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发明名称
制造绝缘及合并沟槽电容器之简化方法
摘要
具有小尺寸及大尺寸之渠沟电容器可使用一组合微影制程而同时形成,其中一光罩中之开口具有相同尺寸及间隔。当该光罩中之该等开口与半导体基板之一晶面对准时形成较大电容器,从而使该半导体基板中的所得渠沟合并。当该光罩中之该等开口与该半导体基板之另一晶面对准时形成较小电容器,在该状况下,每一渠沟保持与其他渠沟分离。
申请公布号
TW200939352
申请公布日期
2009.09.16
申请号
TW097136670
申请日期
2008.09.24
申请人
万国商业机器公司
发明人
程慷果
分类号
H01L21/334(2006.01);H01L21/3065(2006.01);H01L29/94(2006.01)
主分类号
H01L21/334(2006.01)
代理机构
代理人
陈长文
主权项
地址
美国
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