Dynamic information storage or retrieval – Condition indicating – monitoring – or testing – Including radiation storage or retrieval
Patent
1994-03-30
1997-12-30
Epps, Georgia Y.
Dynamic information storage or retrieval
Condition indicating, monitoring, or testing
Including radiation storage or retrieval
369124, 369 4432, G11B 700
Patent
active
057038554
ABSTRACT:
A super high density optical disk apparatus is obtained by using an exchangeable recording medium having a recording capacity of at least 1.5 Gb/in.sup.2 in an optical recording and reading apparatus for recording or reading at least using a laser beam or by using one of an element which can record on a recording medium only once and another element which can record at least two times repeatedly as recording elements to be used.
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An Analysis of Eye Diagram Phase Jitter in Optical Disk Systems V The Quadratic Dependency of Phase Jitter on Wavefront Aberration, Shigeo Kubota, Mar. 23, 1985.
Ide Horishi
Kaku Toshimitsu
Kirino Fumiyoshi
Kugiya Fumio
Maeda Takeshi
Edun Muhammad N.
Epps Georgia Y.
Hitachi , Ltd.
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