In October 2007, Optimal Corporation was acquired by Apache Design Solutions. Optimal is a leading provider of high signal integrity electronic design automation software. The company's breakthrough technology and engineering expertise have helped leading chip and system companies solve challenging high-speed design problems and bring industry-leading products to market. Optimal provides customers with a complete signal integrity design flow from IC to package to PCB. The core technology includes superior finite-element techniques, efficient CAD database manipulation and unique signal integrity solution. The products are designed for both junior and senior engineers working on interconnect extraction, IR drop, crosstalk, and ground bounce analysis.