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发明名称
サファイア用研磨液、貯蔵液及び研磨方法
摘要
【課題】サファイアは硬度が高くCMPが困難で、加工時間が長く生産コストが高くなる問題がある。速い研磨速度で研磨できるサファイア用研磨液の提供。【解決手段】1,8−ジアザビシクロ[5.4.0]ウンデセン−7(DBU)骨格を有する化合物と、シリカを含む砥粒と、液状媒体とを含有する、サファイア用研磨液。化合物の含有量は研磨液の全質量基準で0.02重量%以上であり、砥粒の含有量は研磨液の全質量基準で1〜40%であり、また、pHは7.0〜10.5であるサファイア用研磨液。【選択図】なし
申请公布号
JP2017039884(A)
申请公布日期
2017.02.23
申请号
JP20150163584
申请日期
2015.08.21
申请人
日立化成株式会社
发明人
郷 豊;井上 恵介
分类号
C09K3/14;B24B37/00;C09G1/02;H01L21/304
主分类号
C09K3/14
代理机构
代理人
主权项
地址
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