JPH01179756A - Oxide magnetic material - Google Patents

Oxide magnetic material

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Publication number
JPH01179756A
JPH01179756A JP63002401A JP240188A JPH01179756A JP H01179756 A JPH01179756 A JP H01179756A JP 63002401 A JP63002401 A JP 63002401A JP 240188 A JP240188 A JP 240188A JP H01179756 A JPH01179756 A JP H01179756A
Authority
JP
Japan
Prior art keywords
oxide
weight
magnetic material
oxide magnetic
excepting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP63002401A
Other languages
Japanese (ja)
Inventor
Atsushi Yonekura
淳 米倉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tokin Corp
Original Assignee
Tokin Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tokin Corp filed Critical Tokin Corp
Priority to JP63002401A priority Critical patent/JPH01179756A/en
Publication of JPH01179756A publication Critical patent/JPH01179756A/en
Pending legal-status Critical Current

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  • Magnetic Ceramics (AREA)
  • Soft Magnetic Materials (AREA)

Abstract

PURPOSE:To obtain the title material which is enhanced in initial magnetic permeability and improved in relative loss factor and coefficient of hysteresis loss by simultaneously adding SO3 and V2O5 of specified ratio in an oxide magnetic material incorporating MnO, ZnO and Fe2O3 as a main constituent and SiO2 and CaO as an assistant constituent. CONSTITUTION:The expected title material is obtained by simultaneously adding both 0.10-0.50wt.% SO3 and <=0.10wt.% (excepting 0%) V2O5 in an oxide magnetic material incorporating 20-30wt.% MnO, 20-25mol.% ZnO and the balance Fe2O3 as a main constituent and incorporating <=0.010wt.% (excepting 0%) SiO2 and <=0.020wt.% (excepting 0%) CaO.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は高初透磁率かつ低損失を有する通信用の変成器
磁心に使用するに適した酸化物磁性材料に関する。
DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an oxide magnetic material having high initial permeability and low loss and suitable for use in transformer cores for communications.

〔従来の技術〕[Conventional technology]

近年、酸化物磁性材料は小型化かつ高性能化がますます
要求されてきている。
In recent years, there has been an increasing demand for smaller size and higher performance of oxide magnetic materials.

〔発明を解決しようとする課題〕[Problems to be solved by the invention]

そのため、初透磁率を大きくする必要があるが。 Therefore, it is necessary to increase the initial magnetic permeability.

初透磁率を大きくすると、相対的に損失が大きくなり、
高透磁率を維持したまま損失特性を改善することは困難
である。
When the initial permeability is increased, the loss becomes relatively large,
It is difficult to improve loss characteristics while maintaining high magnetic permeability.

そこで本発明の技術的課題は、前記の緒特性を満足する
酸化物磁性材料を提供することである。
Therefore, a technical object of the present invention is to provide an oxide magnetic material that satisfies the above characteristics.

〔課題を解決するための手段〕[Means to solve the problem]

本発明によれば、20〜30モルチの酸化マンガン(M
nO) 、 20〜25モルチの酸化亜鉛、残分として
、酸化第二鉄を主成分とし、又、副成分として、0.0
10重量%以下(0%を含まず)の二酸化ケイ素(Si
O2)と0.020重量襲以下(0%を含まず)の酸化
カルシウム(CaO)を含むMn−Zn系フェライトで
ある酸化物磁性材料に、酸化イオウ(SO3)を0.1
0−0.50重量%と010重量重量下(0%を含まず
)の酸化バナジウム(V2O3)とを添加することによ
り、高透磁率かつ低損失係数を有する酸化物磁性材料を
提供するものである。
According to the invention, 20 to 30 molty manganese oxide (M
nO), 20 to 25 molti of zinc oxide, with ferric oxide as the main component and 0.0 as a minor component.
10% by weight or less (excluding 0%) of silicon dioxide (Si
0.1 sulfur oxide (SO3) is added to an oxide magnetic material which is Mn-Zn ferrite containing calcium oxide (CaO) of 0.020% by weight or less (excluding 0%).
By adding vanadium oxide (V2O3) of 0-0.50% by weight and less than 0.10% (excluding 0%), an oxide magnetic material with high magnetic permeability and low loss coefficient is provided. be.

