Surface treatment of disk-shaped nickel-plated aluminum substrat

Details Surface treatment of disk-shaped nickel-plated aluminum substrat Surface treatment of disk-shaped nickel-plated aluminum substrat

1987-08-06

1989-06-06

Olszewski, Robert P.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51326, 156664, B24B 100

Patent

active

048359092

ABSTRACT:
Disk-shaped nickel-plated aluminum substrates which are used as bases in the production of magnetic recording disks having a magnetizable metallic layer are surface treated by polishing and texturing.

REFERENCES:
patent: 4224381 (1980-09-01), Patel et al.
patent: 4347689 (1982-09-01), Hammond
patent: 4528063 (1985-07-01), Lawrence et al.
patent: 4586296 (1986-05-01), Saunders
patent: 4659605 (1987-04-01), Malik et al.
patent: 4659606 (1987-04-01), Wada et al.
patent: 4673590 (1987-06-01), Hashimoto et al.
patent: 4698251 (1987-10-01), Fakuda et al.
"UCAR DP-1 Computer Disk Polish", Union Carbide Specialty Powders, 1985, DP-1T5C6-1-85.
"Japanese Industrial Standard Surface Roughness", Japanese Standards Association, JIS B 0601, 1976.
Deutsche Normen, DIN 4768, Aug. 1974.

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