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    • 7. 发明申请
    • LOW OXYGEN CONTENT PHOTORESIST STRIPPING PROCESS FOR LOW DIELECTRIC CONSTANT MATERIALS
    • 低介电常数材料的低氧含量光电子剥离工艺
    • US20060040474A1
    • 2006-02-23
    • US10920099
    • 2004-08-17
    • Jyu-Horng ShiehYi-Nien SuJang-Shiang TsaiChen-Nan YehHun-Jan Tao
    • Jyu-Horng ShiehYi-Nien SuJang-Shiang TsaiChen-Nan YehHun-Jan Tao
    • H01L21/322
    • H01L21/31138G03F7/427
    • A plasma containing 5-10% oxygen and 90-95% of an inert gas strips photoresist from over a low-k dielectric material formed on or in a semiconductor device. The inert gas may be nitrogen, hydrogen, or a combination thereof, or it may include at least one of nitrogen, hydrogen, NH3, Ar, He, and CF4. The operating pressure of the plasma may range from 1 millitorr to 150 millitor. The plasma removes photoresist, the hard skin formed on photoresist during aggressive etch processes, and polymeric depositions formed during etch processes. The plasma strips photoresist at a rate sufficiently high for production use and does not appreciably attack carbon-containing low-k dielectric materials. An apparatus including a plasma tool containing a semiconductor substrate and the low oxygen-content plasma, is also provided.
    • 含有5-10%氧气和90-95%惰性气体的等离子体从形成在半导体器件上或半导体器件中的低k电介质材料上剥离光致抗蚀剂。 惰性气体可以是氮气,氢气或它们的组合,或者它可以包括氮气,氢气,NH 3,Ar,He和CF 4中的至少一种。 。 等离子体的工作压力可以在1毫托至150毫升之间。 等离子体去除光致抗蚀剂,在腐蚀性蚀刻工艺期间在光致抗蚀剂上形成的硬皮以及在蚀刻工艺期间形成的聚合物沉积。 等离子体以足够高的生产用途的速率剥离光致抗蚀剂,并且不会明显地攻击含碳低k电介质材料。 还提供了包括含有半导体衬底和低含氧等离子体的等离子体工具的装置。
    • 8. 发明授权
    • Low oxygen content photoresist stripping process for low dielectric constant materials
    • 低介电常数材料的低含氧光刻胶剥离工艺
    • US07029992B2
    • 2006-04-18
    • US10920099
    • 2004-08-17
    • Jyu-Horng ShiehYi-Nien SuJang-Shiang TsaiChen-Nan YehHun-Jan Tao
    • Jyu-Horng ShiehYi-Nien SuJang-Shiang TsaiChen-Nan YehHun-Jan Tao
    • H01L21/322
    • H01L21/31138G03F7/427
    • A plasma containing 5–10% oxygen and 90–95% of an inert gas strips photoresist from over a low-k dielectric material formed on or in a semiconductor device. The inert gas may be nitrogen, hydrogen, or a combination thereof, or it may include at least one of nitrogen, hydrogen, NH3, Ar, He, and CF4. The operating pressure of the plasma may range from 1 millitorr to 150 millitor. The plasma removes photoresist, the hard skin formed on photoresist during aggressive etch processes, and polymeric depositions formed during etch processes. The plasma strips photoresist at a rate sufficiently high for production use and does not appreciably attack carbon-containing low-k dielectric materials. An apparatus including a plasma tool containing a semiconductor substrate and the low oxygen-content plasma, is also provided.
    • 含有5-10%氧气和90-95%惰性气体的等离子体从形成在半导体器件上或半导体器件中的低k电介质材料上剥离光致抗蚀剂。 惰性气体可以是氮气,氢气或它们的组合,或者它可以包括氮气,氢气,NH 3,Ar,He和CF 4中的至少一种。 。 等离子体的工作压力可以在1毫托至150毫升之间。 等离子体去除光致抗蚀剂,在腐蚀性蚀刻工艺期间在光致抗蚀剂上形成的硬皮以及在蚀刻工艺期间形成的聚合物沉积。 等离子体以足够高的生产用途的速率剥离光致抗蚀剂,并且不会明显地攻击含碳低k电介质材料。 还提供了包括含有半导体衬底和低含氧等离子体的等离子体工具的装置。