Title:
フェライト用粉末ならびにＭｎＺｎ系フェライトおよびその製造方法
Document Type and Number:
Japanese Patent JP7008606
Kind Code:
B2
Abstract:
To propose an MnZn ferrite powder that can express high initial permeability even in an extremely high frequency of 100 kHz.SOLUTION: The powder has an SiOcontent of 120 mass ppm or less, a P content of 10 mass ppm or less, a Cl content of 0.1 mass% or less, an Al content of more than 150 mass ppm and less than 400 mass ppm, and a Cr content of more than 150 mass ppm and 400 mass ppm or less, with the balance being FeOand unavoidable impurities.SELECTED DRAWING: Figure 1
Inventors:
Yukiko Nakamura
Toru Takeuchi
Toru Takeuchi
Application Number:
JP2018186870A
Publication Date:
January 25, 2022
Filing Date:
October 01, 2018
Export Citation:
Assignee:
JFE Chemical Co., Ltd.
International Classes:
C01G49/00; C01G49/06; H01F1/34
Domestic Patent References:
| JP62127485A | ||||
| JP2004284931A | ||||
| JP63315519A | ||||
| JP2004284833A | ||||
| JP5058721A | ||||
| JP2014123708A | ||||
| JP2016074592A |
Attorney, Agent or Firm:
Kenji Sugimura
Mitsutsugu Sugimura
Keisuke Kawahara
Mitsutsugu Sugimura
Keisuke Kawahara
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