Method and apparatus for burnishing flexible recording material

Details Method and apparatus for burnishing flexible recording material Method and apparatus for burnishing flexible recording material

1974-07-31

1976-03-16

Smith, Al Lawrence

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51 51, 51 75, 51132, 51281R, B24B 704, B24B 100

Patent

active

039436667

ABSTRACT:
A method and apparatus for treating the recording layer of flexible recording elements to remove protruding agglomerated particles formed during the fabrication process and to provide an extremely smooth surface finish on the order of 1.8AA or less. Several embodiments are disclosed for treating both annular recording discs and roll type recording media. The method comprises burnishing the recording layer surface with a hard smooth abrasive member while supporting the flexible recording element on a resilient backing surface and observing key parameters.

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