The patented WIP tracking system is a key component of eSilicon Access, a complete virtual manufacturing system that helps coordinate and manage the semiconductor supply chain throughout all phases of IC development, including design, manufacturing, test, package and final delivery of silicon. The system provides customers with complete 24 x 7 visibility for WIP, orders and delivery schedules through a secure online Web portal. eSilicon Corporation, Sunnyvale, Calif., www.esilicon.com/services/access.html.