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    • 54. 发明公开
    • 코발트막의 형성 방법
    • 形成钴层的方法
    • KR1020040048612A
    • 2004-06-10
    • KR1020020076530
    • 2002-12-04
    • 삼성전자주식회사
    • 최길현강상범문광진
    • H01L21/20
    • PURPOSE: A method for forming a cobalt layer is provided to deposit a pure cobalt layer by removing a native oxide layer and the oxygen and carbon contained in a cobalt-metal organic source using the first and second radical treatment. CONSTITUTION: A silicon substrate is loaded in a reaction chamber. The first radical treatment is carried out on the silicon substrate. A cobalt-metal organic source layer is deposited on the silicon substrate by supplying a cobalt-metal organic source to the reaction chamber. The second radical treatment is carried out on the resultant structure for forming a cobalt layer on the silicon substrate. Preferably, the first radical treatment is carried out by using one selected from a group consisting of hydrogen and fluorine radical. Preferably, the second radical treatment is carried out by using hydrogen radicals.
    • 目的:提供一种用于形成钴层的方法,通过使用第一次和第二次自由基处理除去天然氧化物层和包含在钴 - 金属有机源中的氧和碳来沉积纯钴层。 构成:将硅衬底装入反应室。 在硅衬底上进行第一次自由基处理。 通过向反应室供应钴 - 金属有机源,在硅衬底上沉积钴 - 金属有机源层。 对所得到的在硅衬底上形成钴层的结构进行第二根处理。 优选地,通过使用选自氢和氟自由基的一种来进行第一次自由基处理。 优选地,通过使用氢自由基进行第二自由基处理。
    • 55. 发明公开
    • 오믹 콘택층을 구비한 콘택플러그 형성 방법
    • 形成具有OHMIC接触层的接触片的方法
    • KR1020030042908A
    • 2003-06-02
    • KR1020010073739
    • 2001-11-26
    • 삼성전자주식회사
    • 문광진이명범박희숙박성건
    • H01L21/283
    • PURPOSE: A method for forming a contact plug having an ohmic contact layer is provided to reduce the contamination due to byproducts of TiClx and a contact resistance by reducing the remaining Cl from the byproducts of TiClx and a titanium silicide layer. CONSTITUTION: An insulating layer pattern(220) is formed on a semiconductor substrate(200) in order to define a contact hole for exposing an active region(210) of the semiconductor substrate. A titanium layer(240) is formed on the insulating layer pattern in order to form a titanium silicide layer(240a) as an ohmic contact layer on the active region. A hydrogen plasma process for the resultant is performed. A nitration process for the resultant is performed to form a titanium nitride layer(240b). A conductive material(260) is deposited on the resultant including the titanium nitride layer in order to bury the contact hole. A surface of the insulating layer pattern is exposed by planarizing a surface of the resultant.
    • 目的:提供一种用于形成具有欧姆接触层的接触塞的方法,以通过从TiCl x和硅化钛层的副产物中还原剩余的Cl来减少由于TiCl x的副产物引起的污染和接触电阻。 构成:为了限定用于暴露半导体衬底的有源区(210)的接触孔,在半导体衬底(200)上形成绝缘层图案(220)。 在绝缘层图案上形成钛层(240),以在活性区域上形成作为欧姆接触层的硅化钛层(240a)。 对所得物进行氢等离子体处理。 进行所得的硝化处理以形成氮化钛层(240b)。 导电材料(260)沉积在包含氮化钛层的结果上,以便埋入接触孔。 通过使所得物的表面平坦化,使绝缘层图案的表面露出。
    • 56. 发明公开
    • 전기도금법을 이용한 금속막 형성방법
    • 使用电镀形成金属膜的方法
    • KR1020010036682A
    • 2001-05-07
    • KR1019990043791
    • 1999-10-11
    • 삼성전자주식회사
    • 박병률이명범문광진
    • H01L21/24
    • PURPOSE: A metal film forming method by using electroplating is provided to prevent voids within a contact hole by restricting seed layer from being melted by electrolyte. CONSTITUTION: An insulating film(24) is formed on a substrate(22). The insulating film(24) is etched to form a contact hole exposing a portion of the semiconductor substrate(22). TaN is deposited through CVD on the substrate(22) including the contact hole to form a barrier layer(26). A thin copper film is deposited on the barrier layer through PVD or CVD to form a seed layer(28). The substrate is loaded into a chamber, and current is applied between an anode and a cathode. The substrate is immerged into an electrolyte. A copper film(30) is deposited on the seed layer(28). Applying current is stopped and the substrate(22) is taken out of the electrolyte and unloaded from the chamber.
    • 目的:提供通过使用电镀的金属成膜方法,以通过限制种子层不被电解质熔化来防止接触孔内的空隙。 构成:在基板(22)上形成绝缘膜(24)。 蚀刻绝缘膜(24)以形成暴露半导体衬底(22)的一部分的接触孔。 TaN通过CVD沉积在包括接触孔的衬底(22)上以形成阻挡层(26)。 通过PVD或CVD将薄的铜膜沉积在阻挡层上以形成种子层(28)。 将基板装载到室中,并且在阳极和阴极之间施加电流。 将基底浸入电解质中。 在种子层(28)上沉积铜膜(30)。 停止施加电流,将基板(22)从电解液中取出并从室中卸载。