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发明名称
半导体电阻元件及其制造方法
摘要
本发明系揭露一种半导体电阻元件及其制造方法。当多晶矽作为电阻元件时,其两侧形成金属矽化物(salicide)具有接触垫用以与外部导线连接。然而如电阻元件为高电阻系数时,金属矽化物与其阻障氧化层之间会产生界面电阻,其系会受到电压及温度变化,造成电阻值不稳定。本发明则提供一高浓度的离子植入于多晶矽电阻元件之两端,且此高浓度离子植入步骤系于金属矽化物形成之前进行之;如此电阻元件之两侧于金属矽化物下方之多晶矽为较低之电阻系数,以大大降低此界面电阻,使电阻元件受电压和温度之变化可大为减小。
申请公布号
TW200516670
申请公布日期
2005.05.16
申请号
TW092130800
申请日期
2003.11.04
申请人
上海宏力半导体制造有限公司 GRACE SEMICONDUCTOR MANUFACTURING CORPORATION 中国
发明人
高荣正
分类号
H01L21/3205
主分类号
H01L21/3205
代理机构
代理人
林火泉
主权项
地址
中国
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