Proceedings PaperAn Overview Of Optical Disk Testers
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The development of an optical disk tester can be as demanding as the development of a production optical disk drive, especially if the tester does not have a companion drive program from which to draw hardware resources. For this reason it is prudent to set realistic targets for tester capability at the onset of a development program as the difficulty of the task is a strong function of the number of test capabilities assigned to the tester. This paper presents considerations and guidelines to assist in the planning of a disk tester. Specific issues addressed are: realistic measurement capabilities, the control of disturbances, measurement techniques. and calibration considerations and techniques. In addition to a general overview specific examples of measurement and calibration methods are presented. Also discussed in this paper are the special considerations associated with high throughput production disk testers.