包括通过将衬底(25,100,110)暴露于含有流经内部气体输送装置的含金属前体的第一气体而在衬底(25,100,110)上沉积种子层(102,116) (32),并且将所述衬底(25,100,110)暴露于流经所述外部气体输送区域(34)的第二气体,由此所述籽晶层(102,116)在所述边缘(104) (25,100,110)的中心(106,122)处的厚度小于所述衬底(25,100,110)的厚度。