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    • 4. 发明申请
    • METHOD FOR INTEGRATING A CONFORMAL RUTHENIUM LAYER INTO COPPER METALLIZATION OF HIGH ASPECT RATIO FEATURES
    • 将一致的RUMENIUM层合并成高比例特征的铜金属化的方法
    • WO2007117802A8
    • 2008-03-06
    • PCT/US2007063570
    • 2007-03-08
    • TOKYO ELECTRON LTDTOKYO ELECTRON AMERICA INCSUZUKI KENJI
    • SUZUKI KENJI
    • H01L21/768
    • H01L21/76843C23C16/16H01L21/28556H01L21/76805H01L21/76844H01L21/76873H01L2221/1089
    • A method of integrated processing of a patterned substrate (400, 600) for copper metallization. The method includes providing the patterned substrate (400, 600) containing a via (426, 626) and a trench (424, 624) in a vacuum processing tool (300), and performing an integrated process on the patterned substrate (400, 600) in the vacuum processing tool (300) by depositing a first metal-containing layer (428, 628) over the patterned substrate (400, 600), removing by sputter etching the first metal-containing layer (428, 628) from the bottom (426b, 626b) of the via (426, 626) and at least partially removing the first metal-containing layer (428, 628) from the bottom (424b, 624b) of the trench (424,624), depositing a conformal Ru layer (432, 632) onto the sputter etched first metal-containing layer (428a, 628a), depositing a non-conformal Cu layer (434,634) on the conformal Ru layer (432), and plating Cu (436, 636) over the patterned substrate (400, 600). According to one embodiment of the invention, the method can further include depositing a second metal-containing layer (430) onto the sputter etched first metal-containing layer (428a) prior to depositing the conformal Ru layer (432).
    • 一种用于铜金属化的图案化衬底(400,600)的集成处理方法。 该方法包括在真空处理工具(300)中提供包含通孔(426,626)和沟槽(424,624)的图案化衬底(400,600),并且在图案化衬底(400,600)上执行集成处理 )通过在图案化的衬底(400,600)上沉积第一含金属层(428,628),通过从底部溅射蚀刻第一含金属层(428,628)而去除真空处理工具(300) (426,626)的至少一部分(426b,626b),并且从沟槽(424,624)的底部(424b,624b)至少部分去除第一含金属层(428,628),沉积共形Ru层( 在所述溅射蚀刻的第一含金属层(428a,628a)上沉积在所述共形Ru层(432)上沉积非共形Cu层(434,634)并在所述图案化衬底上镀覆Cu(436,636) (400,600)。 根据本发明的一个实施例,所述方法还可以包括在沉积所述共形Ru层(432)之前,在溅射蚀刻的第一含金属层(428a)上沉积第二含金属层(430)。
    • 6. 发明申请
    • METHOD AND APPARATUS FOR DEPOSITING TUNGSTEN AFTER SURFACE TREATMENT TO IMPROVE FILM CHARACTERISTICS
    • 表面处理后沉积钨铁的方法和装置,以改善膜片特性
    • WO03009360B1
    • 2003-12-04
    • PCT/US0222487
    • 2002-07-16
    • APPLIED MATERIALS INCBYUN JEONG SOO
    • BYUN JEONG SOO
    • C23C16/14C23C16/44C23C16/455H01L21/28H01L21/285H01L21/768
    • C23C16/45525C23C16/0281C23C16/14C23C16/45529H01L21/28562H01L21/76843H01L21/76876H01L21/76877H01L2221/1089
    • A method and system to form a refractory metal layer over a substrate includes introduction of a reductant, such as PH3 or B2H6, followed by introduction of a tungsten containing compound, such as WF6, to form a tungsten layer. It is believed that the reductant reduces the fluorine content of the tungsten layer while improving the step coverage and resistivity of the tungsten layer. It is believed that the improved characteristics of the tungsten film are attributable to the chemical affinity between the reductants and the tungsten containing compound. The chemical affinity provides better surface mobility of the adsorbed chemical species and better reduction of WF6 at the nucleation stage of the tungsten layer. The method can further include sequentially introducing a reductant, such as PH3 or B2H6, and a tungsten containing compound to deposit a tungsten layer. The formed tungsten layer can be used as a nucleation layer followed by bulk deposition of a tungsten layer utilizing standard CVD techniques. Alternatively, the formed tungsten layer can be used to fill an aperture.
    • 在衬底上形成难熔金属层的方法和系统包括引入还原剂如PH3或B2H6,然后引入含钨化合物如WF 6,形成钨层。 据信,还原剂降低了钨层的氟含量,同时改善了钨层的阶梯覆盖和电阻率。 据信,钨膜的改进的特性可归因于还原剂和含钨化合物之间的化学亲和力。 化学亲和性提供吸附的化学物质的更好的表面迁移率,并且在钨层的成核阶段更好地还原WF6。 该方法可以进一步包括顺序地引入还原剂,例如PH 3或B 2 H 6,以及含钨化合物以沉积钨层。 形成的钨层可以用作成核层,随后使用标准CVD技术大量沉积钨层。 或者,形成的钨层可用于填充孔。
    • 9. 发明申请
    • METHOD OF FORMING CONDUCTIVE INTERCONNECTIONS ON AN INTEGRATED CIRCUIT DEVICE
    • 在集成电路装置上形成导电互连的方法
    • WO02025727A2
    • 2002-03-28
    • PCT/US2001/023579
    • 2001-07-26
    • H01L21/768
    • H01L21/76843H01L21/76876H01L21/76877H01L2221/1089
    • A method of forming conductive interconnections is disclosed herein. In one illustrative embodiment, the method comprises forming an opening (68) in a layer insulation material (62), forming a first plurality of silicon seed atoms (51) in the opening (68), and performing a first tungsten growing process to form tungsten material in the opening. The method further comprises forming a second plurality of silicon seed atoms (53) in the opening (68) above at least a portion of the tungsten material formed during the first tungsten growing process, and performing at least one additional tungsten growing process after forming the second plurality of silicon seed atoms (53) to further form tungsten material in the opening (68).
    • 本发明涉及一种形成导电互连的方法。 在一个实施例中,该方法包括以下步骤:在绝缘材料层(62)中形成孔口(68); 在所述孔(68)中形成第一多个硅核(51); 以及操作第一钨拉丝工艺以在所述孔口中形成钨材料; 然后形成第二多个原子在孔(68)(53)的硅晶核,在第一钨提拉法过程中形成的钨材料的至少一部分上; 以及在形成第二多个硅核(53)以在孔口(68)中形成更多的钨材料之后实施至少一个额外的钨拉制过程。