DOI: 10.1143/jjap.31.461. Completely Erasable Phase Change Optical Disk

Completely Erasable Phase Change Optical Disk

10.1143/jjap.31.461

Crossref journal-article

IOP Publishing

Japanese Journal of Applied Physics (266)

Abstract

A phase change optical disk using a new quaternary system of Ag-In-Sb-Te as the active layer will be reported. With this disk, “complete erasure” of the recorded signal has been achieved. A carrier-to-noise ratio of 47 dB and an erase ratio of -47 dB were obtained in the two-pass writing-erasing mode with a linear velocity of 7 m/s and a writing power of 11 mW. In the one-pass overwriting mode, a carrier-to-noise ratio greater than 40 dB was obtained and this recorded signal was also completely erased. The peak power and the bias power for the overwriting were 10 mW and 5 mW, respectively. The facts that the widths of the written marks are narrow and that no large crystalline grains are observed in the periphery of the written marks are considered to be the major causes for the high erasability. We also found that the existence of fine crystalline particles in the initialized active layer can be considered to be of great advantage to high sensitivity.

Bibliography

Iwasaki, H., Ide, Y., Harigaya, M., Yoshiyuki Kageyama, Y. K., & Itaru Fujimura, I. F. (1992). Completely Erasable Phase Change Optical Disk. Japanese Journal of Applied Physics, 31(2S), 461.

Authors 5

Hiroko Iwasaki (first)
Yukio Ide (additional)
Makoto Harigaya (additional)
Yoshiyuki Kageyama Yoshiyuki Kageyama (additional)
Itaru Fujimura Itaru Fujimura (additional)

References 11 Referenced 87

10.1103/PhysRevLett.21.1450 / Phys. Rev. Lett. (1968)
10.1143/JJAP.26S4.1 / Proc. Int. Symp. on Optical Memory, Tokyo, 1987, Jpn. J. Appl. Phys. (1987)
10.1063/1.342502 / J. Appl. Phys. (1988)
{'volume': '695', 'journal-title': 'Proc. SPIE', 'year': '1986', 'key': ''} / Proc. SPIE (1986)
10.1143/JJAP.28S3.123 / Proc. Int. Symp. on Optical Memory, 1989, Jpn. J. Appl. Phys. (1989)
{'year': '1989', 'key': ''} (1989)
{'year': '1988', 'key': ''} (1988)
10.1143/JJAP.26S4.61 / Mat. Sci. & Eng. (1984)
{'volume': '68', 'journal-title': 'Göttinger Nachr.', 'year': '1918', 'key': ''} / Göttinger Nachr. (1918)
10.1016/0039-6028(81)90173-4 / Surface Sci. (1981)
{'key': '', 'first-page': '32', 'volume': '1', 'year': '1986', 'journal-title': 'Aluminum Alloys: Their Physical and Mechanical Properties'} / Aluminum Alloys: Their Physical and Mechanical Properties (1986)

Dates

Type	When
Created	20 years, 6 months ago (Feb. 22, 2005, 9:05 p.m.)
Deposited	2 years, 8 months ago (Dec. 6, 2022, 4:46 p.m.)
Indexed	2 months, 4 weeks ago (May 31, 2025, 12:56 a.m.)
Issued	33 years, 6 months ago (Feb. 1, 1992)
Published	33 years, 6 months ago (Feb. 1, 1992)
Published Print	33 years, 6 months ago (Feb. 1, 1992)

Funders 0

None

BibTeX

@article{Iwasaki_1992, title={Completely Erasable Phase Change Optical Disk}, volume={31}, ISSN={1347-4065}, url={http://dx.doi.org/10.1143/jjap.31.461}, DOI={10.1143/jjap.31.461}, number={2S}, journal={Japanese Journal of Applied Physics}, publisher={IOP Publishing}, author={Iwasaki, Hiroko and Ide, Yukio and Harigaya, Makoto and Yoshiyuki Kageyama, Yoshiyuki Kageyama and Itaru Fujimura, Itaru Fujimura}, year={1992}, month=feb, pages={461} }

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