Patterned epitaxial regrowth using overlapping pulsed irradiatio

Metal treatment – Compositions – Heat treating

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148175, 148187, 219121L, 250492A, 357 91, H01L 21268, H01L 2126

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042343585

ABSTRACT:
A technique isdescribed for removing defects and disorder from crystalline layers and the epitaxial regrowth of such layers. The technique involves depositing short term bursts of energy over a limited spatial region of a material thereby annealing the otherwise damaged material and causing it to epitaxially regrow. Subsequent to the short term energy deposition, similar processing is sequentially effected on adjoining and overlapping regions such that a pattern is ultimately "written". This pattern forms a continuous region of essentially single crystal material.

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