Reversible phase-change optical recording by using microcellular GeSbTeCo recording film

Shigenori Okamine; Motoyasu Terao; Keikichi Andoo; Yasushi Miyauchi

doi:10.1117/12.45921

1 July 1991 Reversible phase-change optical recording by using microcellular GeSbTeCo recording film

Shigenori Okamine, Motoyasu Terao, Keikichi Andoo, Yasushi Miyauchi

Proceedings Volume 1499, Optical Data Storage '91; (1991) https://doi.org/10.1117/12.45921
Event: Optical Data Storage, 1991, Colorado Springs, CO, United States

Abstract

A microcellular recording film is proposed to prevent material flow due to multiple overwriting in phase-change optical disks. The GeSbTeCo recording film, divided into cells of approximately 20-30 nm in diameter, is prepared by sputter-etching using a Ti polycrystalline film as a mask. Reversible phase-change occurs in the microcellular GeSbTeCo film. Moreover, single beam overwriting is achieved at a linear velocity of 7 m/s.

Citation Download Citation

Shigenori Okamine, Motoyasu Terao, Keikichi Andoo, and Yasushi Miyauchi "Reversible phase-change optical recording by using microcellular GeSbTeCo recording film", Proc. SPIE 1499, Optical Data Storage '91, (1 July 1991); https://doi.org/10.1117/12.45921

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