In 2007 , VIS has acquired the 8 - inch fab of Winbond Electronics Corp. expanding its production ability .
As of February 2004 , VIS completely terminated its DRAM production and became a pure - play foundry company .
In 2007 , VIS has acquired the 8 - inch fab of Winbond Electronics Corp. expanding VIS 's production ability .
As of February 2004 , VIS completely terminated its DRAM production and became a pure - play foundry company .