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发明名称
半导体装置及其制造方法
摘要
于半导体基板1形成STI7之形成方法中,在半导体基板上形成保护氧化膜,在该保护氧化膜上形成氮化矽膜,藉由光微影及乾蚀刻,贯穿该氮化矽膜及保护氧化膜并将半导体基板的一部分去除来形成槽部,于槽部及氮化矽膜上形成埋设氧化膜,以CMP去除氮化矽膜上之埋设氧化膜及氮化矽膜的表面部,并以湿蚀刻将堆积于槽部之埋设氧化膜的一部分去除。其可提供一种STI之制造方法,能使微细构造之半导体装置的STI段差为一定。
申请公布号
TW200717703
申请公布日期
2007.05.01
申请号
TW095129507
申请日期
2006.08.11
申请人
松下电器产业股份有限公司
发明人
越智元隆;津野盛和
分类号
H01L21/76(2006.01);H01L27/14(2006.01)
主分类号
H01L21/76(2006.01)
代理机构
代理人
桂齐恒;阎启泰
主权项
地址
日本
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