发明名称 POLISHING LIQUID, AND METHOD OF POLISHING
摘要 <p><P>PROBLEM TO BE SOLVED: To provide a polishing liquid which can achieve a high polishing rate for metal, a low etching rate and a reduced polishing friction, to adapt for producing a semiconductor device having a metal interconnection of a reduced dishing and erosion with a high productivity. <P>SOLUTION: The polishing liquid contains (1) an oxidizing agent, (2) a metal oxide dissolving agent, (3) an anti-corrosive agent for metal, and water, the polishing liquid having a pH of 2 to 5, in which (3) the anti-corrosive agent for metal contains one or more selected from the group consisting of: one or more selected from the group consisting of aromatic compounds having a triazole skeleton, aliphatic compounds having a triazole skeleton, compounds having a pyrimidine skeleton, compounds having an imidazole skeleton, compounds having a guanidine skeleton, compounds having a thiazole skeleton, and compounds having a pyrazole skeleton. <P>COPYRIGHT: (C)2009,JPO&INPIT</p>
申请公布号 JP2008263215(A) 申请公布日期 2008.10.30
申请号 JP20080143402 申请日期 2008.05.30
申请人 HITACHI CHEM CO LTD 发明人 KURATA YASUSHI;MASUDA KATSUYUKI;ONO YUTAKA;KAMIGATA YASUO;ENOMOTO KAZUHIRO
分类号 H01L21/304;B24B37/00;C09G1/02;C09G1/04;C09K3/14;H01L21/321 主分类号 H01L21/304
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