Optical discs including equi-radial and/or spiral analysis...

Details Optical discs including equi-radial and/or spiral analysis... Optical discs including equi-radial and/or spiral analysis...

G - Physics

01

N

G01N 35/00 (2006.01)

Patent

CA 2513012

An optical analysis disc includes a substrate having an inner perimeter and an outer perimeter and an operational layer associated with the substrate. The operational layer includes encoded information located substantially along information tracks. An analysis area includes investigational features. The analysis area is positioned between the inner perimeter and the outer perimeter of the substrate and directed along the information tracks so that when an incident beam of electromagnetic energy tracks along the information tracks, any investigational features within the analysis zone are thereby interrogated circumferentially.

La présente invention concerne un disque d'analyse optique qui comprend un substrat possédant un périmètre intérieur et un périmètre extérieur ainsi qu'une couche opérationnelle associée à ce substrat. Cette couche opérationnelle comprend des informations codées situées sensiblement le long de pistes d'informations. Une région d'analyse comprend des caractéristiques d'investigation. Cette région d'analyse est placée entre le périmètre intérieur et le périmètre extérieur du substrat et, dirigée le long des pistes d'informations de sorte que, lorsqu'un faisceau incident de l'énergie électromagnétique vient irradier le long des pistes d'informations, toute les caractéristiques d'investigation présentes à l'intérieur de la zone d'analyse soient interrogées ainsi de manière périphérique.

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