Photo-induced temperature gradient zone melting

Details Photo-induced temperature gradient zone melting Photo-induced temperature gradient zone melting

H - Electricity

01

L

356/162, 356/176

H01L 21/428 (2006.01) C30B 13/06 (2006.01) C30B 13/10 (2006.01) C30B 13/24 (2006.01) H01L 21/24 (2006.01)

Patent

CA 1145859

1. Abstract of the Disclosure A temperature gradient zone melting process is disclosed wherein the temperature gradient is established substantially across only the molten zone by preferen- tially heating the molten zone. In a specific embodiment, the mechanism for inputting heat to the molten zone involves exposing a substrate to optical radiation of a wavelength and magnitude for which the molten zone is absorptive and the remainder of the body is transparent. The molten zone thereby migrates through the body toward the source of optical radiation.

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