〔実施例〕〔Example〕

以下2本発明の詳細な説明する。 Two aspects of the present invention will be described in detail below.

丑ず、主成分として52.0モル%の酸化第二鉄(Fe
203) 、 25モル%の一酸化マンガン(MnO)
及び230モル係の酸化亜鉛(ZnO)を含有し、副成
分として、0.005重量係の二酸化ケイ素(SiO2
)と0010重量饅重量化カルシウム(CaO)を含有
する従来組成のMn−Zn系フェライトに酸化イオウ(
so3) o〜060重量係、酸化バナゾウム(V2O
3)0〜015重量%それぞれ、単独あるいは複合添加
し、混合、予備焼成造粒し、成形プレスした後。
52.0 mol% of ferric oxide (Fe
203), 25 mol% manganese monoxide (MnO)
and 230 molar mass of zinc oxide (ZnO), and 0.005 molar mass of silicon dioxide (SiO2) as a subcomponent.
) and sulfur oxide (
so3) o~060 weight, vanazium oxide (V2O
3) After adding 0 to 015% by weight individually or in combination, mixing, pre-calcination and granulation, and forming and pressing.

窒素ガス雰囲気中に於て所定の酸素分圧を保ち。Maintains a specified oxygen partial pressure in a nitrogen gas atmosphere.

1350℃〜1400°Cの温度範囲で焼成した。It was fired at a temperature range of 1350°C to 1400°C.

その場合の10 kHzでの初透磁率μ。、相対損失係
数tanδ/μ、ヒステリシス損失係数hloを第1表
に示す。
Initial permeability μ at 10 kHz in that case. , relative loss coefficient tanδ/μ, and hysteresis loss coefficient hlo are shown in Table 1.

第  1  表 ※本発明の範囲外のもの 以下余日 その結果、酸化イオウ(SO3)の単独添加では。Table 1 *Things outside the scope of the present invention Remaining days below As a result, when sulfur oxide (SO3) is added alone.

0.10〜0500〜050重量%透磁率μ0の10〜
15%の向上、相対損失係数tanδ/μ及びヒステリ
シス損失系数hloの改善が認められる。
0.10-0500-050% by weight Magnetic permeability μ0 10-
An improvement of 15%, relative loss coefficient tan δ/μ, and hysteresis loss coefficient hlo are observed.

一方、酸化バナジウム(V2O3)の単独添加では。On the other hand, when vanadium oxide (V2O3) is added alone.

0.05〜0.10重量係の範囲で相対損失係数tan
δ/μ及びヒステリシス損失hloの改善は認められる
が、初透磁率が低下している。
Relative loss coefficient tan in the range of 0.05 to 0.10 weight coefficient
Improvements in δ/μ and hysteresis loss hlo are recognized, but the initial permeability is reduced.

酸化イオウ(SOs)及び酸化バナジウム(V2O3)
を同時に添加したところ、前記それぞれの単独効果が認
められる範囲内で初透磁率μ0 、相対損失係数tan
δ/μ及びヒステリシス損失hloの顕著な改善がみら
れる。
Sulfur oxides (SOs) and vanadium oxides (V2O3)
When added at the same time, the initial permeability μ0 and the relative loss coefficient tan decreased within the range where the independent effects of each of the above were recognized.
A significant improvement in δ/μ and hysteresis loss hlo is seen.

