RECONSTRUCTING THE STRUCTURAL PROFILE OF A SEMICONDUCTOR OVER THE THICKNESS OF A WAFER FROM PHOTOLUMINESCENCE SPECTRA

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作者
MASLOBOEV, YP
SELISHCHEV, SV
TERESHCHENKO, SA
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中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
A new noncontact method that depends upon an analysis of the photoluminescence spectra is proposed for studying spatially nonuniform distributions of the material characteristics of semiconductor wafers in microelectronics. As an example, the workability of the proposed method was demonstrated by using numerical modeling to reconstruct the dependence of the band gap on the depth from the surface of a semiconductor wafer. (C) 1995 American Institute of Physics.
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页码:801 / 803
页数:3
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