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AmRay 1000A SEM

AmRay 1000A SEM

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This was the second SEM installed in the EMF within the Department of Botany and Plant Pathology, Oregon State University. It was installed in 1980, and was in service for 13 years until 1993. It was funded by OSU Research Office with a $55,000 grant and acquired from Intel Corporation (Santa Clara, California) as a used SEM. Initially it was purchased by Intel in 1977 for $115,000. The maximum voltage was 30 kV, resolution was 5.0 nm with the maximum magnification 300,000 times. According the record, it accumulated over 4,000 beam hours. Over 22,000 photos were taken during this period.