Optical disc, formed from joining individual discs and method an

Details Optical disc, formed from joining individual discs and method an Optical disc, formed from joining individual discs and method an

1997-11-12

2000-02-29

Young, W. R.

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

3692752, 3692753, 369286, G11B 700

Patent

active

060318082

ABSTRACT:
A read only memory (ROM) disc 10 has an annular ROM area 12 in an outer area thereof, and a random access memory (RAM) disc 20 has an annular RAM area 22 in an inner area thereof. The ROM disc and the RAM disc are manufactured independently each other under respective preferable conditions. An optical disc 30 is provided by adhering the ROM disc and the RAM disc each other. An optical pickup 32 reproduces the optical disc or records thereon by irradiating a light from one side thereof.

REFERENCES:
patent: 4466091 (1984-08-01), Takagi et al.
patent: 4825430 (1989-04-01), Halter et al.
patent: 4879704 (1989-11-01), Takagi et al.
patent: 5173886 (1992-12-01), Satoh et al.
patent: 5247494 (1993-09-01), Ohno et al.
patent: 5796712 (1998-08-01), Moribe et al.
patent: 5812519 (1998-09-01), Kawamura et al.
patent: 5815333 (1998-09-01), Yamamoto et al.
patent: 5825728 (1998-10-01), Yoshimoto et al.
patent: 5835479 (1998-11-01), Miyagawa et al.
Patent Abstracts of Japan, vol. 7, No. 224 (P-227), for JP 58-114343, Oct. 5, 1983.
Patent Abstracts of Japan, vol. 14, No. 201 (P-1041), for JP 2-42652, Apr. 24, 1990.

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