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    • 74. 发明公开
    • 반도체 소자의 금속배선 및 그 형성방법
    • 半导体器件的金属接线及其制造方法
    • KR1020090075502A
    • 2009-07-08
    • KR1020080001379
    • 2008-01-04
    • 에스케이하이닉스 주식회사
    • 정동하염승진김백만김정태이남열
    • H01L21/28
    • H01L21/76846H01L21/28556H01L21/76856H01L21/76871H01L21/76877
    • A metal wiring of a semiconductor device and a method of manufacturing the same are provided to prevent the diffusion of a cupper layer by forming a diffusion barrier with lamination structure of VB2 film and three components types of a V-B-N film. An insulating layer(102) is formed on a semiconductor substrate(100) while having a wring region(D). A diffusion barrier(108) comprises the laminate structure of a VB2 film(104) and three component types of V-B-N-film. A metal layer is formed in order to bury a region for the insulating layer on the diffusion barrier, and the VB2 film of the diffusion barrier has crystalline phase. A ternary phase film of the V-B-N of the diffusion barrier has the amorphous phase, and the seed layer(110) interposed between the diffusion barrier and metal layer is more included.
    • 提供半导体器件的金属布线及其制造方法,以通过形成具有VB2膜的叠层结构和V-B-N膜的三种组分类型的扩散阻挡层来防止铜层的扩散。 在半导体衬底(100)上形成绝缘层(102),同时具有拧紧区域(D)。 扩散阻挡层(108)包括VB2膜(104)的层叠结构和V-B-N膜的三种成分类型。 形成金属层以便将绝缘层的区域埋在扩散阻挡层上,并且扩散阻挡层的VB2膜具有结晶相。 扩散阻挡层的V-B-N的三元相膜具有非晶相,并且更多地包括介于扩散阻挡层和金属层之间的种子层(110)。
    • 77. 发明公开
    • 반도체 소자의 금속배선 형성방법
    • 形成金属互连层的半导体器件的方法
    • KR1020080062578A
    • 2008-07-03
    • KR1020060138532
    • 2006-12-29
    • 에스케이하이닉스 주식회사
    • 김백만신종한김수현이영진정동하김정태
    • H01L21/28
    • H01L21/76834H01L21/31111H01L21/76805H01L21/76877
    • A method for forming a metal wire of a semiconductor device is provided to prevent the corrosion of a lower metal wire by forming an etch stop layer on the lower metal wire to form a contact hole. An etch stop layer(306) is formed on a semiconductor substrate(300) where a lower metal wire(304) is formed. Interlayer dielectrics(302,308) are formed on the etch stop layer. The interlayer dielectrics are etched to expose the etch stop layer. The lower metal wire is exposed by etching the etch stop layer using an argon plasma process to form a contact hole(H'). The contact hole exposes the lower metal wire. A metal layer gap-fills the contact hole to form a metal plug. An upper metal wire(312) is formed on the metal plug. The upper metal wire is an aluminium layer. The lower metal wire is an aluminium layer. The etch stop layer is a silicon nitride layer. A thickness of the etch stop layer is 100 to 1000 Å.
    • 提供一种用于形成半导体器件的金属线的方法,以通过在下金属线上形成蚀刻停止层以形成接触孔来防止下金属线的腐蚀。 在形成下金属线(304)的半导体衬底(300)上形成蚀刻停止层(306)。 层间电介质(302,308)形成在蚀刻停止层上。 蚀刻层间电介质以暴露蚀刻停止层。 通过使用氩等离子体处理蚀刻蚀刻停止层来暴露下部金属线以形成接触孔(H')。 接触孔暴露下金属丝。 金属层间隙填充接触孔以形成金属塞。 在金属插头上形成上金属丝(312)。 上金属线是铝层。 下金属线是铝层。 蚀刻停止层是氮化硅层。 蚀刻停止层的厚度为100〜1000。
    • 78. 发明公开
    • 반도체 소자의 금속배선 형성방법
    • 形成半导体器件金属插件的方法
    • KR1020080061959A
    • 2008-07-03
    • KR1020060137174
    • 2006-12-28
    • 에스케이하이닉스 주식회사
    • 정동하김백만김수현이영진황선우김정태
    • H01L21/28H01L21/3205
    • H01L21/76846H01L21/7684H01L21/76877
    • A method for forming a metal line of a semiconductor device is provided to reduce Rs(resistance sheet) and to secure thickness uniformity of aluminum by preventing generation of TiAl3. An insulation layer having a contact hole(H) and a trench(T) is formed on a semiconductor substrate(400). A Ti-TiN layer(404) is formed as a diffusion barrier layer on the insulation layer. An aluminum layer(406,408) is formed on the diffusion barrier layer of the Ti-TiN layer to fill up the contact hole and the trench. The Ti-TiN diffusion barrier layer and the aluminum layer are planarized to expose the insulation layer. Wherein, the Ti-TiN layer is formed with the pure Ti on a portion bounded to the insulation layer, and with TiN satisfying the stochiometry on the portion bounded to the aluminum layer by gradually increasing the amount of nitrogen.
