Information storage medium with protective foil and method...

Details Information storage medium with protective foil and method... Information storage medium with protective foil and method...

G - Physics

11

B

352/32.3

G11B 7/00 (2006.01) H04N 5/76 (2006.01)

Patent

CA 1082807

ABSTRACT OF THE DISCLOSURE A method and apparatus for writing video information with a laser on a recording surface employing a protective foil on the writing surface through which foil the laser write beam is focussed. A stream of filtered gas is passed between the foil and the writing surface to remove any gaseous or particulate by-products of the writing process, and to pro- tect the writing surface from room contaminance.

262010

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