JP2010285310A5 - - Google Patents
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- JP2010285310A5 JP2010285310A5 JP2009139431A JP2009139431A JP2010285310A5 JP 2010285310 A5 JP2010285310 A5 JP 2010285310A5 JP 2009139431 A JP2009139431 A JP 2009139431A JP 2009139431 A JP2009139431 A JP 2009139431A JP 2010285310 A5 JP2010285310 A5 JP 2010285310A5
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上記目的を達成するために、本発明に係るフェライト組成物は、
主成分として、酸化鉄をＦｅ２Ｏ３換算で４６．０〜４９．８９モル％、酸化銅をＣｕＯ換算で２．３〜１９．０モル％、酸化亜鉛をＺｎＯ換算で１８．０〜２３．５モル％を含有し、残部が酸化ニッケルで構成され、
前記主成分に対して、副成分として、リンをＰ換算で２〜６３ｐｐｍ、酸化ジルコニウムをＺｒＯ２換算で４３〜５９８０ｐｐｍ、酸化コバルトをＣｏＯ換算で０．０５〜２重量％含有することを特徴とする。
In order to achieve the above object, the ferrite composition according to the present invention comprises:
As main components, iron oxide is 46.0 to 49.89 mol% in terms of Fe 2 O 3 , copper oxide is 2.3 to 19.0 mol% in terms of CuO, and zinc oxide is 18.0 to 23 in terms of ZnO. Containing 5 mol%, the balance being composed of nickel oxide,
It is characterized by containing 2 to 63 ppm of phosphorus in terms of P, zirconium oxide 43 to 5980 ppm in terms of ZrO 2 , and cobalt oxide 0.05 to 2 % by weight in terms of CoO with respect to the main component . To do.
あるいは、本発明に係るフェライト組成物は、
主成分として、酸化鉄をＦｅ２Ｏ３換算で４６．０〜４９．８９モル％、酸化銅をＣｕＯ換算で２．３〜１９．０モル％、酸化亜鉛をＺｎＯ換算で１８．０〜２３．５モル％、酸化マンガンをＭｎ２Ｏ３換算で０．０１〜２．１モル％を含有し、残部が酸化ニッケルで構成され、
前記主成分に対して、副成分として、リンをＰ換算で２〜６３ｐｐｍ、酸化ジルコニウムをＺｒＯ２換算で４３〜５９８０ｐｐｍ、酸化コバルトをＣｏＯ換算で０．０５〜２重量％含有することを特徴とする。
Alternatively, the ferrite composition according to the present invention is
As main components, iron oxide is 46.0 to 49.89 mol% in terms of Fe 2 O 3 , copper oxide is 2.3 to 19.0 mol% in terms of CuO, and zinc oxide is 18.0 to 23 in terms of ZnO. 0.5 mol%, manganese oxide containing 0.01 to 2.1 mol% in terms of Mn 2 O 3 , the balance being composed of nickel oxide,
It is characterized by containing 2 to 63 ppm of phosphorus in terms of P, zirconium oxide 43 to 5980 ppm in terms of ZrO 2 , and cobalt oxide 0.05 to 2 % by weight in terms of CoO with respect to the main component . To do.
リンの含有量は、主成分に対して、Ｐ換算で、２〜６３ｐｐｍ、好ましくは３〜３０ｐｐｍ、より好ましくは５〜１０ｐｐｍである。リンの含有量が少なすぎると、焼結性が低下し、その結果、電力損失が増加する傾向にある。多すぎると、電力損失が増加する傾向にある。
The phosphorus content is 2 to 63 ppm, preferably 3 to 30 ppm, more preferably 5 to 10 ppm in terms of P with respect to the main component . When there is too little content of phosphorus, sinterability will fall and as a result, it exists in the tendency for electric power loss to increase. When the amount is too large, power loss tends to increase.
酸化ジルコニウムの含有量は、主成分に対して、ＺｒＯ２換算で、４３〜５９８０ｐｐｍ、好ましくは１０８〜３２８０ｐｐｍ、より好ましくは２２０〜１５３０ｐｐｍである。酸化ジルコニウムの含有量が少なすぎると、電力損失が増加する傾向にある。多すぎると、電力損失が増加すると共に、飽和磁束密度が低下する傾向にある。
The content of zirconium oxide is 43 to 5980 ppm, preferably 108 to 3280 ppm, more preferably 220 to 1530 ppm in terms of ZrO 2 with respect to the main component . When the content of zirconium oxide is too small, power loss tends to increase. When the amount is too large, the power loss increases and the saturation magnetic flux density tends to decrease.
