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    • 5. 发明授权
    • Multi-component barrier polishing solution
    • 多组分屏障抛光液
    • US07842192B2
    • 2010-11-30
    • US11349863
    • 2006-02-08
    • Jinru BianZhendong Liu
    • Jinru BianZhendong Liu
    • C09K13/00
    • H01L21/3212C09G1/02
    • The polishing solution is useful for removing barrier materials in the presence of at least one nonferrous interconnect metal with limited erosion of dielectrics. The solution contains 0 to 20 weight percent oxidizer, at least 0.001 weight percent inhibitor for reducing removal rate of the nonferrous interconnect metals, 1 ppm to 4 weight percent organic-containing ammonium cationic salt formed with a quanternary ammonium structure, 1 ppm to 4 weight percent anionic surfactant, the anionic surfactant having 4 to 25 carbon atoms and the total carbon atoms in of the ammonium cationic salt plus the anionic surfactant being 6 to 40 carbon atoms, 0 to 50 weight percent abrasive and balance water; and the solution having a pH of less than 7.
    • 在至少一种具有有限的电介质腐蚀的有色互连金属的存在下,抛光溶液可用于去除阻挡材料。 该溶液含有0至20重量百分比的氧化剂,至少0.001重量%的用于降低有色互连金属去除速率的抑制剂,1ppm至4重量%的由铵季铵结构形成的含铵阳离子盐,1ppm至4重量% 阴离子表面活性剂,阴离子表面活性剂具有4至25个碳原子,铵阳离子盐加阴离子表面活性剂的总碳原子数为6至40个碳原子,0至50重量%的研磨剂和余量的水; 并且该溶液的pH值小于7。
    • 8. 发明申请
    • Multi-component barrier polishing solution
    • 多组分屏障抛光液
    • US20070184661A1
    • 2007-08-09
    • US11349863
    • 2006-02-08
    • Jinru BianZhendong Liu
    • Jinru BianZhendong Liu
    • C09K13/00H01L21/461B44C1/22
    • H01L21/3212C09G1/02
    • The polishing solution is useful for removing barrier materials in the presence of at least one nonferrous interconnect metal with limited erosion of dielectrics. The solution contains 0 to 20 weight percent oxidizer, at least 0.001 weight percent inhibitor for reducing removal rate of the nonferrous interconnect metals, 1 ppm to 4 weight percent organic-containing ammonium cationic salt formed with a quantenary ammonium structure, 1 ppm to 4 weight percent anionic surfactant, the anionic surfactant having 4 to 25 carbon atoms and the total carbon atoms in of the ammonium cationic salt plus the anionic surfactant being 6 to 40 carbon atoms, 0 to 50 weight percent abrasive and balance water; and the solution having a pH of less than 7.
    • 在至少一种具有有限的电介质腐蚀的有色互连金属的存在下,抛光溶液可用于去除阻挡材料。 该溶液含有0至20重量百分比的氧化剂,至少0.001重量%的用于降低有色互连金属去除速率的抑制剂,1ppm至4重量%的有机铵阳离子盐,其形成量为1ppm至4重量% 阴离子表面活性剂,阴离子表面活性剂具有4至25个碳原子,铵阳离子盐加阴离子表面活性剂的总碳原子数为6至40个碳原子,0至50重量%的研磨剂和余量的水; 并且该溶液的pH值小于7。
    • 9. 发明授权
    • Selective slurry for chemical mechanical polishing
    • 用于化学机械抛光的选择性浆料
    • US07790618B2
    • 2010-09-07
    • US11019882
    • 2004-12-22
    • Jinru Bian
    • Jinru Bian
    • H01L21/302
    • C09G1/02H01L21/31053H01L21/3212
    • An aqueous solution is useful for selective removal in the presence of a low-k dielectric. The aqueous solution comprises by weight percent 0 to 25 oxidizer; 0.00002 to 5 multi-component surfactant, the multi-component surfactant having a hydrophobic tail, a nonionic hydrophilic portion and an anionic hydrophilic portion, the hydrophobic tail having 6 to 30 carbon atoms and the nonionic hydrophilic portion having 10 to 300 carbon atoms; 0 to 15 inhibitor for a nonferrous metal; 0 to 50 abrasive; 0 to 20 complexing agent for a nonferrous metal; and water.
    • 水溶液可用于在低k电介质存在下的选择性去除。 该水溶液包含0至25重量%的氧化剂; 0.00002〜5的多组分表面活性剂,具有疏水性尾部的多组分表面活性剂,非离子亲水部分和阴离子亲水部分,所述疏水性尾部具有6〜30个碳原子,所述非离子亲水部分具有10〜300个碳原子; 0〜15有色金属抑制剂; 0至50磨料; 0〜20有色金属络合剂; 和水。