Method and apparatus for zone recrystallization

Details Method and apparatus for zone recrystallization Method and apparatus for zone recrystallization

1986-01-06

1988-06-07

Doll, John

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156DIG88, 156DIG91, 15662071, C30B 1108, C30B 1114

Patent

active

047494387

ABSTRACT:
A method and apparatus for producing crystalline ribbons by zone melting. Means for coupling electromagnetic energy into a film of material are provided to appropriately induce electrical currents in order to control and restrict the molten zone and suppress net loss of the heat of fusion from the balance of the ribbon in contact with the melt, thus controlling the thickness uniformity of the resulting ribbon. The heat of crystallization is selectively removed by a heat absorbing means from one end of the melt zone in a direction substantially perpendicular to the direction of pulling.

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Okamoto et al., "Current-Assisted Laser Annealing of Polysilicon Films," Applied Physics Letters, vol. 42, pp. 809-811, 1 May 1983.

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