Magnetic record carrier

Details Magnetic record carrier Magnetic record carrier

1976-12-09

1978-02-14

Steiner, Arthur J.

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

428632, 428633, 428660, 428666, 428926, 428928, B32B 1500

Patent

active

040740161

ABSTRACT:
A record carrier for a magnetic thin film metal layer includes a substrate coated with a pigmented epoxy resin as a synthetic substance layer. The pigment includes approximately 20% titanium dioxide and approximately 2% aluminum oxide. A thin getter metal layer is deposited over the synthetic substance layer for absorbing the outgasing from the synthetic substance layer. A relatively thicker metal layer such as chromium is then deposited over the getter layer for enhancing the magnetic properties of the subsequently deposited magnetic layer.

REFERENCES:
patent: 3116159 (1963-12-01), Fisher et al.
patent: 3150939 (1964-09-01), Wenner
patent: 3414430 (1968-12-01), Maho
patent: 3520664 (1966-11-01), York
patent: 3730852 (1973-05-01), Diebold et al.

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