CrB and CrMoB as third underlayer to refine grains

Details CrB and CrMoB as third underlayer to refine grains CrB and CrMoB as third underlayer to refine grains

2007-01-02

2007-01-02

Rickman, Holly (Department: 1773)

Stock material or miscellaneous articles

Magnetic recording component or stock

Thin film media

C427S131000

Reexamination Certificate

active

10854433

ABSTRACT:
The Hr and SNR of a magnetic recording medium are increased and the signal pulse narrowed by employing a tri-layer underlayer structure containing Cr or a Cr alloy wherein the second underlayer contains Cr and B, the first underlayer preferably contains substantially pure Cr, and the third underlayer preferably contains a ternary alloy of Cr.

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