概要（Overview）

The EpiScan 9900 series of products are benchtop metrology systems containing a single measurement module, which is capable of making selected measurements, including Epi thickness, thickness variation and dopant profile. The EpiScan 9900 system, introduced in 1997, is based on advanced, model-based FTIR (Fourier Transform Infrared Spectroscopy) technology licensed to the Company by On-Line Technologies, Inc. The EpiScan 9900 system is capable of being operated in a class 10 cleanroom environment.