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发明名称
具有萧特基二极体之功率半导体结构及其制造方法
摘要
一种具有萧特基二极体(schottky diode)之功率半导体结构之制造方法。在形成闸极多晶矽结构的步骤中,同时形成一第一多晶矽结构于矽基材上。随后,透过第一多晶矽结构植入掺杂物至矽基材内,以形成本体区与源极掺杂区。接下来,形成一介电层于矽基材上,并以蚀刻方式形成一开口对应于第一多晶矽结构,并使源极掺杂区与本体区下方之汲极区裸露于外。开口的深度小于本体区的最大深度。随后,于开口内填入一金属层以电性连接至源极掺杂区与汲极区。
申请公布号
TWI407531
申请公布日期
2013.09.01
申请号
TW099106369
申请日期
2010.03.05
申请人
科轩微电子股份有限公司 新北市汐止区工建路366号6楼
发明人
许修文;叶俊莹
分类号
H01L21/822;H01L27/04
主分类号
H01L21/822
代理机构
代理人
庄志强 台北市大安区敦化南路2段71号18楼
主权项
地址
新北市汐止区工建路366号6楼
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