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发明名称
金氧半导体电晶体及其制作方法
摘要
本发明提供一种金氧半导体电晶体的制作方法,首先,提供一半导体基底,其系由单晶矽构成,然后,在上述半导体基底表面形成一闸极氧化层,接着,在上述闸极氧化层表面沈积一耐火金属层(refractorymetal)。其次,在上述耐火金属层表面形成一掺杂离子之矽层,然后,选择性蚀刻上述掺杂离子之矽层,直到露出上述耐火金属层为止,然后,选择性蚀刻上述耐火金属层,以形成一闸极电极。
申请公布号
TW200407950
申请公布日期
2004.05.16
申请号
TW091132928
申请日期
2002.11.08
申请人
台湾积体电路制造股份有限公司
发明人
邱显光;陈方正;陈豪育;邱远鸿;陶宏远
分类号
H01L21/02;H01L21/8238
主分类号
H01L21/02
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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