Calibration standards for flying height testers

Details Calibration standards for flying height testers Calibration standards for flying height testers

1985-04-01

1986-11-25

LaRoche, Eugene R.

Optics: measuring and testing

Standard

360103, G11B 560

Patent

active

046245642

ABSTRACT:
A calibration standard simulates predetermined flying characteristics of a magnetic head for calibrating flying height testers. The standard comprises a substrate having a reflective layer supported thereon. A transparent layer is disposed over the reflective layer so that the reflective layer is disposed at a predetermined angle to a surface of the transparent layer, the predetermined angle representative of a predetermined flying angle of a head over a disk, the transparent layer having a thickness representative of a predetermined flying height of a head over a disk. A process for manufacturing and calibrating the calibration standard is also described.

REFERENCES:
patent: 3678219 (1972-07-01), Dennis
patent: 4346996 (1982-08-01), Miller

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