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Journal Article
Process Development of Small Form Factor Optical Recording Disk
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- Authors
- W. S. Cheong, Y. G. Yoo
- Issue Date
- 2006-08
- Citation
- Japanese Journal of Applied Physics, v.45, no.8A, pp.6275-6278
- ISSN
- 0021-4922
- Publisher
- Japan Society of Applied Physics (JSAP), Institute of Physics (IOP)
- Language
- English
- Type
- Journal Article
- Abstract
- We report that a unique reliable process for manufacturing a 28 mm small disk for the blue-ray optical recording system has been developed successfully. To prevent the severe axis run-out, a stepped metal hub for magnetic chucking is directly inserted into the punched-center of a 0.6mm thick disk. Instead of the conventional laser initializer, we make a new type of UV disk initializer, using Xe-type UV-lamps, which is expected to increase the productivity of rewritable optical disks, due to the short initialization time. Furthermore, the modified dynamic tester makes it possible to analyze small blue-ray disks___ effectively. © 2006 The Japan Society of Applied Physics.