Dual-beam mastering for advanced formats

Gerarous J. Verhaart; Harry Stockx; Josephus M. Wijn; Du-Seop Yoon

doi:10.1117/12.248704

3 September 1996 Dual-beam mastering for advanced formats

Gerarous J. Verhaart, Harry Stockx, Josephus M. Wijn, Du-Seop Yoon

Proceedings Volume 2931, Fourth International Symposium on Optical Storage (ISOS '96); (1996) https://doi.org/10.1117/12.248704
Event: Fourth International Symposium on Optical Storage, 1996, Shenzhen, Guangdong Province, China

Abstract

A dual beam recorder for high density format has been developed. The recorder features remote control of size and mutual distance of both recording spots, a special beam pointing control system, and a high accuracy, laser interferometer controlled, radial drive. The recorder can switch between very dissimilar formats without intermediate alignment. The performance of the recorder has been shown for DVD, MO, and even higher density formats. Track pitches down to 0.7 micrometers have been realized.

Citation Download Citation

Gerarous J. Verhaart, Harry Stockx, Josephus M. Wijn, and Du-Seop Yoon "Dual-beam mastering for advanced formats", Proc. SPIE 2931, Fourth International Symposium on Optical Storage (ISOS '96), (3 September 1996); https://doi.org/10.1117/12.248704

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