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发明名称
低应力之磊晶用的矽晶圆
摘要
一种低应力之磊晶用的矽晶圆包含:矽基板、形成于矽基板上的第一矽磊晶层,及形成于第一矽磊晶层上的第二矽磊晶层。矽基板含有一选自硼或磷的掺质,且掺质浓度为100X at%。第一矽磊晶层含有矽基板之掺质与锗且具有相反的第一、二侧部,第一侧部邻近矽基板,前述掺质浓度是实质等于矽基板中掺质之浓度,前述锗浓度是自第一侧部朝第二侧部由0 at%递增至100Y at%。第二矽磊晶层含有第一矽磊晶层之掺质与锗,且掺质之浓度实质等于第一矽磊晶层中掺质之浓度,锗之浓度实质等于第一矽磊晶层的第二侧部中锗之浓度。
申请公布号
TW201440124
申请公布日期
2014.10.16
申请号
TW102113110
申请日期
2013.04.12
申请人
合晶科技股份有限公司
发明人
林文;邱恒德
分类号
H01L21/22(2006.01)
主分类号
H01L21/22(2006.01)
代理机构
代理人
<name>高玉骏</name><name>杨祺雄</name>
主权项
地址
桃园县杨梅市梅狮路2段445巷1号
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