Disk drive head with radially spaced read and write elements...

Details Disk drive head with radially spaced read and write elements... Disk drive head with radially spaced read and write elements...

2005-11-22

2005-11-22

Tupper, Robert S. (Department: 2652)

Dynamic magnetic information storage or retrieval

Fluid bearing head support

Disk record

C360S097020, C360S235700, C360S236500

Reexamination Certificate

active

06967818

ABSTRACT:
The head of a disk drive has write elements disposed on one protrusion pad that wears away during initial operation to permit reduced tolerances and, thus, reduced spacing between the disk and head, with the read element being disposed on a separate protrusion pad and spaced from the write element pad in the radial dimension. This prevents read element recession during cooling in the absence of write current that could otherwise occur if the read element were located on the same pad as the write head.

REFERENCES:
patent: 6643093 (2003-11-01), Brown et al.
patent: 6714382 (2004-03-01), Alexopoulos et al.
patent: 6762909 (2004-07-01), Albrecht et al.
patent: 2002/0075593 (2002-06-01), Ultican et al.
Patent Application: “Magnetic Recording Disk Drive With Self-Limiting Wearable Contact Pad Air-Bearing Slider in Hermetically Sealed Environment”, Albrecht et al. Filed Aug. 2, 2002, U.S. App. No. 10/212,575.

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