Two layer writer heater using writer as one current lead

Details Two layer writer heater using writer as one current lead Two layer writer heater using writer as one current lead

2008-07-22

2008-07-22

Wellington, Andrea (Department: 2627)

Dynamic magnetic information storage or retrieval

Head

Core

C360S125740

Reexamination Certificate

active

07403354

ABSTRACT:
A transducing device includes a writer having a pole tip region and a heater circuit. The heater circuit has a heating portion and a heater current return path. The heating portion has at least two branches positioned with respect to the writer so that current flowing through the at least two branches heat the writer. The heater current return path is electrically connected to the at least two branches of the heating portion near the pole tip region and includes an electrically conductive portion of the writer.

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