Crystal-growth furnace for interface curvature control

Details Crystal-growth furnace for interface curvature control Crystal-growth furnace for interface curvature control

1989-12-01

1993-09-28

Breneman, R. Bruce

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

1641221, 1641222, C30B 1100

Patent

active

052483770

ABSTRACT:
In a Bridgman-type apparatus for growing single crystals, a pair of different gradient sections is located around the respective liquid and solid phases of a sample undergoing solidification. Each gradient section is chosen with thermal characteristics matching the thermal properties of the sample and more particularly taking into consideration the difference in thermal conductivity between the liquid and solid phases. The result is a better match or control of the temperature profile between the furnace and the sample material undergoing solidification which results in improved interface shape control.

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