シリコン貫通電極構造を有する半導体基板の研磨に使用する研磨用組成物及びその研磨用組成物を用いる研磨方法

摘要

Provided is a polishing composition used for polishing a semiconductor substrate having a through-silicon via structure, comprising an oxidizing agent having a standard electrode potential of 350 mV or more and 740 mV or less, a silicon polishing accelerating agent, a through-silicon via material polishing speed increasing agent, a silicon contamination preventing agent, and water.