Magnetic medium and method of manufacturing the same

Details Magnetic medium and method of manufacturing the same Magnetic medium and method of manufacturing the same

1993-02-01

1994-08-09

Le, Hoa Van

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Making electrical device

430272, 430314, 430323, 156644, 156657, 156662, 427130, 427132, H01L 21306

Patent

active

053365860

ABSTRACT:
A magnetic medium comprising a substrate formed with a stepped pit and a magnetic substance buried in the stepped pit.
A method of manufacturing a magnetic medium comprising the steps of forming a first groove in a substrate by photoetching, forming a second groove in the first groove or in a portion adjacent to the first groove by the photoetching, the second groove being different in depth from the first groove, and burying magnetic substances into the first and second grooves.

REFERENCES:
patent: 4391849 (1983-07-01), Bischoff
patent: 4472240 (1984-09-01), Kameyama

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