Information recording medium

Details Information recording medium Information recording medium

G - Physics

11

B

154/141, 352/32.

G11B 7/24 (2006.01) G11B 7/257 (2006.01)

Patent

CA 2001152

ABSTRACT In an information recording medium having laminated two disc substrates by an adhesive, each disc substrate comprising a substrate and a recording layer, so that the recording layers are disposed opposite to each other, this invention provides an information recording medium wherein the adhesive is a hot melt adhesive having a softening point of 130 °C or more. The information recording medium forms no deviation between two laminated disc substrates thereof and has decreased deformation such as warpage even when exposed to an atmosphere at high temperature and humidity for a long time.

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