JP2014149886A5 - - Google Patents
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- Publication number
- JP2014149886A5 JP2014149886A5 JP2013017279A JP2013017279A JP2014149886A5 JP 2014149886 A5 JP2014149886 A5 JP 2014149886A5 JP 2013017279 A JP2013017279 A JP 2013017279A JP 2013017279 A JP2013017279 A JP 2013017279A JP 2014149886 A5 JP2014149886 A5 JP 2014149886A5
- Authority
- JP
- Japan
- Prior art keywords
- mass
- parts
- ferromagnetic powder
- viewpoint
- micelle solution
- 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
Links
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 6
- 239000000693 micelle Substances 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 230000005294 ferromagnetic effect Effects 0.000 description 5
- 230000005291 magnetic effect Effects 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 4
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 description 2
- 229910000704 hexaferrum Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- SZQUEWJRBJDHSM-UHFFFAOYSA-N iron(3+);trinitrate;nonahydrate Chemical compound O.O.O.O.O.O.O.O.O.[Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O SZQUEWJRBJDHSM-UHFFFAOYSA-N 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013017279A JP5802224B2 (ja) | 2013-01-31 | 2013-01-31 | 磁気記録媒体 |
| US14/168,740 US20140212693A1 (en) | 2013-01-31 | 2014-01-30 | Magnetic recording medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013017279A JP5802224B2 (ja) | 2013-01-31 | 2013-01-31 | 磁気記録媒体 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2014149886A JP2014149886A (ja) | 2014-08-21 |
| JP2014149886A5 true JP2014149886A5 (OSRAM) | 2014-10-02 |
| JP5802224B2 JP5802224B2 (ja) | 2015-10-28 |
Family
ID=51223247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2013017279A Active JP5802224B2 (ja) | 2013-01-31 | 2013-01-31 | 磁気記録媒体 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US20140212693A1 (OSRAM) |
| JP (1) | JP5802224B2 (OSRAM) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5762453B2 (ja) * | 2012-09-28 | 2015-08-12 | 富士フイルム株式会社 | 六方晶フェライト磁性粒子の製造方法およびこれにより得られた六方晶フェライト磁性粒子、ならびにそれらの利用 |
| JP6565908B2 (ja) * | 2014-06-24 | 2019-08-28 | ソニー株式会社 | 磁気記録媒体 |
| US10255938B2 (en) | 2016-02-01 | 2019-04-09 | Maxell Holdings, Ltd. | Magnetic recording medium using ϵ-iron oxide particle magnetic powder |
| JP6189517B2 (ja) * | 2016-02-01 | 2017-08-30 | 日立マクセル株式会社 | 磁気記録媒体 |
| JP6785167B2 (ja) * | 2016-03-14 | 2020-11-18 | マクセルホールディングス株式会社 | 磁気記録媒体 |
| JP2018092691A (ja) | 2016-11-30 | 2018-06-14 | 富士フイルム株式会社 | ε−酸化鉄型強磁性粉末およびその製造方法ならびにε−酸化鉄型強磁性粉末含有組成物 |
| US10614847B2 (en) | 2016-12-28 | 2020-04-07 | Maxell Holdings, Ltd. | Magnetic recording medium |
| JP7135866B2 (ja) * | 2017-01-13 | 2022-09-13 | ソニーグループ株式会社 | 磁気記録媒体 |
| US10861487B2 (en) | 2017-06-05 | 2020-12-08 | Maxell Holdings, Ltd. | High recording density magnetic recording medium and recording/reproduction mechanism for the same |
| JP6739402B2 (ja) * | 2017-06-09 | 2020-08-12 | 富士フイルム株式会社 | 磁気記録媒体 |
| JP6739401B2 (ja) | 2017-06-09 | 2020-08-12 | 富士フイルム株式会社 | 磁気記録媒体 |
| DE112018003329T5 (de) * | 2017-06-30 | 2020-03-12 | Sony Corporation | Magnetisches aufzeichnungsmedium |
| US11138998B2 (en) | 2018-03-22 | 2021-10-05 | Fujifilm Corporation | Magnetic recording medium, magnetic recording and reproducing device and composition for magnetic recording medium including polyalkyleneimine compound |
| KR102342130B1 (ko) * | 2018-03-29 | 2021-12-21 | 고쿠리츠다이가쿠호우진 도쿄다이가쿠 | 기록 방법, 기록 장치, 재생 방법, 재생 장치 및 고속 응답 소자 |
| US11401170B2 (en) | 2018-03-29 | 2022-08-02 | Dowa Electronics Materials Co., Ltd. | Iron based oxide magnetic powder and method for producing same |
| JP6960383B2 (ja) | 2018-08-31 | 2021-11-05 | 富士フイルム株式会社 | 磁気記録媒体、磁気記録再生装置および磁気記録媒体用組成物 |
| JP7197442B2 (ja) * | 2019-08-09 | 2022-12-27 | 富士フイルム株式会社 | 磁気記録媒体、磁気記録再生装置およびε－酸化鉄粉末 |
| JP7247127B2 (ja) * | 2020-01-31 | 2023-03-28 | 富士フイルム株式会社 | 磁気テープカートリッジおよび磁気テープ装置 |
| JP7012109B2 (ja) * | 2020-03-03 | 2022-01-27 | 富士フイルム株式会社 | ε－酸化鉄型強磁性粉末含有組成物 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6010417A (ja) * | 1983-06-30 | 1985-01-19 | Konishiroku Photo Ind Co Ltd | 磁気記録媒体 |
| JP3651861B2 (ja) * | 1996-05-13 | 2005-05-25 | 富士写真フイルム株式会社 | 磁気記録媒体 |
| JP2008007469A (ja) * | 2006-06-30 | 2008-01-17 | Fujifilm Corp | 炭酸エステル及びその製造方法、並びに、磁気記録媒体 |
| JP4728916B2 (ja) * | 2006-08-31 | 2011-07-20 | 国立大学法人 東京大学 | 磁性材料 |
| WO2009123007A1 (ja) * | 2008-04-04 | 2009-10-08 | コニカミノルタホールディングス株式会社 | 磁気記録媒体の製造方法、及び磁気記録媒体 |
| JP5416188B2 (ja) * | 2011-01-17 | 2014-02-12 | 富士フイルム株式会社 | 磁気記録媒体 |
| JP5315374B2 (ja) * | 2011-03-25 | 2013-10-16 | 富士フイルム株式会社 | 磁気テープおよびその製造方法、ならびに磁気記録装置 |
-
2013
- 2013-01-31 JP JP2013017279A patent/JP5802224B2/ja active Active
-
2014
- 2014-01-30 US US14/168,740 patent/US20140212693A1/en not_active Abandoned
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