JP2006179567A5 - - Google Patents
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- Publication number
- JP2006179567A5 JP2006179567A5 JP2004369173A JP2004369173A JP2006179567A5 JP 2006179567 A5 JP2006179567 A5 JP 2006179567A5 JP 2004369173 A JP2004369173 A JP 2004369173A JP 2004369173 A JP2004369173 A JP 2004369173A JP 2006179567 A5 JP2006179567 A5 JP 2006179567A5
- Authority
- JP
- Japan
- Prior art keywords
- iron nitride
- added
- powder
- mass
- concentration
- 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.)
- Granted
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- 229910001337 iron nitride Inorganic materials 0.000 description 12
- 239000000843 powder Substances 0.000 description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000003756 stirring Methods 0.000 description 4
- 239000010936 titanium Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- 235000011114 ammonium hydroxide Nutrition 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000004115 Sodium Silicate Substances 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- DCKVFVYPWDKYDN-UHFFFAOYSA-L oxygen(2-);titanium(4+);sulfate Chemical compound [O-2].[Ti+4].[O-]S([O-])(=O)=O DCKVFVYPWDKYDN-UHFFFAOYSA-L 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 229910000348 titanium sulfate Inorganic materials 0.000 description 1
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004369173A JP4734602B2 (ja) | 2004-12-21 | 2004-12-21 | 保存安定性に優れた窒化鉄系磁性粉末 |
| DE602005012223T DE602005012223D1 (de) | 2004-12-21 | 2005-11-22 | Magnetisches Eisennitridpulver mit guter Stabilität beim Lagern |
| EP05025470A EP1675135B1 (en) | 2004-12-21 | 2005-11-22 | Iron nitride system magnetic powder having good storage stability |
| CN200510137751.9A CN1792509B (zh) | 2004-12-21 | 2005-12-19 | 保存稳定性出色的氮化铁系磁性粉末 |
| US11/311,281 US7314666B2 (en) | 2004-12-21 | 2005-12-20 | Iron nitride system magnetic powder having good storage stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004369173A JP4734602B2 (ja) | 2004-12-21 | 2004-12-21 | 保存安定性に優れた窒化鉄系磁性粉末 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2006179567A JP2006179567A (ja) | 2006-07-06 |
| JP2006179567A5 true JP2006179567A5 (https=) | 2007-11-22 |
| JP4734602B2 JP4734602B2 (ja) | 2011-07-27 |
Family
ID=35809741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004369173A Expired - Fee Related JP4734602B2 (ja) | 2004-12-21 | 2004-12-21 | 保存安定性に優れた窒化鉄系磁性粉末 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7314666B2 (https=) |
| EP (1) | EP1675135B1 (https=) |
| JP (1) | JP4734602B2 (https=) |
| CN (1) | CN1792509B (https=) |
| DE (1) | DE602005012223D1 (https=) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4769130B2 (ja) * | 2006-06-14 | 2011-09-07 | Ｄｏｗａエレクトロニクス株式会社 | 窒化鉄系磁性粉末およびその製造法並びに磁気記録媒体 |
| US8535634B2 (en) * | 2007-05-04 | 2013-09-17 | Advanced Materials Corporation | Iron nitride powders for use in magnetic, electromagnetic, and microelectronic devices |
| JP6296997B2 (ja) * | 2013-02-06 | 2018-03-20 | 株式会社日清製粉グループ本社 | 磁性粒子の製造方法 |
| CN103600069A (zh) * | 2013-12-02 | 2014-02-26 | 北矿磁材科技股份有限公司 | 一种磁性金属片形粉表面的处理方法 |
| JP6461828B2 (ja) * | 2014-02-10 | 2019-01-30 | 株式会社日清製粉グループ本社 | 磁性粒子の製造方法 |
| US9994949B2 (en) | 2014-06-30 | 2018-06-12 | Regents Of The University Of Minnesota | Applied magnetic field synthesis and processing of iron nitride magnetic materials |
| JP6519419B2 (ja) * | 2015-09-10 | 2019-05-29 | Tdk株式会社 | 窒化鉄系磁性粉末及びそれを用いたボンド磁石 |
| JP7338529B2 (ja) * | 2020-03-24 | 2023-09-05 | Tdk株式会社 | 流動性付与粒子および磁性コア |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0582326A (ja) * | 1991-09-19 | 1993-04-02 | Mitsubishi Materials Corp | 軟磁性粉末の製造法 |
| SE9402497D0 (sv) * | 1994-07-18 | 1994-07-18 | Hoeganaes Ab | Iron powder components containing thermoplastic resin and methods of making same |
| US5605752A (en) * | 1994-09-28 | 1997-02-25 | Victor Company Of Japan, Ltd. | Magnetic recording medium containing magnetic powder of iron nitride |
| JP3932326B2 (ja) * | 1998-05-22 | 2007-06-20 | Ｄｏｗａエレクトロニクス株式会社 | 窒化鉄磁性材料の製法 |
| JP3848486B2 (ja) * | 1999-03-25 | 2006-11-22 | 日立マクセル株式会社 | 磁気記録媒体用窒化鉄系磁性粉末材料及びその製造方法並びに磁気記録媒体 |
| GB0117326D0 (en) | 2001-07-16 | 2001-09-05 | Univ Aberdeen | Napthoquinone-type inhibitors of protein aggregation |
| US7291409B2 (en) | 2002-03-18 | 2007-11-06 | Hitachi Maxell, Ltd. | Magnetic recording medium using magnetic powder having a core portion and an outer layer portion including a rare earth element and magnetic recording cassette |
| CN1224590C (zh) * | 2002-05-22 | 2005-10-26 | 吉林大学 | 一种复合磁性粒子的制备方法 |
| JP3864339B2 (ja) * | 2002-07-05 | 2006-12-27 | 日立マクセル株式会社 | 磁気テープ |
| JP2004076080A (ja) | 2002-08-14 | 2004-03-11 | Tosoh Corp | 配線用薄膜およびスパッタリングターゲット |
| US6964811B2 (en) * | 2002-09-20 | 2005-11-15 | Hitachi Maxell, Ltd. | Magnetic powder, method for producing the same and magnetic recording medium comprising the same |
| GB2422949B (en) * | 2003-02-19 | 2007-05-30 | Hitachi Maxell | Magnetic recording medium |
| JP4547527B2 (ja) * | 2003-05-08 | 2010-09-22 | Ｄｏｗａエレクトロニクス株式会社 | 磁性粉末およびそれを用いた磁気記録媒体並びに磁性粉末の表面処理法 |
| EP1548760A3 (en) * | 2003-11-27 | 2007-12-26 | DOWA Electronics Materials Co., Ltd. | Iron nitride magnetic powder and method of producing the powder |
| JP4734599B2 (ja) * | 2004-08-02 | 2011-07-27 | Ｄｏｗａエレクトロニクス株式会社 | 耐候性の良い窒化鉄系磁性粉末およびその製造法 |
-
2004
- 2004-12-21 JP JP2004369173A patent/JP4734602B2/ja not_active Expired - Fee Related
-
2005
- 2005-11-22 DE DE602005012223T patent/DE602005012223D1/de not_active Expired - Lifetime
- 2005-11-22 EP EP05025470A patent/EP1675135B1/en not_active Expired - Lifetime
- 2005-12-19 CN CN200510137751.9A patent/CN1792509B/zh not_active Expired - Fee Related
- 2005-12-20 US US11/311,281 patent/US7314666B2/en not_active Expired - Fee Related
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