Magnetic disk burnishing method and apparatus

Details Magnetic disk burnishing method and apparatus Magnetic disk burnishing method and apparatus

1989-06-28

1991-05-28

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51145R, 51154, B24B 2106, B24B 500

Patent

active

050183117

ABSTRACT:
A tape burnishing device presents aligned stretches of burnishing tape at each side of a rotating disk. Air nozzles at each side of the disk urge an elliptical pattern of the respective stretches of tape into contact with the disk. During burnishing the tape is stationary while the device is advanced to burnish the desired surface of the disk. The tape stretches, that are portions of a single tape, are positioned at an angle with respect to the radius of the disk and the device is advanced in a radial direction to optimize the burnishing action relative to the rotating disk surface. The tape is advanced between burnishing operations twice the dimension of use during a burnishing operation with the two operating locations out of phase to enable the single tape to advance past both burnishing locations while presenting an unused surface at each location and using the entire surface of the tape.

REFERENCES:
patent: 996443 (1911-06-01), Wysong
patent: 3041792 (1962-07-01), LaFleur
patent: 4347689 (1982-09-01), Hammond
patent: 4535567 (1985-08-01), Seaborn
patent: 4656790 (1987-04-01), Mukai

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