Located
30 miles north of Cincinnati,
SUMCO's Ohio facility manufactures
125, 150 and 200mm substrate
and epitaxial wafers for discrete
semiconductors used in transistors,
diodes, motor controllers,
ignition systems, alternators
and transformers. Originally
built in 1980, the Cincinnati
plant has undergone comprehensive
modernization and expansion,
and features leading-edge
production equipment and statistical
tools.