Method for reducing residual stresses in crystals

Adhesive bonding and miscellaneous chemical manufacture – Delaminating processes adapted for specified product – Delaminating in preparation for post processing recycling step

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Details

156DIG73, 156608, C30B 1534

Patent

active

042486459

ABSTRACT:
A temperature profile controller is provided for cooling a crystal as it is pulled from a melt so that a substantially linear temperature gradient is established and maintained along the length of the crystal as it is cooled, whereby to prevent or reduce the occurrence of residual stresses in the crystal.

REFERENCES:
patent: 3342559 (1967-09-01), Dermatis
patent: 3880984 (1975-04-01), Akiyama
patent: 3961905 (1976-06-01), Rice

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