Reduction of interference pickup in heads for magnetic recording by minimizing parasitic capacitance

Reduction of interference pickup in heads for magnetic recording by minimizing parasitic capacitance

Disclosed is a system and a method for reducing high frequency interference pickup by the read element of the magneto-recording head. The reduction is achieved by reducing the parisitic capacitance between certain elements of the magnetic head. In one embodiment, the areas of the pads and leads, inc...

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Hauptverfasser: YUAN SAMUEL W, BURLESON MARK ALLEN, NIKITIN VLADIMIR, SALO MICHAEL PAUL, SMITH ROBERT LANGLAND
Format: Patent
Sprache:eng
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INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
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creator YUAN SAMUEL W
BURLESON MARK ALLEN
NIKITIN VLADIMIR
SALO MICHAEL PAUL
SMITH ROBERT LANGLAND
description Disclosed is a system and a method for reducing high frequency interference pickup by the read element of the magneto-recording head. The reduction is achieved by reducing the parisitic capacitance between certain elements of the magnetic head. In one embodiment, the areas of the pads and leads, including the areas of the leads over the S1 and the areas of the sensor leads, are reduced. A second implementation involves increasing the separation between the pads and leads and the substrate material. Copper studs or vias may be used to connect the contact pads and the underlying layers. A third implementation includes using a low dielectric constant material as a spacer layer between conductors (leads, pads, magnetic shields) and the substrate.
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subjects INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
title Reduction of interference pickup in heads for magnetic recording by minimizing parasitic capacitance
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