Microexplosion Recording in Spin-Coated Polymer Films Including ZnO Nanoparticles for Three-Dimensional Optical Memory
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概要
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As a microexplosion recording material, we propose polymer films including ZnO nanoparticles (ZnO polyester composite) for write-once multilayered recording media. These media with the ZnO composite material can be fabricated by a spin-coating method and can be read at the violet wavelength of 0.405 μm. By the electromagnetic analysis of diffraction loss, we clarified the pit design and the optical performance for void formation recording. From the results of experiments performed using three kinds of mode-locked pulsed lasers (pulse widths of 150 fs, 16 ps and 6 ns), with a clear reflection microscope image of submicrometer pits, the microexplosion sensitivity was confirmed to be greatly improved by 14, 38 and 50 times, respectively.
- 2004-07-15
著者
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Nishino Seiji
Storage Media Systems Development Center Matsushita Electric Ind. Co. Ltd.
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Yamamoto Hiroaki
Storage Media Systems Development Center, Matsushita Electric Ind. Co., Ltd., 3-1-1 Yagumo-Nakamachi, Moriguchi, Osaka 570-8501, Japan
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Shiono Teruhiro
Storage Media Systems Development Center, Matsushita Electric Ind. Co., Ltd., 3-1-1 Yagumo-Nakamachi, Moriguchi, Osaka 570-8501, Japan
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Nishino Seiji
Storage Media Systems Development Center, Matsushita Electric Ind. Co., Ltd., 3-1-1 Yagumo-Nakamachi, Moriguchi, Osaka 570-8501, Japan
関連論文
- Microexplosion Recording in Spin-Coated Polymer Films Including ZnO Nanoparticles for Three-Dimensional Optical Memory
- Two-Photon Absorption Recording in Photochromic Diarylethenes Using Laser Diode for Three-Dimensional Optical Memory