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US 6,674,610 B1Granted
Thin film write head with universal coil design
AssigneeWestern Digital (Fremont), LLC
InventorsMark Thomas, David Seagle, Carlos Corona, Amritpal Rana
Life of this patent
Estimating the term…
Abstract
In at least one embodiment, a thin film write head having a conductor with a coil structure having a central axis perpendicular to an air bearing surface. The conductor having a first contact centrally located at a first end of the conductor. The conductor having plurality of contacts located distal from the first contact. The plurality of contacts having at least one contact on either side of the central axis of the write head.
Claims20
A thin film write head comprising:
- a) a conductor having a coil structure having a central axis perpendicular to an air bearing surface, the conductor comprising:
- (i) a first contact coupled to the conductor near a first end thereof and disposed in a central portion of the coil structure;
- and
- (ii) second and third contacts coupled to the conductor near a second end thereof and disposed at a periphery of the coil structure, the second and third contacts being disposed on opposite sides of the central axis of the coil structure.
1 more element
A thin film write head comprising:
- a) a conductor having a coil structure having a central axis perpendicular to an air bearing surface, the conductor comprising:
- (i) a first contact disposed on the central axis and coupled to the conductor near a first end of the conductor;
- and
- (ii) a plurality of contacts coupled to the conductor near a second end of the conductor, the plurality of contacts comprising at least one contact on either side of the central axis.
1 more element
A thin film head comprising:
- a write head comprising a conductor coil having a central axis perpendicular to an air bearing surface comprising a universal coil tap means for allowing routing of a pair of driver leads from a pair of pads located on either side of the central axis to the conductor coil without crossing the driver leads over each other and without either of the driver leads crossing over the central axis and for allowing the driver leads to be routed to provide current flow in either a clockwise or a counterclockwise direction within the conductor coil for any selected pad polarity.
Dependencies are inferred from the claim text.