酸化コバルトの含有量は、主成分に対して、ＣｏＯ換算で、０．０５〜２重量％、好ましくは０．１〜１．５重量％、より好ましくは０．２〜１．０重量％である。酸化コバルトの含有量が少なすぎると、電力損失が増加する傾向にある。多すぎると、電力損失が増加すると共に、飽和磁束密度が低下する傾向にある。 The content of cobalt oxide is 0.05 to 2% by weight, preferably 0.1 to 1.5% by weight, more preferably 0.2 to 1.0% by weight in terms of CoO with respect to the main component . is there. When the content of cobalt oxide is too small, power loss tends to increase. When the amount is too large, the power loss increases and the saturation magnetic flux density tends to decrease.
Claims (5)
前記主成分に対して、副成分として、リンをＰ換算で２〜６３ｐｐｍ、酸化ジルコニウムをＺｒＯ２換算で４３〜５９８０ｐｐｍ、酸化コバルトをＣｏＯ換算で０．０５〜２重量％含有することを特徴とするフェライト組成物。 As main components, iron oxide is 46.0 to 49.89 mol% in terms of Fe 2 O 3 , copper oxide is 2.3 to 19.0 mol% in terms of CuO, and zinc oxide is 18.0 to 23 in terms of ZnO. Containing 5 mol%, the balance being composed of nickel oxide,
It is characterized by containing 2 to 63 ppm of phosphorus in terms of P, zirconium oxide 43 to 5980 ppm in terms of ZrO 2 , and cobalt oxide 0.05 to 2 % by weight in terms of CoO with respect to the main component . Ferrite composition.
前記主成分に対して、副成分として、リンをＰ換算で２〜６３ｐｐｍ、酸化ジルコニウムをＺｒＯ２換算で４３〜５９８０ｐｐｍ、酸化コバルトをＣｏＯ換算で０．０５〜２重量％含有することを特徴とするフェライト組成物。 As main components, iron oxide is 46.0 to 49.89 mol% in terms of Fe 2 O 3 , copper oxide is 2.3 to 19.0 mol% in terms of CuO, and zinc oxide is 18.0 to 23 in terms of ZnO. 0.5 mol%, manganese oxide containing 0.01 to 2.1 mol% in terms of Mn 2 O 3 , the balance being composed of nickel oxide,
It is characterized by containing 2 to 63 ppm of phosphorus in terms of P, zirconium oxide 43 to 5980 ppm in terms of ZrO 2 , and cobalt oxide 0.05 to 2 % by weight in terms of CoO with respect to the main component . Ferrite composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009139431A JP5516848B2 (en) | 2009-06-10 | 2009-06-10 | Ferrite composition, ferrite core and electronic component |
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| Application Number | Priority Date | Filing Date | Title |
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| JP2009139431A JP5516848B2 (en) | 2009-06-10 | 2009-06-10 | Ferrite composition, ferrite core and electronic component |
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| Publication Number | Publication Date |
|---|---|
| JP2010285310A JP2010285310A (en) | 2010-12-24 |
| JP2010285310A5 true JP2010285310A5 (en) | 2011-12-22 |
| JP5516848B2 JP5516848B2 (en) | 2014-06-11 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5423962B2 (en) * | 2009-11-02 | 2014-02-19 | Ｔｄｋ株式会社 | Ferrite composition, ferrite core and electronic component |
| JP4973716B2 (en) * | 2009-11-02 | 2012-07-11 | Ｔｄｋ株式会社 | Ferrite composition for antenna element, magnetic member for antenna element, and antenna element |
| JP5811817B2 (en) * | 2011-12-02 | 2015-11-11 | Tdk株式会社 | Ferrite composition, ferrite core and electronic component |
| TWI414484B (en) * | 2011-12-09 | 2013-11-11 | Ind Tech Res Inst | Ferrite magnetic materials |
| US9824802B2 (en) | 2012-10-31 | 2017-11-21 | Toda Kogyo Corp. | Ferrite sintered plate and ferrite sintered sheet |
| JP6051930B2 (en) * | 2013-01-18 | 2016-12-27 | Tdk株式会社 | Ferrite composition, ferrite core and electronic component |
| JP6322987B2 (en) * | 2013-12-10 | 2018-05-16 | Tdk株式会社 | Ferrite composition, ferrite core and electronic component |
| JP6323043B2 (en) * | 2014-02-14 | 2018-05-16 | Tdk株式会社 | Ferrite composition, ferrite core and electronic component |
| CN107098690B (en) * | 2017-05-12 | 2020-09-25 | 天长市中德电子有限公司 | Ferrite with high saturation magnetic flux density and low loss |
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| JP2552417B2 (en) * | 1992-10-01 | 1996-11-13 | 日立金属株式会社 | Ferrite core for high frequency power supply and method of manufacturing the same |
| JP2003100508A (en) * | 2001-09-25 | 2003-04-04 | Nec Tokin Corp | Low-loss oxide magnetic material |
| JP4298962B2 (en) * | 2002-04-26 | 2009-07-22 | Ｔｄｋ株式会社 | Oxide magnetic materials, ferrite cores and electronic components |
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