Abstract: A boron-containing electrical steel sheet is provided with an electrolytically-deposited boron-containing Mg(OH).sub.2 primary coating about 0.05 mil thick and a secondary coating of electrolytically-deposited Mg(OH).sub.2 about 0.15 mil thick.
Abstract: A relatively thin coat of calcium metaborate is electrolytically-applied directly to the surface of a boron-containing electrical steel and a substantially thicker overcoat of Mg(OH).sub.2 is electrolytically-deposited on the calcium metaborate coating to provide a duplex coating about 0.2 mil thick.
Abstract: Deep diodes which extend in straight lines through a silicon wafer are produced by migrating aluminum droplets through the wafer while maintaining a finite temperature gradient through the wafer in the direction of straight line droplet travel, and at the same time maintaining a zero temperature gradient through the wafer in a direction normal to the droplet travel course. Unidirectional heat flow apparatus implementing this method is also disclosed.
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