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    • 1. 发明申请
    • AMORPHOUS METAL-METALLOID ALLOY BARRIER LAYER FOR IC DEVICES
    • 用于IC器件的非晶金属 - 金属合金障碍层
    • WO2009012206A1
    • 2009-01-22
    • PCT/US2008/069943
    • 2008-07-14
    • INTEL CORPORATIONPLOMBON, John J.SIMKA, HarsonoLAVOIE, Adrien R.DOMINGUEZ, Juan E.
    • PLOMBON, John J.SIMKA, HarsonoLAVOIE, Adrien R.DOMINGUEZ, Juan E.
    • H01L21/768H01L21/3205H01L21/28
    • H01L21/76843H01L21/28562H01L21/76828Y10T428/24545
    • A method for fabricating an amorphous metal-metalloid alloy layer for use in an IC device comprises providing a substrate in a reactor that includes a dielectric layer having a trench, pulsing a metal precursor into the reactor to deposit within the trench, wherein the metal precursor is selected from the group consisting of CpTa(CO) 4 , PDMAT, TBTDET, TaCl 5 , Cp 2 Co, Co-amidinates, Cp 2 Ru, Ru-diketonates, and Ru(CO) 4 , purging the reactor after the metal precursor pulse, pulsing a metalloid precursor into the reactor to react with the metal precursor and form an amorphous metal-metalloid alloy layer, wherein the metalloid precursor is selected from the group consisting of BH 3 , BCl 3 , catechol borane, AlMe 3 , methylpyrrolidinealane, AlCl 3 , SiH 4 , SiH 2 Cl 2 , SiCl 4 , tetraalkylsilanes, GeH 4 , GeH 2 Cl 2 , GeCl 4 , SnCl 4 , trialkylantimony, SbMe 3 , SbEt 3 , arsine, and trimethylarsine, purging the reactor after the metalloid precursor pulse, and annealing the amorphous metal-metalloid layer at a temperature between 50°C and 700°C for 5 to 1200 seconds.
    • 一种用于制造用于IC器件的非晶金属 - 准金属合金层的方法包括在反应器中提供衬底,该反应器包括具有沟槽的电介质层,将金属前体脉冲入反应器以沉积在沟槽内,其中金属前体 选自CpTa(CO)4,PDMAT,TBTDET,TaCl5,Cp2Co,Co-脒基物,Cp2Ru,Ru-二酮酸酯和Ru(CO)4),在金属前体脉冲之后进行反应,脉冲准金属 前体进入反应器以与金属前体反应并形成无定形金属 - 准金属合金层,其中准金属前体选自BH3,BCl3,儿茶酚硼烷,AlMe3,甲基吡咯烷烃,AlCl3,SiH4,SiH2Cl2,SiCl4, 四烷基硅烷,GeH 4,GeH 2 Cl 2,GeCl 4,SnCl 4,三烷基锑,SbMe 3,SbEt 3,胂和三甲基胂,在准金属前体脉冲之后吹扫反应器,并在温度下降退火无定形金属 - 在50℃和700℃下烘5〜1200秒。