すなわち、酸化イオウ(803) 0.10〜0.50
重量係、酸化バナゾウム(V2O3) 0.05〜01
0重量%の範囲で、初透磁率μOば、酸化イオウ(SO
3)の単独添加にみられた10〜15%の向上のままで
相対損失係数tanδ/μは約1/2〜2/3に、ヒス
テリシス損失係数hloについても約1/2〜2/3に
改善された。
That is, sulfur oxide (803) 0.10-0.50
Weight, vanazium oxide (V2O3) 0.05-01
In the range of 0% by weight, the initial magnetic permeability μO, sulfur oxide (SO
While maintaining the 10-15% improvement seen in the single addition of 3), the relative loss coefficient tan δ/μ is reduced to approximately 1/2 to 2/3, and the hysteresis loss coefficient hlo is also reduced to approximately 1/2 to 2/3. Improved.

尚、酸化イオウ及び酸化バナゾウムの前記以外の添加範
囲では、初透磁率の低下、相対損失係数及びヒステリシ
ス損失係数の増大を来たすので好ましくない。
It should be noted that addition of sulfur oxide and vanadium oxide in a range other than the above is not preferable because it causes a decrease in the initial magnetic permeability and an increase in the relative loss coefficient and hysteresis loss coefficient.

〔発明の効果〕〔Effect of the invention〕

以上の説明のとおシ1本発明によれば、010〜050
重量%の酸化イオウ(SO3)と0〜010重量%(O
は含まず)の酸化バナジウムとを同時に添加することに
より、従来のMn−Zn系フェライトに関して、初透磁
率を向上させかつ相対損失係数、ヒステリシス損失係数
を大幅に改良することができる。
According to the above explanation 1, according to the present invention, 010 to 050
% by weight of sulfur oxide (SO3) and 0-010% by weight (O
By simultaneously adding vanadium oxide (excluding Mn--Zn ferrite), it is possible to improve the initial permeability and significantly improve the relative loss coefficient and hysteresis loss coefficient with respect to conventional Mn--Zn ferrite.

Claims (1)

【特許請求の範囲】[Claims] (1)主成分として,20〜30モル%の酸化マンガン
(MnO),20〜25モル%の酸化亜鉛(ZnO),
残部として酸化第二鉄(Fe_2O_3)を含み,副成
分として0.010重量%以下(0%を含まず)の二酸
化ケイ素(SiO_2)と,0.020重量%以下(0
%を含まず)の酸化カルシウム(CaO)とを含む酸化
物磁性材料において,0.10〜0.50重量%の酸化
イオウ(SO_3)と0.10重量%以下(0%を含ま
ず)の酸化バナジウム(V_2O_5)とが添加されて
いることを特徴とする酸化物磁性材料。
(1) Main components: 20-30 mol% manganese oxide (MnO), 20-25 mol% zinc oxide (ZnO),
Contains ferric oxide (Fe_2O_3) as the remainder, silicon dioxide (SiO_2) of 0.010% by weight or less (excluding 0%) as accessory components, and 0.020% by weight or less (0%) of silicon dioxide (SiO_2) as accessory components.
In an oxide magnetic material containing 0.10 to 0.50% by weight of sulfur oxide (SO_3) and 0.10% by weight or less (excluding 0%) of calcium oxide (CaO), An oxide magnetic material characterized in that vanadium oxide (V_2O_5) is added.
JP63002401A 1988-01-11 1988-01-11 Oxide magnetic material Pending JPH01179756A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63002401A JPH01179756A (en) 1988-01-11 1988-01-11 Oxide magnetic material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63002401A JPH01179756A (en) 1988-01-11 1988-01-11 Oxide magnetic material

Publications (1)

Publication Number Publication Date
JPH01179756A true JPH01179756A (en) 1989-07-17

Family

ID=11528219

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63002401A Pending JPH01179756A (en) 1988-01-11 1988-01-11 Oxide magnetic material

Country Status (1)

Country Link
JP (1) JPH01179756A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6402979B1 (en) * 1999-08-26 2002-06-11 Tdk Corporation Magnetic ferrite material and manufacture method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6402979B1 (en) * 1999-08-26 2002-06-11 Tdk Corporation Magnetic ferrite material and manufacture method thereof

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