GMR enhancing seed layer for self pinned spin valves
First Claim
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1. A magnetic head, comprising:
- a seed layer structure comprising Al2O3, Ta, and NiFeCr seed layers;
an antiparallel (AP) pinned layer structure formed directly on the NiFeCr seed layer; and
a free layer positioned above the AP pinned layer structure.
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Abstract
A magnetic head includes a seed layer structure comprising Al2O3, Ta, and NiFeCr seed layers. An antiparallel (AP) pinned layer structure is formed above the NiFeCr seed layer. A free layer is positioned above the AP pinned layer structure.
29 Citations
20 Claims
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1. A magnetic head, comprising:
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a seed layer structure comprising Al2O3, Ta, and NiFeCr seed layers;
an antiparallel (AP) pinned layer structure formed directly on the NiFeCr seed layer; and
a free layer positioned above the AP pinned layer structure. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A magnetic head, comprising:
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a seed layer structure comprising Al2O3, Ta, and NiFeCr seed layers;
an antiparallel (AP) pinned layer structure formed above the NiFeCr seed layer, wherein one of the AP pinned layers is constructed of CoFe and another of the AP pinned layers is constructed of substantially pure Co, wherein the pinned layer closest to the seed layer structure includes CoFe; and
a free layer positioned above the AP pinned layer structure. - View Dependent Claims (15, 16, 17, 18)
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19. A magnetic head, comprising:
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a seed layer structure comprising Al2O3, Ta, and NiFeCr seed layers;
an antiparallel (AP) pinned layer structure formed above the NiFeCr seed layer, wherein one of the AP pinned layers is constructed of substantially pure Co and another of the AP pinned layers is constructed of substantially pure Co; and
a free layer positioned above the AP pined layer structure. - View Dependent Claims (20)
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Specification