Magnetic head utilizing a CoNiFe alloy with 60-80 weight percent Fe and method for production therefor
US7267757B2 · kind B2 · utility
2Cited by
8References
8Claims
0Family size
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Key dates
| Filing date | Sep 18, 2003 |
| Grant date | Sep 11, 2007 |
| Priority date | — |
| Expiry date | Sep 18, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1186
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
At least one of lower and upper magnetic cores is composed of magnetic films each of which contains two or more elements of Co, Ni, and Fe, which are formed by electroplating in a plating bath with pH 2 or less, and which have a saturation magnetic flux density of 23,000 gauss or more.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.