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发明名称
嵌入式快闪记忆体元件的制造方法
摘要
本发明揭示一种嵌入式快闪记忆体元件的制造方法。其特征步骤为:提供一基底,具有一记忆区,其中位在记忆区的基底上具有一元件。然后,形成一导体层于位在记忆区的基底上,并覆盖元件。之后,形成顺应的一绝缘层于导体层与基底上。接着,去除位在记忆区边缘的绝缘层,而露出位在记忆区边缘的导体层表面。然后,非等向性蚀刻去除绝缘层与部分该导体层,而形成位于该元件侧壁上的一控制闸。如此,就不需额外的微影蚀刻步骤来除去位在记忆区边缘的残留多晶矽。
申请公布号
TW200428599
申请公布日期
2004.12.16
申请号
TW092115182
申请日期
2003.06.05
申请人
台湾积体电路制造股份有限公司
发明人
徐德训;宋弘政;黄成铭;欧阳修
分类号
H01L21/8247
主分类号
H01L21/8247
代理机构
代理人
洪澄文;颜锦顺
主权项
地址
新竹市新竹科学工业园区园区三路一二一号
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