Multi-stack rolled-up information carrier

Details Multi-stack rolled-up information carrier Multi-stack rolled-up information carrier

2007-04-10

2007-04-10

Edun, Muhammad (Department: 2627)

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Electrical modification or sensing of storage medium

C369S100000

Reexamination Certificate

active

10546308

ABSTRACT:
The invention relates to an information carrier for scanning information by means of an optical beam having a wave-length. The information carrier comprises a central hole (11) and at least two information stacks (13, 14) rolled up around said hole. Each information stack comprises a first electrode, a second electrode and a material whose optical properties at the wavelength of the optical beam depend on a potential difference applied between the first and second electrodes.

REFERENCES:
patent: 4939716 (1990-07-01), Petrov et al.
patent: 6977883 (2005-12-01), Terao et al.
patent: 2002/0176349 (2002-11-01), Gibson et al.

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