IN-AG-TE-SB PHASE-CHANGE RECORDING MEDIA AT COMPACT-DISK LINEAR VELOCITY

被引：17

作者：

HANDA, T

TOMINAGA, J

HARATANI, S

TAKAYAMA, S

机构：

[1] TDK Chikumagawa The 1st Technical Center, Saku-shi, Nagano, 389-02

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1993年 / 32卷 / 11B期

关键词：

PHASE CHANGE; OPTICAL DISK; REWRITABLE CD; AG-IN-TE-SB ALLOY; CRYSTALLIZATION SPEED; COOLING RATE;

D O I：

10.1143/JJAP.32.5226

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The feasibility of In-Ag-Te-Sb phase change recording media was investigated at an actual compact disk (CD) linear velocity. The composition of 0.5 at% V-doped In3.8Ag12.4Te28.8Sb55.0 was used for the recording layer which we have reported previously. To improve the repetition property of overwriting, the disk structure was modified so that the cooling rate of the disk was increased. Consequently, recording jitter of less than 30 ns and modulation of more than 60% were maintained up to 2000 repetitions of overwriting when eight-fourteen modulation (EFM) signal with pulse-train division was applied.

引用

页码：5226 / 5229

页数：4

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