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    • 1. 发明授权
    • 반도체소자 제조방법
    • 半导体器件制造方法
    • KR101779384B1
    • 2017-09-19
    • KR1020130023548
    • 2013-03-05
    • 매그나칩 반도체 유한회사
    • 강수창김영재
    • H01L29/78H01L21/336
    • H01L29/7827H01L29/0653H01L29/0865H01L29/0869H01L29/1095H01L29/41766H01L29/4236H01L29/66666H01L29/66727H01L29/66734H01L29/66787H01L29/7813
    • 본발명은반도체소자제조방법에관한것으로, 개시된구성은에피텍셜층을포함하는반도체기판을제공하는단계와; 상기반도체기판의에피텍셜층내부에하부트렌치부보다상부트렌치부폭이넓은트렌치를형성하는단계와; 상기트렌치의내부표면상에게이트절연막을형성하는단계와; 상기트렌치내부의게이트절연막상에게이트를형성하는단계와; 상기게이트를포함한트렌치내부의게이트절연막상에층간절연막패턴을형성하는단계와; 상기트렌치의상부트렌치부의측벽과접해있는반도체기판내부에소스영역을형성하는단계와; 상기반도체기판의에피텍셜층내에바디영역을형성하는단계와; 상기소스영역및 상기바디영역을콘택하는금속으로채워진콘택트렌치영역을형성하는단계; 및상기콘택트렌치하부에상기바디영역과동일한타입의고농도불순물영역을형성하는단계;를포함하여구성된다.
    • 本发明涉及一种制造半导体器件的方法,所公开的布置包括:提供包括外延层的半导体衬底; 在所述半导体衬底的外延层中形成具有比所述下沟槽部分更大的上沟槽宽度的沟槽; 在沟槽的内表面上形成栅极绝缘膜; 在沟槽内的栅极绝缘膜上形成栅极; 在包括栅极的沟槽中的栅极绝缘膜上形成层间绝缘膜图案; 在半导体衬底中形成与沟槽的上沟槽部分的侧壁接触的源区; 在半导体衬底的外延层中形成体区; 形成接触源区和本体区的金属填充的接触扳手区域; 并在接触扳手下形成与体区相同类型的高浓度杂质区。
    • 5. 发明公开
    • 반도체소자 및 그 제조방법
    • 半导体器件及其制造方法
    • KR1020140110208A
    • 2014-09-17
    • KR1020130023547
    • 2013-03-05
    • 매그나칩 반도체 유한회사
    • 김영재강수창
    • H01L29/78H01L21/336
    • H01L29/1079H01L21/76224H01L21/76232H01L29/0653H01L29/0865H01L29/0869H01L29/1095H01L29/41766H01L29/4236H01L29/66666H01L29/66719H01L29/66727H01L29/66734H01L29/7813H01L29/7827
    • The present invention relates to a semiconductor device and a manufacturing method thereof. The disclosed semiconductor device includes a semiconductor substrate which includes an epitaxial layer; a trench which is formed inside the epitaxial layer of the semiconductor substrate, wherein an upper trench part has a wider width than that of a lower trench part; a gate insulating film which is formed on the surface inside the trench; a gate which is formed on the gate insulating film inside the trench; an interlayer insulating film pattern which is formed on the gate insulating film inside the trench including the gate; a source region which is formed in the semiconductor substrate in contact with the sidewall of the upper trench part of the trench; a body region which is formed within the epitaxial layer of the semiconductor substrate; a contact trench region which is filled with metal in contact with the source region and the body region; and a high-density impurity region which is formed on the lower part of the contact trench, wherein the high-density purity region has the same type as the body region.
    • 半导体器件及其制造方法技术领域本发明涉及半导体器件及其制造方法。 所公开的半导体器件包括:包括外延层的半导体衬底; 形成在所述半导体衬底的外延层内的沟槽,其中上沟槽部分具有比下沟槽部分宽的宽度; 形成在沟槽内的表面上的栅极绝缘膜; 栅极,其形成在沟槽内的栅极绝缘膜上; 形成在包括栅极的沟槽内的栅极绝缘膜上的层间绝缘膜图案; 源极区,形成在与沟槽的上沟槽部分的侧壁接触的半导体衬底中; 形成在所述半导体衬底的外延层内的体区; 接触沟槽区域,其被填充有与源区域和身体区域接触的金属; 以及形成在接触沟槽的下部的高密度杂质区域,其中高密度纯度区域具有与体区相同的类型。
    • 6. 发明公开
    • 이중 병렬 채널 구조를 갖는 반도체 소자 및 상기 반도체 소자의 제조 방법
    • 包括双平行通道结构的半导体器件及其制造方法
    • KR1020140091956A
    • 2014-07-23
    • KR1020130004038
    • 2013-01-14
    • 삼성전자주식회사
    • 엄창용신재광
    • H01L29/78H01L21/336
    • H01L29/7813H01L21/2815H01L29/0865H01L29/1095H01L29/42376H01L29/4238H01L29/66734H01L29/7803
    • Disclosed are a semiconductor device including a dual parallel channel structure capable of reducing on-resistance and attenuating application of a great electric field to a lower gate oxide layer and a method of fabricating the same. The disclosed semiconductor device may include a substrate including a drift region doped with a first conductive type; a trench vertically etched on the top surface of the substrate; a gate disposed along a sidewall at the inside of the trench; gate oxide layers disposed between the sidewall of the trench and the gate and between the bottom of the trench and the gate, respectively; a first conductive type first source region formed on the top surface of the substrate; a first conductive type second source region formed on the bottom surface of the trench; a first well region formed between the first source region and the drift region and doped with a second conductive type electrically inverse to the first conductive type; and a second conductive type second well region formed between the second source region and the drift region.
    • 公开了一种半导体器件及其制造方法,该半导体器件包括能够减小导通电阻和衰减对较低栅氧化层的大电场的双平行沟道结构。 所公开的半导体器件可以包括:衬底,其包括掺杂有第一导电类型的漂移区; 在衬底的顶表面上垂直蚀刻的沟槽; 沿着沟槽内侧的侧壁设置的栅极; 分别设置在沟槽的侧壁和栅极之间以及沟槽的底部和栅极之间的栅极氧化物层; 形成在所述基板的上表面上的第一导电型第一源极区域; 形成在沟槽的底表面上的第一导电类型的第二源极区; 形成在第一源极区域和漂移区域之间并且掺杂有与第一导电类型电反向的第二导电类型的第一阱区域; 以及形成在第二源极区域和漂移区域之间的第二导电类型的第二阱区域。