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SemiSouth closure to cost California firm $60 million

STARKVILLE — The closure of a Mississippi semiconductor firm will cost a California company $60 million. Power Integrations of San Jose, Calif., says it will write off its 2010 investment in SemiSouth, a Starkville, firm that’s closing. SemiSouth’s 90 employees will be laid off. SemiSouth, which makes silicon carbide semiconductors, announced its closure last week. The company was founded by ...

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Starkville’s SemiSouth earns more patents

STARKVILLE — SemiSouth has been awarded its third US patent in 2009, and 18th overall in SiC power electronics technology. The patents cover methods of making normally-off SiC JFETs, self-aligned SiC fabrication methods and integration of SiC JFET, diodes and circuits. According to Dr. Jeff Casady, chief technology officer and vice president of business development, the recent patents were the ...

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