Bernoulli effect transducer coupler

Details Bernoulli effect transducer coupler Bernoulli effect transducer coupler

1989-03-27

1990-12-04

Severin, David J.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360103, 360122, G11B 548, G11B 2121

Patent

active

049757946

ABSTRACT:
A magnetic head assembly having a flat surface for disposition adjacent to a recording medium and a protrustion in the range of about 1 to about 20 micro-inches on the flat surface effects coupling of the head assembly to the recording medium and creates a constant contact zone, surrounding the read/write gap of the head assembly, between the head assembly and the record medium. The preferred range for the protrusion is about 6 to about 8 micro-inches and the area of the flat surface is preferably in the range of about 3 to about 4 square millimeters.

REFERENCES:
patent: 4414592 (1983-11-01), Losee et al.
patent: 4605977 (1986-08-01), Matthews
patent: 4833556 (1989-05-01), Kosarko et al.

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