Browdy and Neimark
Magnetic card having embossed portions and a magnetic layer having magnetic powders specified binder resins and a tensile elongation at break of 50 percent or more
 Disclosed is a magnetic card which comprises a substrate of a thermoplastic resin and a magnetic recording layer provided on the whole surface of at least one side of the substrate, wherein necessary matters such as letters and figures can be formed in a given area by embossing treatment, and wherein the magnetic recording layer consists of a magnetic film which contains 70% by weight or more of magnetic powders having a coercive force of 300 Oe or higher and which has a tensile break elongation of 50% or more. 
Sumitomo Bakelite Company Limited
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Y10T Y10T Y10T G06K Y10S G06K Y10T
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Koji Kunimasa Masaharu Toru Katsufumi
Choki Kobayashi Saito Tachiwada Awaya