Magnetic disc

Details Magnetic disc Magnetic disc

1986-06-18

1989-05-09

Robinson, Ellis P.

Stock material or miscellaneous articles

Composite

Of polyamidoester

252 6254, 427128, 428694, 428695, 428900, G11B 571

Patent

active

048289256

ABSTRACT:
A magnetic disc which comprises a non-magnetic support substrate and a magnetic layer thereon consisting of a magnetic coating comprising ferromagnetic powder, a binder, an aliphatic acid ester having a melting point not higher than 10.degree. C. and an aliphatic acid ester having a melting point from 15.degree. to 60.degree. C., the magnetic coating having improved lubricity and durability.

REFERENCES:
patent: 4172176 (1979-10-01), Tanaka
patent: 4247407 (1981-01-01), Naruse
patent: 4383000 (1983-05-01), Fujiki
patent: 4383001 (1983-05-01), Fujiki
patent: 4405481 (1983-09-01), Yamada
patent: 4420540 (1983-12-01), Ogawa
patent: 4522885 (1985-06-01), Funahashi
patent: 4595640 (1986-06-01), Chernega
patent: 4601946 (1986-07-01), Iida
patent: 4647502 (1987-03-01), Miyake
patent: 4652500 (1987-03-01), Ejiri
patent: 4666784 (1987-03-01), Imukai

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