Product comprised of FinFET devices with single diffusion break isolation structures
    1.
    发明授权
    Product comprised of FinFET devices with single diffusion break isolation structures 有权
    产品由具有单扩散断裂隔离结构的FinFET器件组成

    公开(公告)号:US09263516B1

    公开(公告)日:2016-02-16

    申请号:US14823319

    申请日:2015-08-11

    Abstract: An integrated circuit product is disclosed that includes a plurality of trenches in a semiconducting substrate that define first, second and third fins, wherein the fins are side-by-side, and wherein the second fin is positioned between the first and third fins, a layer of insulating material in the plurality of trenches such that a desired height of the first, second and third fins is positioned above an upper surface of the layer of insulating material, a recess defined in the second fin that at least partially defines a cavity in the layer of insulating material, an SDB isolation structure in the cavity on the recessed portion of the second fin, wherein the SDB isolation structure has an upper surface that is above the upper surface of the layer of insulating material, and a gate structure for a transistor positioned above the SDB isolation structure.

    Abstract translation: 公开了一种集成电路产品,其包括限定第一,第二和第三鳍片的半导体衬底中的多个沟槽,其中散热片并排,并且其中第二鳍片位于第一和第三鳍片之间, 多个沟槽中的绝缘材料层,使得第一,第二和第三鳍片的期望高度位于绝缘材料层的上表面上方,限定在第二鳍片中的凹部,其至少部分地限定在第 所述绝缘材料层,在所述第二鳍片的凹陷部分上的空腔中的SDB隔离结构,其中所述SDB隔离结构具有位于所述绝缘材料层的上表面上方的上表面,以及用于 晶体管位于SDB隔离结构之上。

    Overlay performance for a fin field effect transistor device
    6.
    发明授权
    Overlay performance for a fin field effect transistor device 有权
    鳍式场效应晶体管器件的覆盖性能

    公开(公告)号:US09219002B2

    公开(公告)日:2015-12-22

    申请号:US14028724

    申请日:2013-09-17

    Abstract: Approaches for improving overlay performance for an integrated circuit (IC) device are provided. Specifically, the IC device (e.g., a fin field effect transistor (FinFET)) is provided with an oxide layer and a pad layer formed over a substrate, wherein the oxide layer comprises an alignment and overlay mark, an oxide deposited in a set of openings formed through the pad layer and into the substrate, a mandrel layer deposited over the oxide material and the pad layer, and a set of fins patterned in the IC device without etching the alignment and overlay mark. With this approach, the alignment and overlay mark is provided with the fin cut (FC) layer and, therefore, avoids finification.

    Abstract translation: 提供了用于提高集成电路(IC)设备的覆盖性能的方法。 具体地,IC器件(例如,鳍式场效应晶体管(FinFET))设置有形成在衬底上的氧化物层和衬垫层,其中氧化物层包括取向和覆盖标记,沉积在一组 通过衬垫层并进入衬底形成的开口,沉积在氧化物材料和衬垫层上的心轴层,以及在IC器件中图案化的一组鳍片,而不蚀刻对准和重叠标记。 利用这种方法,对准和重叠标记设置有翅片切割(FC)层,因此避免了精细化。

    FinFET cut isolation opening revision to compensate for overlay inaccuracy

    公开(公告)号:US10423078B1

    公开(公告)日:2019-09-24

    申请号:US16398841

    申请日:2019-04-30

    Abstract: A method to address overlay accuracy compensation using finFET cut isolation revisions is disclosed. For an integrated circuit (IC) layout including at least a portion of an active region including a plurality of gates extending over a plurality of fins, prior to optical proximity correction of the IC layout: the method determines a number of fins to be cut with same source/drain connection by a fin cut isolation opening, and determines a fin cut isolation pitch in the gate length direction of the plurality of gates. The method revises a size of a fin cut isolation opening in the IC layout based on a number of fins to be cut with same source/drain connection by the fin cut isolation opening and the fin cut isolation pitch in the gate length direction. The revision in size of the fin cut isolation compensates for overlay inaccuracy.

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