Inductive writer with flat top pole and pedestal defined...

Details Inductive writer with flat top pole and pedestal defined... Inductive writer with flat top pole and pedestal defined...

2005-03-22

2005-03-22

Castro, Angel (Department: 2653)

Dynamic magnetic information storage or retrieval

Head

Magnetoresistive reproducing head

Reexamination Certificate

active

06870712

ABSTRACT:
A disk drive write head (10) having a bottom pole (60), a first insulation layer (64) formed on the bottom pole (60), a coil (38) formed on the first insulation layer (64), a second insulation layer (66) formed on the coil (38), a write gap layer (76) formed on the second insulation layer (66), and a top pole (12) formed on the write gap layer (76), where the top pole (12) is substantially flat.A second embodiment (100) is described which is produced by a damascene process.

REFERENCES:
patent: 6172848 (2001-01-01), Santini
patent: 6317288 (2001-11-01), Sasaki
patent: 6317289 (2001-11-01), Sasaki
patent: 6339523 (2002-01-01), Santini
patent: 6466402 (2002-10-01), Crue et al.
patent: 6469876 (2002-10-01), Sasaki et al.
patent: 6477005 (2002-11-01), Sasaki
patent: 6504678 (2003-01-01), Kamijima
patent: 6549370 (2003-04-01), Kamijima
patent: 6553649 (2003-04-01), Santini

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