Depositing an etch stop layer before a dummy cap layer to improve gate performance
    1.
    发明授权
    Depositing an etch stop layer before a dummy cap layer to improve gate performance 有权
    在虚拟盖层之前沉积蚀刻停止层以提高栅极性能

    公开(公告)号:US09209258B2

    公开(公告)日:2015-12-08

    申请号:US14195330

    申请日:2014-03-03

    Abstract: An improved method for fabricating a semiconductor device is provided. The method includes: depositing a dielectric layer on a substrate; depositing a first cap layer on the dielectric layer; depositing an etch stop layer on the dielectric layer; and depositing a dummy cap layer on the etch stop layer to form a partial gate structure. Also provided is a partially formed semiconductor device. The partially formed semiconductor device includes: a substrate; a dielectric layer on the substrate; a first cap layer on the dielectric layer; an etch stop layer on the dielectric layer; and a dummy cap layer on the etch stop layer forming a partial gate structure.

    Abstract translation: 提供了一种用于制造半导体器件的改进方法。 该方法包括:在基底上沉积电介质层; 在所述电介质层上沉积第一盖层; 在所述电介质层上沉积蚀刻停止层; 以及在所述蚀刻停止层上沉积虚拟盖层以形成部分栅极结构。 还提供了部分形成的半导体器件。 部分形成的半导体器件包括:衬底; 基底上的电介质层; 电介质层上的第一覆盖层; 介电层上的蚀刻停止层; 以及形成部分栅极结构的蚀刻停止层上的虚设盖层。

    Devices and methods of forming finFETs with self aligned fin formation
    3.
    发明授权
    Devices and methods of forming finFETs with self aligned fin formation 有权
    具有自对准翅片形成的finFET的器件和方法

    公开(公告)号:US09147696B2

    公开(公告)日:2015-09-29

    申请号:US14043243

    申请日:2013-10-01

    Abstract: Devices and methods for forming semiconductor devices with FinFETs are provided. One method includes, for instance: obtaining an intermediate semiconductor device with a substrate and at least one shallow trench isolation region; depositing a hard mask layer over the intermediate semiconductor device; etching the hard mask layer to form at least one fin hard mask; and depositing at least one sacrificial gate structure over the at least one fin hard mask and at least a portion of the substrate. One intermediate semiconductor device includes, for instance: a substrate with at least one shallow trench isolation region; at least one fin hard mask over the substrate; at least one sacrificial gate structure over the at least one fin hard mask; at least one spacer disposed on the at least one sacrificial gate structure; and at least one pFET region and at least one nFET region grown into the substrate.

    Abstract translation: 提供了用FinFET形成半导体器件的器件和方法。 一种方法包括例如:获得具有衬底和至少一个浅沟槽隔离区域的中间半导体器件; 在中间半导体器件上沉积硬掩模层; 蚀刻硬掩模层以形成至少一个翅片硬掩模; 以及在所述至少一个翅片硬掩模和所述基底的至少一部分上沉积至少一个牺牲栅极结构。 一个中间半导体器件包括例如:具有至少一个浅沟槽隔离区域的衬底; 在衬底上的至少一个翅片硬掩模; 至少一个翅片硬掩模上的至少一个牺牲栅极结构; 设置在所述至少一个牺牲栅极结构上的至少一个间隔物; 以及至少一个pFET区域和至少一个生长到衬底中的nFET区域。

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