JP2009120454A - 磁性粉の製造方法、磁性シートの製造方法及びアンテナモジュールの製造方法 - Google Patents
磁性粉の製造方法、磁性シートの製造方法及びアンテナモジュールの製造方法 Download PDFInfo
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Abstract
【解決手段】酸化物系磁性材のうち少なくとも2つが混合され(ステップ102)、仮焼きされ(ステップ103)、微粉砕される(ステップ104)。微粉砕された磁性材を、典型的には有機溶剤中に分散させてペースト状にし、脱泡処理の後、フィルム上にその磁性材が塗布される(ステップ105)。これにより、シート状の磁性材51が形成される。シート状の磁性材51は、粒子状に分割するように所定の大きさにカットされることで、磁性粒子52が形成される(ステップ106)。
【選択図】図7
Description
NiO 15〜33
ZnO 12〜28
CuOの範囲は、例えば6〜12とされ、900℃程度の比較的低温焼成が可能で、結晶粒径を小さく均一にする範囲に設定される。
NiO 21.63
ZnO 22.57
CuO 7.8
(+CoO+Sb2O3)。
15、115…アンテナコイル
18、118…磁性シート
51…シート状の磁性材
52、53…磁性粒子
54…磁性材(磁性粉)
Claims (6)
- 少なくとも2種類の酸化物系磁性材を含む磁性材をシート状に形成し、
前記シート状に形成された磁性材を粒子状に分割するようにカットすることで磁性粒子を形成し、
前記磁性粒子を焼成する磁性粉の製造方法。 - 請求項1に記載の磁性粉の製造方法であって、
前記磁性粒子の形成と、前記磁性粒子の焼成との間に、前記磁性粒子を研磨するステップをさらに具備する磁性粉の製造方法。 - 請求項2に記載の磁性粉の製造方法であって、
前記磁性粒子の研磨は、バレル研磨である磁性粉の製造方法。 - 請求項2に記載の磁性粉の製造方法であって、
前記酸化物系磁性材は、Fe2O3を含むフェライト系磁性材であって、NiO、CuO、ZnO、MnO2、CoO及びSb2O3のうち少なくとも1種類を含む磁性粉の製造方法。 - 少なくとも2種類の酸化物系磁性材を含む磁性材をシート状に形成し、
前記シート状に形成された磁性材を粒子状に分割するようにカットすることで磁性粒子を形成し、
前記磁性粒子を焼成し、
前記焼成された磁性粒子と、樹脂及びゴムのうち少なくとも一方とを混合し、
前記混合された混合物をシート状に形成する磁性シートの製造方法。 - 少なくとも2種類の酸化物系磁性材を含む磁性材をシート状に形成し、
前記シート状に形成された磁性材を粒子状に分割するようにカットすることで磁性粒子を形成し、
前記磁性粒子を焼成し、
前記焼成された磁性粒子と、樹脂及びゴムのうち少なくとも一方とを混合し、
前記混合された混合物をシート状に形成することで磁性シートを形成し、
前記磁性シートを所定の形状に加工し、
前記加工された磁性シートをアンテナコイル部に取り付けるアンテナモジュールの製造方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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JP2007298653A JP5332185B2 (ja) | 2007-11-16 | 2007-11-16 | 磁性粉の製造方法、磁性シートの製造方法及びアンテナモジュールの製造方法 |
PCT/JP2008/070431 WO2009063834A1 (ja) | 2007-11-16 | 2008-11-10 | 磁性粉の製造方法、磁性シートの製造方法及びアンテナモジュールの製造方法 |
CN2008801152413A CN101855174B (zh) | 2007-11-16 | 2008-11-10 | 磁粉制造方法、磁片制造方法及天线模块制造方法 |
US12/740,210 US8246849B2 (en) | 2007-11-16 | 2008-11-10 | Magnetic powder production method |
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JP2007298653A JP5332185B2 (ja) | 2007-11-16 | 2007-11-16 | 磁性粉の製造方法、磁性シートの製造方法及びアンテナモジュールの製造方法 |
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JP2009120454A true JP2009120454A (ja) | 2009-06-04 |
JP5332185B2 JP5332185B2 (ja) | 2013-11-06 |
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US (1) | US8246849B2 (ja) |
JP (1) | JP5332185B2 (ja) |
CN (1) | CN101855174B (ja) |
WO (1) | WO2009063834A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013060332A (ja) * | 2011-09-14 | 2013-04-04 | Fdk Corp | フェライトプレート |
