Computer hardware; computer hardware and software for testing, inspecting, characterizing, and predicting physical and electrical properties of semiconductors, integrated circuits, microelectronics, wafers, and lithographic masks; instruments for testing, inspecting, and characterizing physical properties of semiconductors and integrated circuits; computer software for use in process control and yield management for the semiconductor, integrated circuit and related microelectronics manufacturing industries; computer software for providing analytic data on the performance of inspection and metrology tools; computer hardware and software used for monitoring, controlling, and improving semiconductor and integrated circuit manufacturing processes; computer hardware and software used for event prediction in the manufacturing of semiconductors and integrated circuits; reconditioned computer hardware tools, namely, inspection, metrology and testing hardware that are used in field of semiconductors, thin film heads and related industries that use the same manufacturing technology; semiconductor and wafer defect inspection systems comprised of computer software, final test data and electrical data algorithms, and inline defect and metrology computer hardware equipment; computer software for use in detecting defective semiconductor electronic components