Erasable recording medium comprising a dimer acid polyamide...

Details Erasable recording medium comprising a dimer acid polyamide... Erasable recording medium comprising a dimer acid polyamide...

G - Physics

11

B

42/5, 327/1.4, 3

G11B 7/24 (2006.01) G11B 7/245 (2006.01)

Patent

CA 1192662

ABSTRACT OF THE DISCLOSURE Provided is an erasable recording medium and a method for recording and erasing same. The erasable recording medium comprises a thermally stable substrate and a polymeric layer deposited on the substrate comprised of a lower molecular weight dimer acid polyamide. Such a recording medium has excellent dimensional and mechanical stability on storage, readily and easily records information, and has an ability to be easily and completely erased when erasure is desired.

430501

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