EP0192161A2
Expired / Lapsed
EP
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Amorphous soft magnetic thin film
Assignee: Sony Corp
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Filing: 1986-02-10
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Granted: —
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Expires: 2006-02-10
Abstract
Abstract An improved alloy used in the form of an amorphous soft magnetic thin film having a desirable combination of saturation magnetic flux density and saturation magnetostriction constant, the alloy having the compositional formula: wherein:
Inventors
- 👤 Hiroshi Takino
- 👤 Kiyonori Hayakawa
- 👤 Kazuko Kawabata
- 👤 Makoto Tsuruoka
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-04 22:42
CPC Classifications
H; H01; H01F; H01F1/00; H01F1/01; H01F1/03; H01F1/12; H01F1/14; H01F1/147; H01F1/153; H01F1/15316; H01F10/00; H01F10/08; H01F10/10; H01F10/12; H01F10/13; H01F10/132; H01F10/26; H01F10/265; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12431
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
14 words
An alloy composition having the compositional formula Co x Zr y Pa z wherein:
Claim 2
Dependent Claim
14 words
An alloy composition having the compositional formula Co x Zr y Pa z wherein:
Claim 3
Dependent Claim
13 words
An amorphous soft magnetic thin film composed of the alloy of Claim 1.
Claim 4
Dependent Claim
20 words
A thin film according to claim 2 having a saturation magnetic flux density B s of at least 15000 Gauss.
Claim 5
Dependent Claim
23 words
A thin film according to claim 2 having a saturation magnetostriction constant λ s not in excess of +1.0 x 10- 6 .
Claim 6
Dependent Claim
36 words
A thin film according to claim 2 having a saturation magnetic flux density B s of at least 15000 Gauss and a saturation magnetostriction constant λ s not in excess of +1.0 x 10 -6 .
Claim 7
Dependent Claim
44 words
A thin film magnetic head coTprising a multilayer structure of soft magnetic films and thin conductive films separated by insulating layers, said soft magnetic films being composed of an amorphous soft magnetic material having the compositional formula Co x Zr y Pd z wherein:
Claim 8
Dependent Claim
44 words
A thin film magnetic head coTprising a multilayer structure of soft magnetic films and thin conductive films separated by insulating layers, said soft magnetic films being composed of an amorphous soft magnetic material having the compositional formula Co x Zr y Pd z wherein:
References Cited (Backward Citations)
No citation records indexed.
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