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发明名称
深渠式超介面元件之硬遮罩结构
摘要
本案为一种硬遮罩结构,应用于制造一超介面元件之深渠,其中该超介面元件包括一基板以及形成于该基板上之一磊晶层。该硬遮罩结构包含:一离子阻隔层,形成于该磊晶层上,以用于阻隔离子扩散至该磊晶层内;以及一沈积氧化层,形成于该离子阻隔层上,且与该离子阻隔层形成该硬遮罩结构,俾使该磊晶层透过该硬遮罩结构进行一蚀刻制程,以得到该超介面元件之深渠。本案之硬遮罩结构可以有效地防止离子扩散至磊晶层内,以避免元件电性异常。
申请公布号
TW200644057
申请公布日期
2006.12.16
申请号
TW094118076
申请日期
2005.06.01
申请人
台湾茂矽电子股份有限公司
发明人
谢兴煌;张建平;曾茂松
分类号
H01L21/02(2006.01)
主分类号
H01L21/02(2006.01)
代理机构
代理人
王丽茹;曾国轩
主权项
地址
新竹市新竹科学工业园区力行路19号
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