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发明名称
半导体装置及其制造方法
摘要
本发明目的在于提供一种技术,其不会引起伴随于虚主动区域之配置之晶片面积增大,并使半导体基板之表面平坦性提高。其解决手段在于:于主动区域之n型埋入层3之上侧部分,形成具有厚的膜厚之高耐压MISFET之闸极绝缘膜7,于该闸极绝缘膜7之上侧部分,形成内部电路之电阻元件IR。藉由于n型埋入层3与电阻元件IR之间嵌插厚的闸极绝缘膜7,构成于基板1(n型埋入层3)与电阻元件IR之间形成之耦合电容降低之构造。
申请公布号
TW200715559
申请公布日期
2007.04.16
申请号
TW095125378
申请日期
2006.07.12
申请人
瑞萨科技股份有限公司
发明人
吉住圭一;桶口和久;中地孝行;绞缬政巳;安冈秀记
分类号
H01L29/78(2006.01);H01L21/3205(2006.01);H01L21/336(2006.01)
主分类号
H01L29/78(2006.01)
代理机构
代理人
陈长文
主权项
地址
日本
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