Adjustable transfer tool for lapping magnetic head sliders

Details Adjustable transfer tool for lapping magnetic head sliders Adjustable transfer tool for lapping magnetic head sliders

1991-04-01

1992-06-02

Rachuba, M.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51217A, 269265, 269234, 74 8915, B24B 4900

Patent

active

051175894

ABSTRACT:
An adjustable transfer tool is used to compensate for row bow during lapping a bar or a row of magnetic head sliders. The adjustable transfer tool enables establishing uniform and substantially precise throat heights for a multiplicity of thin film transducers disposed on said sliders. To allow the desired adjustment, the transfer tool incorporates slot means by which the shape of the surface of the tool on which the bar of sliders is mounted can be modified so that the slider transducers assume a collinear array across its entire length for the lapping process. Adjustment is accomplished by manual means, such as by a screw or a tapered pipe plug, or by electrical means, such as a piezoelectric actuator, in conjunction with a computer or microprocessor.

REFERENCES:
patent: 260685 (1882-07-01), Inslee
patent: 2092372 (1937-09-01), Goeller
patent: 2277601 (1942-03-01), Morgan
patent: 3407018 (1968-10-01), Miller
patent: 4914868 (1990-04-01), Church et al.

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