REDWOOD SHORES (AP) – Oracle Corp. sued semiconductor maker Micron Technology Inc. in federal court over price-fixing claims.

In its complaint in U.S. District Court in California, Oracle says its Sun Microsystems business bought billions of dollars worth of microchips from 1998 to 2002.

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Oracle, based in Redwood Shores, bought Sun in February.

Oracle says Boise-based Micron was among conspirators including South Korea’s Hynix and Samsung and Germany’s Infineon that artificially inflated microchip prices above what Sun should have paid, had the companies actually competed.

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The lawsuit says five companies have agreed to a nearly $1 billion fine and that Micron was granted amnesty from a U.S.  Department of Justice criminal prosecution because it cooperated.

Micron also escaped a fine in a European case in May because it brought the case to regulators there.

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