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STRAIN-RELAXING METHODS AND METHODS OF FORMING STRAIN-RELAXED SEMICONDUCTOR LAYERS AND SEMICONDUCTOR DEVICES USING THE SAME AND RELATED SEMICONDUCTOR STRUCTURES
STRAIN-RELAXING METHODS AND METHODS OF FORMING STRAIN-RELAXED SEMICONDUCTOR LAYERS AND SEMICONDUCTOR DEVICES USING THE SAME AND RELATED SEMICONDUCTOR STRUCTURES
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机译:应变松弛方法以及使用相同和相关的半导体结构形成应变松弛的半导体层和半导体器件的方法
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摘要
The present invention relates to a strain-relaxing method, a method for forming a strain-relaxed semiconductor layer and a semiconductor device using the same, and a related semiconductor structure. The strain-relaxing method, according to the present invention, forms a porous region on a surface of a semiconductor substrate; forms a first semiconductor layer which is lattice-matched to the semiconductor substrate on top of the porous region; and forms a second semiconductor layer on the first semiconductor layer, the second semiconductor layer being formed as a strained semiconductor layer, and relaxes the second semiconductor layer.
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