ETCHING METHOD OF SEMICONDUCTOR SUBSTRATE, AND METHOD OF PRODUCING SEMICONDUCTOR DEVICE
    11.
    发明申请
    ETCHING METHOD OF SEMICONDUCTOR SUBSTRATE, AND METHOD OF PRODUCING SEMICONDUCTOR DEVICE 有权
    半导体衬底的蚀刻方法,以及生产半导体器件的方法

    公开(公告)号:US20150243527A1

    公开(公告)日:2015-08-27

    申请号:US14711070

    申请日:2015-05-13

    CPC classification number: H01L21/32134 C09K13/08 H01L21/31144

    Abstract: An etching method containing, at the time of processing a substrate having a first layer containing titanium nitride (TiN) and a second layer containing a transition metal, selecting a substrate in which a surface oxygen content of the first layer is from 0.1 to 10% by mole, and applying an etching liquid containing a hydrofluoric acid compound and an oxidizing agent to the substrate and thereby removing the first layer.

    Abstract translation: 一种蚀刻方法,其特征在于,在具有含有氮化钛(TiN)的第一层和含有过渡金属的第二层的基板的处理时,选择其中第一层的表面氧含量为0.1〜10% 并将含有氢氟酸化合物和氧化剂的蚀刻液施加到基材上,从而除去第一层。

    ETCHING LIQUID, ETCHING METHOD USING THE SAME, AND METHOD OF PRODUCING SEMICONDUCTOR DEVICE
    12.
    发明申请
    ETCHING LIQUID, ETCHING METHOD USING THE SAME, AND METHOD OF PRODUCING SEMICONDUCTOR DEVICE 审中-公开
    蚀刻液,使用其的蚀刻方法和制造半导体器件的方法

    公开(公告)号:US20150225645A1

    公开(公告)日:2015-08-13

    申请号:US14692106

    申请日:2015-04-21

    Abstract: An etching liquid for processing a substrate having a first layer containing titanium nitride (TiN) and a second layer containing at least one metal selected from transition metals belonging to group 3 to group 11 of the periodic table thereby removing the first layer selectively, wherein the etching liquid contains a hexafluorosilicic acid compound, and an oxidizing agent of which concentration is 0.05% by mass or more and less than 10% by mass.

    Abstract translation: 一种用于处理具有包含氮化钛(TiN)的第一层和包含选自属于周期表第3族至第11族的过渡金属中的至少一种金属的第二层的衬底的蚀刻液体,由此选择性地除去第一层,其中 蚀刻液含有六氟硅酸化合物,其浓度为0.05质量%以上且小于10质量%的氧化剂。

    METHOD OF PRODUCING A SEMICONDUCTOR SUBSTRATE PRODUCT AND ETCHING LIQUID
    13.
    发明申请
    METHOD OF PRODUCING A SEMICONDUCTOR SUBSTRATE PRODUCT AND ETCHING LIQUID 有权
    生产半导体基板产品和蚀刻液的方法

    公开(公告)号:US20130244443A1

    公开(公告)日:2013-09-19

    申请号:US13770282

    申请日:2013-02-19

    CPC classification number: C09K13/08 H01L21/28158 H01L21/30604 H01L21/31111

    Abstract: A method for manufacturing a semiconductor substrate product having: providing an etching liquid containing water, a hydrofluoric acid compound and an organic solvent, and applying the etching liquid to a semiconductor substrate, the semiconductor substrate having a silicon layer and a silicon oxide layer, the silicon layer containing an impurity, and thereby selectively etching the silicon oxide layer.

    Abstract translation: 一种制造半导体衬底产品的方法,其具有:提供含有水,氢氟酸化合物和有机溶剂的蚀刻液,并将蚀刻液施加到半导体衬底,所述半导体衬底具有硅层和氧化硅层, 含有杂质的硅层,从而选择性地蚀刻氧化硅层。

    CLEANING COMPOSITION AND METHOD FOR MANUFACTURING SEMICONDUCTOR SUBSTRATE

    公开(公告)号:US20250019623A1

    公开(公告)日:2025-01-16

    申请号:US18892835

    申请日:2024-09-23

    Abstract: An object of the present invention is to provide a cleaning composition that suppresses a surface roughness of a region including Mo and has excellent removability of Mo-based residues in a case of being used in a treatment of an Mo-containing substrate. The cleaning composition of an embodiment of the present invention is a cleaning composition used in a treatment of a molybdenum-containing substrate, the cleaning composition including an organic acid and organic amine compounds having at least one group selected from the group consisting of a primary amino group, a secondary amino group, and a tertiary amino group, in which the cleaning composition includes two or more kinds of the organic amine compounds.

    COMPOSITION AND MANUFACTURING METHOD OF SEMICONDUCTOR ELEMENT

    公开(公告)号:US20240392214A1

    公开(公告)日:2024-11-28

    申请号:US18792828

    申请日:2024-08-02

    Abstract: An object of the present invention is to provide a composition in which, even in a case of being used after a lapse of a predetermined period from production, removal performance of residues and anticorrosion properties of a tungsten-containing film are excellent, and deterioration of electrical properties of the tungsten-containing film can be suppressed; and to provide a manufacturing method of a semiconductor element.
    The composition of the present invention contains sorbic acid, citric acid, an amine-containing compound which is at least one selected from the group consisting of ammonia, an organic amine, a quaternary ammonium compound, and salts thereof, a specific compound which has at least one group selected from the group consisting of a phosphono group and a phosphoric acid group, and water, in which a pH at 25° C. is 4.0 to 9.0.

    COMPOSITION, KIT, AND METHOD FOR TREATING SUBSTRATE

    公开(公告)号:US20220119960A1

    公开(公告)日:2022-04-21

    申请号:US17565419

    申请日:2021-12-29

    Abstract: An object of the present invention is to provide a composition that exhibits excellent dissolving ability and etching selectivity (particularly, etching selectivity for a Ru-containing substance and other metal-containing substances) to metal-containing substances (particularly, a Ru-containing substance), a kit for preparing the composition, and a method for treating a substrate by using the composition.
    The composition according to an embodiment of the present invention is a composition for removing metal-containing substances, and contains one or more periodic acid compounds selected from the group consisting of a periodic acid and a salt thereof, an azole compound, and an alkali compound.

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