Dynamic testing of optical disk
- Received Date: 1990-02-20
- Accepted Date: 1990-04-10
- Available Online: 1990-11-25
Abstract: By utilizing quadrant detectors, a dynamic testing methord for optical disk is proposed.The disk's height variation and tilt are measured under driven by the motors of disk driver. The analysis of the results is made with a brief discussion on the error in measurement.