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    • 2. 发明公开
    • 게이트 구조물 및 그의 제조방법
    • 门结构及其制造方法
    • KR1020090111047A
    • 2009-10-26
    • KR1020080036618
    • 2008-04-21
    • 에스케이하이닉스 주식회사
    • 황선우
    • H01L21/336
    • H01L21/28061H01L29/4941
    • PURPOSE: A gate structure and a manufacturing method thereof are provided to improve an electrical property of a semiconductor device by forming a tungsten film of a large grain. CONSTITUTION: A gate structure includes a polysilicon film, a tantalum film, an amorphous TiN film, and a tungsten film. The polysilicon film is arranged on a semiconductor substrate(100). The tantalum film is arranged on the polysilicon film. The amorphous TiN film is arranged on the tantalum film. The tungsten film is arranged on the amorphous TiN film. The poly silicon film includes one of an n-type dopant and a p-type dopant. Thickness of the tantalum film is 30Å~40Å. Thickness of the amorphous TiN film is 20Å~30Å. Thickness of the tungsten film is 380Å~420Å.
    • 目的:提供一种栅极结构及其制造方法,以通过形成大颗粒的钨膜来改善半导体器件的电性能。 构成:栅极结构包括多晶硅膜,钽膜,非晶TiN膜和钨膜。 多晶硅膜布置在半导体衬底(100)上。 钽膜设置在多晶硅膜上。 非晶TiN膜设置在钽膜上。 钨膜布置在非晶TiN膜上。 多晶硅膜包括n型掺杂剂和p型掺杂剂中的一种。 钽膜的厚度为30〜40埃。 无定形TiN膜的厚度为20〜30。 钨膜的厚度为380Å〜420Å。
    • 5. 发明公开
    • 반도체 소자의 비트 라인 형성방법
    • 用于形成半导体器件的位线的方法
    • KR1020090022768A
    • 2009-03-04
    • KR1020070088387
    • 2007-08-31
    • 에스케이하이닉스 주식회사
    • 황선우
    • H01L21/20H01L21/203H01L21/28
    • H01L27/10885H01L21/76856H01L21/76871H01L21/76877
    • A method for forming a bit line of a semiconductor device is provided to improve electrical characteristic of the semiconductor device by making the thickness of a tungsten film uniform. A method for forming a bit line of a semiconductor device is comprised of the step: forming a barrier film(304); applying diborane gas and tungsten fluoride; forming a metal film. The barrier is formed on the semiconductor while having the interlayer insulating film(302). The interlayer insulating film has a contact hole, and the barrier is formed on interlayer insulating film to cover the contact hole uniform. The barrier film has the titanium film and the titanium nitride film and the diborane gas and tungsten fluoride gas are applied to on the barrier film.
    • 提供了形成半导体器件的位线的方法,以通过使钨膜的厚度均匀而改善半导体器件的电特性。 形成半导体器件的位线的方法包括以下步骤:形成阻挡膜(304); 应用乙硼烷气和氟化钨; 形成金属膜。 在半导体层上形成有阻挡层,同时具有层间绝缘膜(302)。 层间绝缘膜具有接触孔,并且阻挡层形成在层间绝缘膜上以覆盖接触孔均匀。 阻挡膜具有钛膜和氮化钛膜,并且将乙硼烷气体和氟化钨气体施加到阻挡膜上。
    • 6. 发明公开
    • 반도체 소자의 금속 플러그 및 그 제조방법
    • 半导体器件的金属插件及其制造方法
    • KR1020080058863A
    • 2008-06-26
    • KR1020060133037
    • 2006-12-22
    • 에스케이하이닉스 주식회사
    • 황선우김백만김수현이영진정동하김정태
    • H01L21/28
    • H01L21/76843H01L21/28556H01L21/76877
    • A metal plug of a semiconductor device and a method of manufacturing the same are provided to deposit a Ru layer, using a PEALD(Plasma Enhanced Atomic Layer Deposition) method to prevent a layer-cover defect, thereby reducing a volcano effect and Rs(Resistance Sheet). A metal plug of a semiconductor device comprises a semiconductor substrate(200), an insulating layer(202), a barrier layer(206), and a metal layer(208). The semiconductor substrate is formed with a lower structure. The insulating layer, formed on the semiconductor substrate, has a contact hole(204). The barrier layer is formed on a surface of the contact hole. The metal layer is formed on the barrier layer to bury the contact hole. The barrier layer is made of Ru. The metal layer is a tungsten layer. A Ru layer is formed by a PEALD(Plasma Enhanced Atomic Layer Deposition).
    • 提供半导体器件的金属插塞及其制造方法以使用PEALD(等离子体增强原子层沉积)方法沉积Ru层以防止层覆盖缺陷,由此降低火山效应和Rs(电阻 片)。 半导体器件的金属插塞包括半导体衬底(200),绝缘层(202),阻挡层(206)和金属层(208)。 半导体衬底形成为较低的结构。 形成在半导体基板上的绝缘层具有接触孔(204)。 阻挡层形成在接触孔的表面上。 在阻挡层上形成金属层以埋入接触孔。 阻挡层由Ru制成。 金属层是钨层。 通过PEALD(等离子体增强原子层沉积)形成Ru层。
    • 7. 发明公开
    • 반도체 소자의 게이트 및 그의 형성방법
    • 半导体器件的栅极及其形成方法
    • KR1020080055161A
    • 2008-06-19
    • KR1020060128131
    • 2006-12-14
    • 에스케이하이닉스 주식회사
    • 김수현김백만이영진황선우정동하김정태
    • H01L21/336
    • A gate of a semiconductor device and a forming method thereof are provided to prevent diffusion of boron by depositing a Ti layer, an oxygen-sputtered TiN layer, and an amorphous metal layer as diffusion barriers. A gate insulating layer(110) is formed on a semiconductor substrate(100). A polysilicon layer(120) is doped onto the gate insulating layer. A first diffusion barrier(130) is formed on the doped polysilicon layer. A surface of the first diffusion barrier is processed by an oxygen sputtering method. A second diffusion barrier(140) including an amorphous metal is formed on the first diffusion barrier. A third diffusion barrier(150) is formed on the second diffusion barrier. A gate conductive layer(160) is formed on the third diffusion barrier. A hard mask layer(170) is formed on the gate conductive layer.
    • 提供半导体器件的栅极及其形成方法,以通过沉积Ti层,溅射氧的TiN层和非晶金属层作为扩散阻挡层来防止硼的扩散。 在半导体衬底(100)上形成栅极绝缘层(110)。 在栅极绝缘层上掺杂多晶硅层(120)。 在掺杂多晶硅层上形成第一扩散势垒(130)。 通过氧溅射法处理第一扩散阻挡层的表面。 在第一扩散阻挡层上形成包括非晶金属的第二扩散阻挡层(140)。 在第二扩散阻挡层上形成第三扩散阻挡层(150)。 在第三扩散阻挡层上形成栅极导电层(160)。 在栅极导电层上形成硬掩模层(170)。
    • 10. 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。