ETCHING METHOD OF SEMICONDUCTOR SUBSTRATE, AND METHOD OF PRODUCING SEMICONDUCTOR DEVICE
    12.
    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。

    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。

    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.

    ETCHING METHOD, ETCHING SOLUTION USED IN SAME, ETCHING SOLUTION KIT, AND METHOD FOR MANUFACTURING SEMICONDUCTOR SUBSTRATE PRODUCT
    19.
    发明申请
    ETCHING METHOD, ETCHING SOLUTION USED IN SAME, ETCHING SOLUTION KIT, AND METHOD FOR MANUFACTURING SEMICONDUCTOR SUBSTRATE PRODUCT 审中-公开
    蚀刻方法,其中使用的蚀刻溶液,蚀刻溶液工具包以及制造半导体衬底产品的方法

    公开(公告)号:US20160118264A1

    公开(公告)日:2016-04-28

    申请号:US14927700

    申请日:2014-05-01

    Abstract: There is provided an etching method of a semiconductor substrate that includes a first layer containing germanium (Ge) and a second layer containing at least one specific metal element selected from nickel platinum (NiPt), titanium (Ti), nickel (Ni), and cobalt (Co), the method including: bringing an etching solution which contains an alkali compound into contact with the second layer and selectively removing the second layer.

    Abstract translation: 提供了一种半导体衬底的蚀刻方法,其包括含有锗(Ge)的第一层和包含选自镍铂(NiPt),钛(Ti),镍(Ni))和至少一种特定金属元素的第二层 钴(Co),该方法包括:使包含碱性化合物的蚀刻溶液与第二层接触并选择性地除去第二层。

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