Systems and methods for making a magnetic recording medium on a

Details Systems and methods for making a magnetic recording medium on a Systems and methods for making a magnetic recording medium on a

1999-03-23

2000-09-05

Diamond, Alan

Chemistry: electrical and wave energy

Processes and products

Coating, forming or etching by sputtering

2041921, 2041922, 20419212, 20419211, 20429804, 20429823, 20429824, 20429825, 20429826, 20429815, 20429806, 242917, 414222, 414225, 414431, 414432, 451 57, 451 63, 451 28, 451 64, 451119, 451162, 451163, 451177, 451294, 451331, 451336, 451337, 451340, 451360, 451364, 451365, 427128, 427129, 428 653, 360 9701, 360135, C23C 1434, B24B 100, G11B 5012

Patent

active

061137537

ABSTRACT:
A method is provided for processing a metal foil sheet to produce magnetic recording media. The method comprises providing an elongate metal foil sheet having a first side and a second side. The sheet is advanced through a plurality of processing stations in equal unit length segments such that each segment receives the same treatment to form a magnetic recording medium from each segment. Method are also provided to prepare the foil surfaces by polishing, texturing, cleaning, and stress relieving, to coat the prepared surfaces with at least one metal layer, to finish the coated layers by buffing, burnishing, and lubricating, and to form disk units from the prepared, coated and finished surfaces.

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