USE OF A CHEMICAL MECHANICAL POLISHING (CMP) COMPOSITION FOR POLISHING OF COBALT AND / OR COBALT ALLOY COMPRISING SUBSTRATES
    1.
    发明申请
    USE OF A CHEMICAL MECHANICAL POLISHING (CMP) COMPOSITION FOR POLISHING OF COBALT AND / OR COBALT ALLOY COMPRISING SUBSTRATES 审中-公开
    化学机械抛光(CMP)组合物用于抛光包含基材的钴和/或钴合金的用途

    公开(公告)号:WO2017186283A1

    公开(公告)日:2017-11-02

    申请号:PCT/EP2016/059363

    申请日:2016-04-27

    Applicant: BASF SE

    CPC classification number: H01L21/3212 C09G1/02

    Abstract: Use of a chemical mechanical polishing (CMP) composition (Q) for chemical mechanical polishing of a substrate (S) comprising (i) cobalt and/or (ii) a cobalt alloy, wherein the CMP composition (Q) comprises (A) Inorganic particles (B) an anionic surfactant of the general formula (I) R-S wherein R is C 5 -C 20 -alkyl, C 5 -C 20 -alkenyl, C 5 -C 20 -alkylacyl or C 5 -C 20 -alkenylacyl and S is a sulfonic acid derivative, an amino acid derivative or a phosphoric acid derivative or salts or mixtures thereof (C) at least one amino acid, (D) at least one oxidizer (E) an aqueous medium and wherein the CMP composition (Q) has a pH of from 7 to 10.

    Abstract translation: 化学机械抛光(CMP)组合物(Q)用于包含(i)钴和/或(ii)钴合金的基材(S)的化学机械抛光的用途,其中所述CMP组合物 (Q)包含:(A)无机颗粒(B)通式(I)RS的阴离子表面活性剂,其中R为C 5 -C 20的烷基, C 5 -C 20 - 烯基,C 5 -C 20 - 烷基酰基或C 5 - / - 亚烷基 (C)至少一种氨基酸,(D)至少一种氨基酸,(C)至少一种氨基酸,(C)至少一种氨基酸, (E)水性介质,并且其中所述CMP组合物(Q)具有7至10的pH。

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