JP2015164897A (ja) * | 2015-04-22 | 2015-09-17 | Fdk株式会社 | フェライトプレート |
JP2016094319A (ja) * | 2014-11-17 | 2016-05-26 | Tdk株式会社 | フェライト組成物、フェライトプレート、アンテナ素子用部材、およびアンテナ素子 |
US9595381B2 (en) | 2011-10-24 | 2017-03-14 | Lg Innotek Co., Ltd. | Shielding apparatus and wireless power transmission apparatus |
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JP5790200B2 (ja) * | 2011-06-27 | 2015-10-07 | ソニー株式会社 | 通信装置並びに通信システム |
WO2014030662A1 (ja) * | 2012-08-23 | 2014-02-27 | デクセリアルズ株式会社 | アンテナ装置及び電子機器 |
KR101823542B1 (ko) * | 2012-10-04 | 2018-01-30 | 엘지이노텍 주식회사 | 무선충전용 전자기 부스터 및 그 제조방법 |
KR102126564B1 (ko) * | 2013-11-01 | 2020-06-24 | 삼성전자주식회사 | 안테나를 포함하는 디스플레이 모듈 |
CN205039241U (zh) * | 2014-01-30 | 2016-02-17 | 株式会社村田制作所 | 无线通信装置 |
KR101762778B1 (ko) | 2014-03-04 | 2017-07-28 | 엘지이노텍 주식회사 | 무선 충전 및 통신 기판 그리고 무선 충전 및 통신 장치 |
WO2017010447A1 (ja) * | 2015-07-14 | 2017-01-19 | 戸田工業株式会社 | フェライト積層体及びノイズ抑制シート |
WO2019009062A1 (ja) * | 2017-07-07 | 2019-01-10 | 株式会社村田製作所 | 高周波電力回路モジュール |
TWI655804B (zh) * | 2017-08-03 | 2019-04-01 | 廣達電腦股份有限公司 | 通訊裝置 |
CN108892177A (zh) * | 2018-05-24 | 2018-11-27 | 华东师范大学 | 激光诱导自蔓延高温合成铜铁氧体材料的方法 |
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JPH0296302A (ja) * | 1988-10-03 | 1990-04-09 | Tdk Corp | 軟磁性六方晶フェライト焼結体の製造方法 |
JP2001210924A (ja) * | 2000-01-27 | 2001-08-03 | Tdk Corp | 複合磁性成型物、電子部品、複合磁性組成物および製造方法 |
JP2001284118A (ja) * | 2000-03-31 | 2001-10-12 | Tdk Corp | フェライト粉及びフェライト粉製造方法 |
JP2003234227A (ja) * | 2002-02-07 | 2003-08-22 | Fdk Corp | フェライト磁性コアの製造方法 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2013060332A (ja) * | 2011-09-14 | 2013-04-04 | Fdk Corp | フェライトプレート |
US9595381B2 (en) | 2011-10-24 | 2017-03-14 | Lg Innotek Co., Ltd. | Shielding apparatus and wireless power transmission apparatus |
JP2016094319A (ja) * | 2014-11-17 | 2016-05-26 | Tdk株式会社 | フェライト組成物、フェライトプレート、アンテナ素子用部材、およびアンテナ素子 |
JP2015164897A (ja) * | 2015-04-22 | 2015-09-17 | Fdk株式会社 | フェライトプレート |
Also Published As
Publication number | Publication date |
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WO2009063834A1 (ja) | 2009-05-22 |
CN101855174B (zh) | 2013-06-26 |
US8246849B2 (en) | 2012-08-21 |
US20100257725A1 (en) | 2010-10-14 |
CN101855174A (zh) | 2010-10-06 |
JP5332185B2 (ja) | 2013-11-06 |
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