Magnetic recording media having an undercoat as islands

Details Magnetic recording media having an undercoat as islands Magnetic recording media having an undercoat as islands

1984-04-27

1986-10-07

Robinson, Ellis P.

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

360134, 360135, 360136, 427131, 427128, 428323, 428328, 428336, 4284237, 4284735, 4284744, 4284752, 428480, 428694, 428900, 428910, G11B 572

Patent

active

046159304

ABSTRACT:
A magnetic recording medium comprising a non-magnetic resin support, and a magnetic layer form on the support. A polyester or polyurethane resin undercoat is formed between the support and the magnetic layer in the form of islands which are isolated from one another.

REFERENCES:
patent: 4153920 (1979-05-01), Shinahata
patent: 4183976 (1980-01-01), Yamada
patent: 4348446 (1982-09-01), Mitsuishi
patent: 4364885 (1982-12-01), Kanai
patent: 4489117 (1984-12-01), Ono
patent: 4528240 (1985-07-01), Miyoshi
patent: 4539265 (1982-09-01), Yazawa
patent: 4540618 (1985-09-01), Suzuki

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