    • 提供了一种用于形成半导体器件的金属线的方法,以通过防止产生TiAl 3而减少Rs(电阻片)并确保铝的厚度均匀性。 在半导体衬底(400)上形成具有接触孔(H)和沟槽(T)的绝缘层。 在绝缘层上形成Ti-TiN层(404)作为扩散阻挡层。 在Ti-TiN层的扩散阻挡层上形成铝层(406,408)以填充接触孔和沟槽。 使Ti-TiN扩散阻挡层和铝层平坦化,使绝缘层露出。 其中,Ti-TiN层在与绝缘层有界的部分上形成纯Ti,并且通过逐渐增加氮量,在满足铝层的部分上满足化学计量的TiN。
    • 79. 发明公开
    • 반도체 소자의 비트 라인 제조 방법
    • 半导体器件位线的制造方法
    • KR1020080057086A
    • 2008-06-24
    • KR1020060130418
    • 2006-12-19
    • 에스케이하이닉스 주식회사
    • 김정태김백만김수현이영진황선우정동하
    • H01L21/28
    • H01L21/76846H01L21/28556H01L21/76877H01L27/10885
    • A method for fabricating a bitline of a semiconductor device is provided to prevent a semiconductor substrate from being exposed to the atmosphere during a process for forming a bitline by forming a bitline composed of a tungsten silicide layer as an ohmic junction layer/a tungsten nitride layer as a diffusion barrier layer/a tungsten layer as a conductive layer by an ALD(atomic layer deposition) method. An interlayer dielectric(202) with a contact hole is formed on a semiconductor substrate(200) having an underlying structure. A pre-cleaning process can be performed on the surface of the semiconductor substrate. A tungsten silicide layer(204) as an ohmic junction layer, a tungsten nitride layer(206) as a diffusion barrier layer and a tungsten layer(208) as a conductive layer are continuously deposited on the interlayer dielectric in single equipment by an ALD process. The tungsten layer, the tungsten nitride layer and the tungsten silicide layer are etched to form a bitline in which the tungsten silicide layer, the tungsten nitride layer and the tungsten layer are incorporated.
    • 提供一种用于制造半导体器件的位线的方法,以防止在通过形成由硅化钨层组成的位线作为欧姆接合层/氮化钨层形成位线的过程期间半导体衬底暴露于大气中 作为扩散阻挡层/通过ALD(原子层沉积)法作为导电层的钨层。 具有接触孔的层间电介质(202)形成在具有下面结构的半导体衬底(200)上。 可以在半导体衬底的表面上进行预清洁处理。 作为欧姆结层的硅化钨层(204),作为扩散阻挡层的氮化钨层(206)和作为导电层的钨层(208)通过ALD工艺在单个设备中在层间电介质上连续沉积 。 蚀刻钨层,氮化钨层和硅化钨层,形成硅化钨层,氮化钨层和钨层的位线。
    • 80. 发明公开
    • 반도체 소자의 게이트 및 그의 형성방법
    • 半导体器件的栅极及其形成方法
    • KR1020080002503A
    • 2008-01-04
    • KR1020060061371
    • 2006-06-30
    • 에스케이하이닉스 주식회사
    • 곽노정김백만김수현이영진황선우
    • H01L21/336
    • A gate of a semiconductor device is provided to avoid excessive loss of a gate by forming a stack layer of a nitride layer and an oxide layer as a hard mask for patterning the gate. A gate insulation layer(22) is formed on a semiconductor substrate(21). A gate conduction layer(25) is formed on the gate insulation layer. A hard mask layer(28) is formed on the gate conduction layer, made of a stack layer composed of a nitride layer(26) and an oxide layer(27). The nitride layer in the hard mask layer can have a thickness of 100~1000 Å. The oxide layer in the hard mask layer can have a thickness of 100~2000 Å.
    • 提供半导体器件的栅极,以通过形成氮化物层和氧化物层的堆叠层作为用于图案化栅极的硬掩模来避免栅极的过度损耗。 在半导体衬底(21)上形成栅绝缘层(22)。 栅极导电层(25)形成在栅极绝缘层上。 在由氮化物层(26)和氧化物层(27)构成的堆叠层的栅极导通层上形成硬掩模层(28)。 硬掩模层中的氮化物层可以具有100〜1000的厚度。 硬掩模层中的氧化物层的厚度可以为100〜2000埃。