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Method for fabricating semiconductor thin film using substrate irradiated with focused light, apparatus for fabricating semiconductor thin film using substrate irradiated with focused light, method for selectively growing semiconductor thin film using substrate irradiated with focused light, and semiconductor element using substrate irradiated with focused light
Method for fabricating semiconductor thin film using substrate irradiated with focused light, apparatus for fabricating semiconductor thin film using substrate irradiated with focused light, method for selectively growing semiconductor thin film using substrate irradiated with focused light, and semiconductor element using substrate irradiated with focused light
An apparatus (100) for fabricating a semiconductor thin film includes: substrate surface pretreatment means (101) for pretreating a surface of a substrate; organic layer coating means (102) for coating, with an organic layer, the substrate thus pretreated; focused light irradiation means (103) for irradiating, with focused light, the substrate coated with the organic layer, and for forming a growth-mask layer while controlling layer thickness; first thin film growth means (104) for selectively growing a semiconductor thin film over an area around the growth-mask layer; substrate surface treatment means (105) for, after exposing the surface of the substrate by removing the growth-mask layer, modifying the exposed surface of the substrate; and second thin film growth means (106) for further growing the semiconductor thin film and growing a semiconductor thin film over the modified surface of the substrate.
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