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EP0198422A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Soft magnetic thin film

Assignee: Sony Corp
•
Filing: 1986-04-10
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Granted: —
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Expires: 2006-04-10
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Abstract

Abstract Disclosed is a soft magnetic thin film which has superior soft magnetic characteristics and high saturation magnetic flux density. The magnetic thin film is formed by physical vapour deposition process and composed of Fe, Ga, and Si with optional inclusion of Co, Ru, or Cr.

Inventors

  • 👤 Kazuhiko Hayashi
  • 👤 Masatoshi Hayakawa
  • 👤 Yoshitaka Ochiai
  • 👤 Hideki Matsuda
  • 👤 Wataru Ishikawa
  • 👤 You Iwasaki
  • 👤 Kouichi Aso

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-04 13:15
CPC Classifications
H; H01; H01F; H01F10/00; H01F10/08; H01F10/10; H01F10/12; H01F10/16; H01F10/14; H01F10/142

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 32 words
A soft magnetic thin film having a composition represented by the following formula; wherein a, b, and c each represents atomic percent of the respective elements and satisfies the following relations of
Claim 2
Dependent Claim 32 words
A soft magnetic thin film having a composition represented by the following formula; wherein a, b, and c each represents atomic percent of the respective elements and satisfies the following relations of
Claim 3
Dependent Claim 33 words
A soft magnetic thin film having a composition represented by the following formula; wherein a, b, c, and d each represents atomic percent of the respective elements and satisfies the following relations of
Claim 4
Dependent Claim 33 words
A soft magnetic thin film having a composition represented by the following formula; wherein a, b, c, and d each represents atomic percent of the respective elements and satisfies the following relations of
Claim 5
Dependent Claim 29 words
A soft magnetic thin film according to claim 1, part of Fe, Ga, or Si is replaced by Ru with an amount ranging between 0.1 and 10 atomic percent.
Claim 6
Dependent Claim 21 words
A soft magnetic thin film according to claim 2, said thin film further includes between 0.5 and 7 atomic percent Cr.

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