Adhesive bonding and miscellaneous chemical manufacture – Delaminating processes adapted for specified product – Delaminating in preparation for post processing recycling step
Patent
1984-12-21
1990-03-27
Straub, Gary P.
Adhesive bonding and miscellaneous chemical manufacture
Delaminating processes adapted for specified product
Delaminating in preparation for post processing recycling step
1566171, 1566202, 156DIG70, 422245, 422249, C30B 1504, C30B 2940, C30B 2948, C30B 3500
Patent
active
049117807
ABSTRACT:
If the distribution coefficient of an impurity in a compound melt is less than 1, the impurity concentration in the compound melt doped with the impurity increased during a crystal growth in an LEC method. A supplying device replenishes an undoped crystal into the melt in order to keep the impurity concentration constant. The undoped crystal is covered with a liquid encapsulant which is contained in an encapsulant-supporting-cylinder or double-cylinder. Replenishing rate (dQ/dt) of the undoped crystal and the growing rate (dS/dt) should satisfy the equation
REFERENCES:
patent: 3759671 (1973-09-01), Bleil
patent: 4246064 (1981-01-01), Dewees et al.
patent: 4303464 (1981-01-01), Suzuki et al.
patent: 4329195 (1982-05-01), Kudo
Morioka Mikio
Shimizu Atsushi
Straub Gary P.
Sumitomo Electric Industries Ltd.
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