Method of evaluating optical information medium

Details Method of evaluating optical information medium Method of evaluating optical information medium

2006-08-15

2006-08-15

Nguyen, Tu T. (Department: 2877)

Optics: measuring and testing

By particle light scattering

With photocell detection

Reexamination Certificate

active

07092091

ABSTRACT:
A method for evaluating an optical information medium by judging quantitatively and reproducibly the surface quality of the optical information medium by the use of a novel artificial fingerprint liquid as an evaluation dispersion liquid including: adhering, under predetermined conditions, the evaluation dispersion liquid; measuring a recording/reproducing characteristic (e.g. error rate) of the medium with the evaluation dispersion liquid droplets adhered to the medium surface; and judging the optical information medium as an acceptable medium when the measured recording and/or reproducing characteristic is equal to, or better than, a predetermined value.

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