Exabyte Corporation

Alan Butler

John F Ellis

Christopher J Clos

A calibration cartridge ( ) for an automated media library ( ) comprises a cartridge case ( ) having a calibration surface ( ) and an electromagnetic transmissive channel ( ). The electromagnetic transmissive channel transmits electromagnetic radiation incident upon the calibration surface at a radiation reception port ( ) in a first position of the calibration cartridge so that the electromagnetic radiation travels interiorily through the calibration case and exits from the calibration cartridge at a radiation exit aperture ( ) in a second position on the calibration surface. The calibration cartridge is usable in an automated information storage library which comprises plural cartridge-accommodating cells ( ) and a drive ( ).

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Boulder, CO, United States of America

Alan Butler