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Abstract:
用磁控溅射SiO2膜作为台面SiGe/SiHBT的表面保护纯化膜和光刻掩膜.测试分析了溅射工艺对SiO2膜的性质和SiGe/SiHBT性能的影响.研究发现,较高的衬底温度(200℃)有得于改善SiO2膜的质量.用溅射SiO2方法制备的HBT的电流增益明显高于用热分解正硅酸乙脂方法淀积SiO2制备的HBT.这说明溅射法避免了高温引起SiGe层应变驰豫所造成的HBT性能变差.
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Source :
北京工业大学学报
Year: 1999
Issue: 04
Page: 45-48
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 11
Affiliated Colleges: