NEENAH, WI -- Plexus is building a design center in Germany, with an expected completion date in the December quarter.

SAN JOSE -- Cadence Design Systems will seek to raise up to $300 million from the sale of convertible senior notes due 2015. Most of the cash will be used to pay debt due between 2011 and 2013.

WILSONVILLE, OR -- Mentor Graphics reported fiscal first-quarter sales fell 6.8% year-over-year to $180.6 million.

WASHINGTON -- An International Trade Commission panel tasked with resolving a two-year patent battle pitting Rambus against Nvidia and several other big-name tech companies will delay ruling for two more months.