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INSULATED/DIRECT CONTACT/SELF-ALIGNED FLUX GUIDES FOR TUNNEL VALVE

IP.com Disclosure Number: IPCOM000015222D
Original Publication Date: 2001-Dec-25
Included in the Prior Art Database: 2003-Jun-20
Document File: 1 page(s) / 33K

Publishing Venue

IBM

Abstract

Flux guide may be necessary between the Tunnel Valve and the air bearing surface for reliability consideration. We disclose a structure which provides insulated/self-aligned Flux guides for the Tunnel Valve. First bottom shield is coated with insulation with opening defined for the Tunnel Valve contact to shield. The Tunnel Valve is deposited and defined. The junction is oxidized and the flux guide and top insulation layers are then deposited using the same resist mask as used for defining the Tunnel Valve. The structure achieved provides insulated flux guides which make direct physical contact with the Tunnel valve and are self-aligned with the Tunnel valve.

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  INSULATED/DIRECT CONTACT/SELF-ALIGNED FLUX GUIDES FOR TUNNEL VALVE

    Flux guide may be necessary between the Tunnel Valve and the air bearing surface for reliability consideration. We disclose a structure which provides insulated/self-aligned Flux guides for the Tunnel Valve. First bottom shield is coated with insulation with opening defined for the Tunnel Valve contact to shield. The Tunnel Valve is deposited and defined. The junction is oxidized and the flux guide and top insulation layers are then deposited using the same resist mask as used for defining the Tunnel Valve. The structure achieved provides insulated flux guides which make direct physical contact with the Tunnel valve and are self-aligned with the Tunnel valve.

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