Before revision: Filtronic Compound Semiconductors In 1999 Filtronic purchased the former Fujitsu semiconductor plant in Newton Aycliffe, County Durham, with the aim of converting the silicon DRAM fab to produce monolithic microwave integrated circuits (MMIC) on 6-inch GaAs (gallium arsenide) wafers.
After revision: Filtronic compound semiconductors In 1999 Filtronic purchased the former Fujitsu semiconductor plant in Newton Aycliffe, County Durham, with the aim of converting the silicon DRAM fab to produce monolithic microwave integrated circuits (MMIC) on 6-inch GaAs (gallium arsenide) wafers.