摘要
可见光ＬＥＤ的进展——超高亮度ＬＥＤ及应用（二）张万生梁春广（电子工业部第十三研究所，石家庄，０５００５１）４超高亮度发光管的发展［９～１４］４．１ＩｎＧａＡｌＰＤＨＬＥＤ发光强度达到坎德拉级发光管的高亮度化一直是半导体材料和器件的前沿课题之一，超高...
A brief review is given to the progress of heterojunction bipolar transistors with silicon germanium base.The structure,characteristics and its fabrication are analysed .Its prospect is addressed.
出处
《半导体情报》
1997年第4期9-17,共9页
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