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    • 32. 发明公开
    • 매립 게이트를 포함하는 반도체 소자의 제조 방법
    • 用于制造带有闸门的半导体器件的方法
    • KR1020120004693A
    • 2012-01-13
    • KR1020100065332
    • 2010-07-07
    • 에스케이하이닉스 주식회사
    • 황선환
    • H01L29/78H01L21/336
    • H01L29/4236H01L27/10823H01L27/10891H01L29/66621
    • PURPOSE: A method for manufacturing a semiconductor device with a buried gate is provided to prevent the oxidation of a buried gate by replacing a buried isolation layer, on the top part of a buried gate, with a HDP(High Density Plasma) oxidation layer instead of a SOD(Spin On Dielectric) oxide film. CONSTITUTION: A pad oxide film(11) and a pad nitride layer(12) are formed on a substrate(10). A recess pattern is formed by etching the substrate. A buried gate(18A), which buries a part of the recess pattern, is formed. An anti oxidation layer(19) is formed along the level difference of the overall structure including a buried gate electrode. A TEOS(Tetra Ethyle Ortho Silicate) layer is formed into the thickness of filling the recess pattern on the anti oxidation layer. A void, which is formed in the TEOS layer, is opened through dry etching.
    • 目的:提供一种用于制造具有掩埋栅极的半导体器件的方法,以通过用掩埋栅极顶部的掩埋隔离层(HDP(高密度等离子体)氧化层)替代来防止掩埋栅极的氧化 的SOD(自旋介电)氧化膜。 构成:衬底氧化膜(11)和衬垫氮化物层(12)形成在衬底(10)上。 通过蚀刻衬底形成凹陷图案。 形成埋入凹部图案的一部分的埋入门(18A)。 沿着包括掩埋栅电极的整体结构的电平差形成抗氧化层(19)。 形成TEOS(四乙酸正硅酸盐)层,使其成为在抗氧化层上填充凹凸图案的厚度。 通过干蚀刻打开在TEOS层中形成的空隙。
    • 37. 发明公开
    • 반도체 메모리 소자 및 그 제조방법
    • 半导体存储器件及其制造方法
    • KR1020110079275A
    • 2011-07-07
    • KR1020090136293
    • 2009-12-31
    • 주식회사 디비하이텍
    • 정희돈
    • H01L21/8247H01L27/115
    • H01L27/11521G11C16/10H01L21/28273H01L21/31051H01L21/76224H01L27/10885H01L27/10891
    • PURPOSE: A semiconductor memory device and a manufacturing method thereof are provided to simplify a OTP memory device manufacturing process because a new mask is not manufactured. CONSTITUTION: A device isolation film(110) is formed in a semiconductor substrate(100). The first gate insulating film and the first gate(210) are formed on the semiconductor substrate. The second gate insulating film and the second gate(220) are formed in order to cover a boundary face between the semiconductor substrate and the element isolation film. The first impurity region(121) is formed on one side of the gate in the semiconductor substrate. The second impurity region is formed on the semiconductor substrate between the second gate and the first gate.
    • 目的:提供半导体存储器件及其制造方法,以简化OTP存储器件制造工艺,因为未制造新的掩模。 构成:在半导体衬底(100)中形成器件隔离膜(110)。 第一栅极绝缘膜和第一栅极(210)形成在半导体衬底上。 形成第二栅极绝缘膜和第二栅极(220)以覆盖半导体衬底和元件隔离膜之间的边界面。 第一杂质区(121)形成在半导体衬底中的栅极的一侧。 在第二栅极和第一栅极之间的半导体衬底上形成第二杂质区域。
    • 38. 发明公开
    • 반도체 소자 및 그의 형성 방법
    • 半导体器件及其形成方法
    • KR1020110071352A
    • 2011-06-29
    • KR1020090127900
    • 2009-12-21
    • 에스케이하이닉스 주식회사
    • 조영만
    • H01L21/336H01L29/78H01L21/28
    • H01L27/10876H01L21/76897H01L27/10855H01L27/10891H01L21/2255H01L29/66348H01L29/7813
    • PURPOSE: A semiconductor device and forming method thereof are provided to separate a buried gate electrode by dry etching to reduce voids, thereby preventing feature deterioration of the semiconductor device. CONSTITUTION: A semiconductor substrate(100) includes an active area(104) defined by a device separation film(102). A buried gate is formed both sidewalls of a trench formed in the semiconductor substrate. The buried gate includes a buried gate electrode and a protective pattern. A storage electrode contact(136) is connected to the semiconductor substrate and the device separation film of the lower part of the trench. A spacer(134) for a storage electrode contact is formed on both sidewalls of the storage electrode contact.
    • 目的:提供一种半导体器件及其形成方法,以通过干蚀刻分离掩埋栅电极以减少空隙,从而防止半导体器件的特征劣化。 构成:半导体衬底(100)包括由器件分离膜(102)限定的有源区(104)。 掩模栅极形成在半导体衬底中形成的沟槽的两个侧壁。 掩埋栅极包括掩埋栅电极和保护图案。 存储电极触点(136)连接到半导体衬底和沟槽下部的器件分离膜。 用于存储电极接触的间隔物(134)形成在存储电极接触件的两个侧壁上。
    • 39. 发明公开
    • 매립형 비트라인을 구비하는 반도체 장치 및 그 제조방법
    • 带有双绞线的半导体器件及其制造方法
    • KR1020110047543A
    • 2011-05-09
    • KR1020090104213
    • 2009-10-30
    • 에스케이하이닉스 주식회사
    • 조윤석
    • H01L27/108H01L21/8242H01L21/336
    • H01L27/10885H01L27/10876H01L27/10891
    • PURPOSE: A semiconductor device including a buried bit line and a manufacturing method thereof are provided to reduce resistance by including the buried bit line comprised of a metal silicide film and a metal film. CONSTITUTION: A metal silicide film(109) is formed in a substrate with a trench and is contacted with the sidewall of the trench. A buried bit line(111) is formed on the sidewall of the trench and is comprised of the metal silicide film and a metal film. An impurity region(108) is formed in the substrate and is contacted with the metal silicide film. A separation layer is interposed between the trench surface and the metal film except a contact region between the metal silicide film and the metal film. The resistivity of the buried bit line is lower than the resistivity of the impurity region.
    • 目的:提供包括掩埋位线的半导体器件及其制造方法,以通过包括由金属硅化物膜和金属膜构成的掩埋位线来降低电阻。 构成:在具有沟槽的衬底中形成金属硅化物膜(109)并与沟槽的侧壁接触。 掩埋位线(111)形成在沟槽的侧壁上并且由金属硅化物膜和金属膜构成。 在衬底中形成杂质区(108)并与金属硅化物膜接触。 除了金属硅化物膜和金属膜之间的接触区域之外,在沟槽表面和金属膜之间插入分离层。 掩埋位线的电阻率低于杂质区的电阻率。