B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
117/24.2, 352/31
B32B 15/00 (2006.01) G11B 5/64 (2006.01) G11B 5/73 (2006.01)
Patent
CA 1269896
Abstract of the Disclosure An improved cobalt-platinum (CoPt) thin film metal alloy media for horizontal magnetic recording has a squareness greater than prior CoPt thin film metal alloy media. An underlayer of a body-centered-cubic (BCC) chromium-based alloy with a lattice cell constant greater than chromium (Cr), such as chromium-vanadium (CrV), is formed between the substrate and the CoPt magnetic layer. The underlayer also improves the magnetic properties of the media when the magnetic layer is an alloy of cobalt-platinum-chromium (CoPtCr).
532017
Hitachi Global Storage Technologies Netherlands B.v.
Saunders Raymond H.
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