Tunneling magnetic detecting element having insulation...

Details Tunneling magnetic detecting element having insulation... Tunneling magnetic detecting element having insulation...

2011-06-14

2011-06-14

Evans, Jefferson (Department: 2627)

Dynamic magnetic information storage or retrieval

Head

Magnetoresistive reproducing head

Reexamination Certificate

active

07961442

ABSTRACT:
A tunneling magnetic detecting element includes an insulating barrier layer having a layered structure including a Ti—O sublayer and a Ta—O sublayer. The Ta concentration in the insulating barrier layer is set to be more than 0 at % but not more than about 7 at % with respect to a total of 100 at % of Ti and Ta constituting the insulating barrier layer.

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