会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 2. 发明授权
    • Methods of forming isolation structures for semiconductor devices by performing a dry chemical removal process
    • 通过干式化学去除方法形成半导体器件隔离结构的方法
    • US08716102B2
    • 2014-05-06
    • US13584981
    • 2012-08-14
    • Frank JakubowskiJoerg RadeckerJoanna Wasyluk
    • Frank JakubowskiJoerg RadeckerJoanna Wasyluk
    • H01L27/092
    • H01L21/76224H01L21/02065H01L21/31053H01L21/31116
    • A method includes forming a patterned mask comprised of a polish stop layer positioned above a protection layer above a substrate, performing at least one etching process through the patterned mask layer on the substrate to define a trench in the substrate, and forming a layer of silicon dioxide above the patterned mask layer such that the layer of silicon dioxide overfills the trench. The method also includes removing portions of the layer of silicon dioxide positioned outside of the trench to define an isolation structure, performing a dry, selective chemical oxide etching process that removes silicon dioxide selectively relative to the material of the polish stop layer to reduce an overall height of the isolation structure, and performing a selective wet etching process to remove the polish stop layer selectively relative to the isolation region.
    • 一种方法包括形成图案化掩模,其由位于衬底上方的保护层上方的抛光停止层构成,通过衬底上的图案化掩模层执行至少一个蚀刻工艺,以在衬底中形成沟槽,并形成硅层 在图案化掩模层之上的二氧化硅,使得二氧化硅层过度填充沟槽。 该方法还包括去除位于沟槽外部的二氧化硅层的部分以限定隔离结构,执行干燥的选择性化学氧化物蚀刻工艺,其相对于抛光停止层的材料选择性地去除二氧化硅以减少整体 隔离结构的高度,并且进行选择性湿蚀刻工艺以相对于隔离区选择性地去除抛光停止层。
    • 3. 发明授权
    • Methods of forming isolation structures for semiconductor devices by performing a deposition-etch-deposition sequence
    • 通过执行沉积蚀刻沉积顺序形成半导体器件的隔离结构的方法
    • US08603895B1
    • 2013-12-10
    • US13610263
    • 2012-09-11
    • Frank JakubowskiJoerg RadeckerRalf Willecke
    • Frank JakubowskiJoerg RadeckerRalf Willecke
    • H01L21/76
    • H01L21/76232
    • In one example, the method includes forming a patterned etch mask above a semiconducting substrate, performing an etching process through the patterned etch mask to thereby form a trench in the substrate, performing a first deposition process to form a first layer of insulating material above the patterned etch mask and in the trench, and performing an etching process on the first layer of insulating material such that the post-etch thickness of the first layer of insulating material is less than an as-deposited thickness of the first layer of insulating material. The method also includes performing a second deposition process to form a second layer of insulating material on the etched first layer of insulating material, wherein the second layer of insulating material overfills the trench, and removing portions of the etched first layer of insulating material and the second layer of insulating material positioned above the patterned etch mask.
    • 在一个示例中,该方法包括在半导体衬底上形成图案化蚀刻掩模,通过图案化蚀刻掩模执行蚀刻工艺,从而在衬底中形成沟槽,执行第一沉积工艺以形成第一层绝缘材料 图案化的蚀刻掩模和在沟槽中,并且对第一绝缘材料层进行蚀刻处理,使得第一绝缘材料层的后蚀刻厚度小于第一绝缘材料层的沉积厚度。 该方法还包括执行第二沉积工艺以在蚀刻的第一绝缘材料层上形成第二绝缘材料层,其中第二绝缘材料层超过沟槽,以及去除蚀刻的第一绝缘材料层的部分和 位于图案化蚀刻掩模上方的第二绝缘材料层。
    • 6. 发明授权
    • Multi-layer gate stack structure comprising a metal layer for a FET device, and method for fabricating the same
    • 包括用于FET器件的金属层的多层栅极堆栈结构及其制造方法
    • US07078748B2
    • 2006-07-18
    • US10865763
    • 2004-06-14
    • Matthias GoldbachFrank JakubowskiRalf KoepeChao-Wen LayKristin SchupkeMichael SchmidtCheng-Chih Huang
    • Matthias GoldbachFrank JakubowskiRalf KoepeChao-Wen LayKristin SchupkeMichael SchmidtCheng-Chih Huang
    • H01L27/148
    • H01L21/28044
    • A multi-layer gate stack structure of a field-effect transistor device is fabricated by providing a gate electrode layer stack with a polysilicon layer, a transition metal interface layer, a nitride barrier layer and then a metal layer on a gate dielectric, wherein the transition metal is titanium, tantalum or cobalt. Patterning the gate electrode layer stack comprises a step of patterning the metal layer and the barrier layer with an etch stop on the surface of the interface layer. Exposed portions of the interface layer are removed and the remaining portions are pulled back from the sidewalls of the gate stack structure leaving divots extending along the sidewalls of the gate stack structure between the barrier layer and the polysilicon layer. A nitride liner encapsulating the metal layer, the barrier layer and the interface layer fills the divots left by the pulled-back interface layer. The nitride liner is opened before the polysilicon layer is patterned. As the requirement for an overetch into the polysilicon layer during the etch of the metal layer, the barrier layer and the interface layer is omitted, the height of the polysilicon layer can be reduced. The aspect ration of the gate stack structure is improved, the feasibility of pattern and fill processes enhanced and the range of an angle under which implants can be performed is extended.
    • 通过提供具有多晶硅层,过渡金属界面层,氮化物阻挡层,然后在栅极电介质上的金属层的栅电极层堆叠来制造场效应晶体管器件的多层栅极堆叠结构,其中, 过渡金属是钛,钽或钴。 对栅电极层堆叠进行图案化包括在界面层的表面上用蚀刻阻挡层图案化金属层和阻挡层的步骤。 界面层的暴露部分被去除,其余的部分从栅极叠层结构的侧壁被拉回,留下在阻挡层和多晶硅层之间的栅堆叠结构的侧壁延伸的纹理。 封装金属层,阻挡层和界面层的氮化物衬垫填充由拉回界面层留下的凹坑。 在将多晶硅层图案化之前打开氮化物衬垫。 作为在金属层的蚀刻期间进行多晶硅层的蚀刻的要求,省略了阻挡层和界面层,可以降低多晶硅层的高度。 提高了栅极堆叠结构的方面,增加了图案和填充过程的可行性,并且延长了可以进行植入的角度范围。