Method for forming semiconductor device

    公开(公告)号:US09960167B1

    公开(公告)日:2018-05-01

    申请号:US15678132

    申请日:2017-08-16

    Abstract: A method for forming a semiconductor device includes providing a substrate having a plurality of memory cells formed therein; forming an insulating layer on the substrate; forming a plurality of openings in the insulating layer and exposing a portion of the memory cells; forming a conductive portion and a metal layer in the openings; removing a portion of the metal layer to form a plurality of first metal portions and a plurality of second metal portions that the first metal portion and the conductive portion form a first connecting structure, and the second metal portion and the conductive portion form a second connecting structure; forming a passivation layer on the first connecting structures; and forming a plurality of first storage nodes and dummy nodes on the substrate and the first storage nodes and the dummy nodes are electrically connected to the second connecting structures and the first connecting structures respectively.

    Manufacturing method of semiconductor structure
    45.
    发明授权
    Manufacturing method of semiconductor structure 有权
    半导体结构的制造方法

    公开(公告)号:US09583394B2

    公开(公告)日:2017-02-28

    申请号:US15293292

    申请日:2016-10-14

    Abstract: The present invention provides a method for forming a semiconductor structure, comprising: firstly, a substrate is provided, having a first fin structure and a second fin structure disposed thereon, next, a first isolation region is formed between the first fin structure and the second fin structure, a second isolation region is formed opposite the first fin structure from the first isolation region, and at least an epitaxial layer is formed on the side of the first fin structure and the second fin structure, wherein the epitaxial layer has a bottom surface, the bottom surface extending from the first fin structure to the second fin structure, and the bottom surface is lower than a bottom surface of the first isolation region and a top surface of the second isolation region, in addition, the epitaxial layer has a stepped-shaped sidewall profile.

    Abstract translation: 本发明提供一种半导体结构的形成方法,其特征在于,首先,设置具有第一鳍结构和设置在其上的第二鳍结构的衬底,接着,在所述第一鳍结构和所述第二鳍结构之间形成第一隔离区 鳍结构,与第一隔离区相对地形成第二隔离区,并且在第一鳍结构和第二鳍结构的一侧形成至少外延层,其中外延层具有底表面 所述底表面从所述第一鳍结构延伸到所述第二鳍结构,并且所述底表面低于所述第一隔离区域的底表面和所述第二隔离区域的顶表面,此外,所述外延层具有阶梯状 形侧壁轮廓。

    Manufacturing method of semiconductor structure for preventing surface of fin structure from damage and providing improved process window
    49.
    发明授权
    Manufacturing method of semiconductor structure for preventing surface of fin structure from damage and providing improved process window 有权
    半导体结构的制造方法,用于防止翅片结构的表面损坏并提供改进的工艺窗口

    公开(公告)号:US09349653B2

    公开(公告)日:2016-05-24

    申请号:US14539225

    申请日:2014-11-12

    Abstract: A manufacturing method of a semiconductor structure is provided. The manufacturing method includes the following steps. A substrate is provided. A fin structure and an inter-layer dielectric layer are formed on the substrate. A plurality of gate structures is formed on the substrate. A cap layer is formed on the gate structures. A hard mask is formed on the cap layer. A first patterned photoresist layer covering the gate structures is formed on the hard mask. The hard mask is etched and patterned to form a patterned hard mask, such that the patterned hard mask covers the gate structures. A second patterned photoresist layer including a plurality of openings corresponding to the fin structure is formed on the patterned hard mask. The cap layer and the inter-layer dielectric layer are etched to form a plurality of first trenches exposing part of the fin structure.

    Abstract translation: 提供一种半导体结构的制造方法。 该制造方法包括以下步骤。 提供基板。 在基板上形成翅片结构和层间电介质层。 在基板上形成多个栅极结构。 在栅极结构上形成盖层。 在盖层上形成硬掩模。 在硬掩模上形成覆盖栅极结构的第一图案化光致抗蚀剂层。 硬掩模被蚀刻和图案化以形成图案化的硬掩模,使得图案化的硬掩模覆盖栅极结构。 在图案化的硬掩模上形成包括对应于鳍结构的多个开口的第二图案化光致抗蚀剂层。 蚀刻覆盖层和层间电介质层以形成暴露鳍结构的一部分的多个第一沟槽。

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