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    • 7. 发明申请
    • REPAIRING DAMAGE TO LOW-K DIELECTRIC MATERIALS USING SILYLATING AGENTS
    • 使用硅化剂修复低K电介质材料的损伤
    • WO2005034194A2
    • 2005-04-14
    • PCT/US2004/031995
    • 2004-09-24
    • HONEYWELL INTERNATIONAL INC.
    • BHANAP, Anil, S.RAMOS, Teresa, A.IWAMOTO, NancyLEUNG, Roger, Y.
    • H01L
    • H01L21/31058H01L21/3105H01L21/76814H01L21/76826H01L2924/0002H01L2924/00
    • A method for restoring hydrophobicity to the surfaces of organosilicate glass dielectric films which have been subjected to an etchant or ashing treatment. These films are used as insulating materials in the manufacture of integrated circuits to ensure low and stable dielectric properties in these films. The method deters the formation of stress-induced voids in these films. An organosilicate glass dielectric film is patterned to form vias and trenches by subjecting it to an etchant or ashing reagent in such a way as to remove at least a portion of previously existing carbon containing moieties and reduce hydrophobicity of said organosilicate glass dielectric film. The vias and trenches are thereafter filled with a metal and subjected to an annealing treatment. After the film is subjected to the etchant or ashing reagent, but before being subjected to an annealing treatment, the film is contacted with a toughening agent composition to restore some of the carbon containing moieties and increase the hydrophobocity of the organosilicate glass dielectric film.
    • 用于恢复已经经历蚀刻剂或灰化处理的有机硅酸盐玻璃介电膜表面的疏水性的方法。 这些薄膜被用作集成电路制造中的绝缘材料,以确保这些薄膜具有低且稳定的介电性能。 该方法阻止这些膜中形成应力诱导的空隙。 通过使有机硅酸盐玻璃电介质膜经历蚀刻剂或灰化试剂以形成通路和沟槽,以去除至少一部分先前存在的含碳部分并降低所述有机硅酸盐玻璃电介质膜的疏水性。 之后用金属填充通孔和沟槽并进行退火处理。 在薄膜经受蚀刻剂或灰化试剂之后,但在进行退火处理之前,薄膜与增韧剂组合物接触以恢复一些含碳部分并增加有机硅酸盐玻璃介电膜的疏水性。 / p>