Magnetic head manufacturing method forming sensor side wall film by over-etching magnetic shield
US-9196268-B2 · Nov 24, 2015 · US
Magnetoresistive magnetic head with magnetoresistive film including a metal layer and a Heusler alloy layer, and magnetic recording and reproducing apparatus
US8970993B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8970993-B2 |
| Application number | US-201414165023-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jan 27, 2014 |
| Priority date | Jan 30, 2013 |
| Publication date | Mar 3, 2015 |
| Grant date | Mar 3, 2015 |
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Abstract
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A magnetic head according to an embodiment includes a first magnetic shield and a second magnetic shield that are opposed to each other, and a magnetoresistive film arranged between the first magnetic shield and the second magnetic shield, and including a first magnetic layer including a first metal layer that contains 90 at. % or more of Fe and a first Heusler alloy layer, a second magnetic layer arranged on a side of the first Heusler alloy layer opposite from the first magnetic layer, and an intermediate layer arranged between the first Heusler alloy layer and the second magnetic layer.
First claim
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The invention claimed is: 1. A magnetic head comprising: a first magnetic shield and a second magnetic shield that are opposed to each other; and a magnetoresistive film arranged between the first magnetic shield and the second magnetic shield, and comprising a first magnetic layer including a first metal layer that contains 90 at. % or more of Fe and a first Heusler alloy layer, a second magnetic layer arranged on a side of the first Heusler alloy layer opposite from the first…
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- G11B5/3912Primary
Physics · mapped topic
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- What does patent US8970993B2 cover?
- A magnetic head according to an embodiment includes a first magnetic shield and a second magnetic shield that are opposed to each other, and a magnetoresistive film arranged between the first magnetic shield and the second magnetic shield, and including a first magnetic layer including a first metal layer that contains 90 at. % or more of Fe and a first Heusler alloy layer, a second magnetic la…
- Who is the assignee on this patent?
- Toshiba Kk
- What technology area does this patent fall under?
- Primary CPC classification G11B5/3912. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Mar 03 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).