DE69507634T2 - Hexaferrit materiale - Google Patents
Hexaferrit materialeInfo
- Publication number
- DE69507634T2 DE69507634T2 DE69507634T DE69507634T DE69507634T2 DE 69507634 T2 DE69507634 T2 DE 69507634T2 DE 69507634 T DE69507634 T DE 69507634T DE 69507634 T DE69507634 T DE 69507634T DE 69507634 T2 DE69507634 T2 DE 69507634T2
- Authority
- DE
- Germany
- Prior art keywords
- hexaferrite material
- hexaferrite
- 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.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/706—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material
- G11B5/70626—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances
- G11B5/70642—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances iron oxides
- G11B5/70678—Ferrites
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9423788A GB9423788D0 (en) | 1994-11-25 | 1994-11-25 | Hexaferrite materials |
PCT/GB1995/002758 WO1996017343A1 (en) | 1994-11-25 | 1995-11-24 | Hexaferrite materials |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69507634D1 DE69507634D1 (de) | 1999-03-11 |
DE69507634T2 true DE69507634T2 (de) | 1999-09-16 |
Family
ID=10764953
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69507634T Expired - Fee Related DE69507634T2 (de) | 1994-11-25 | 1995-11-24 | Hexaferrit materiale |
Country Status (7)
Country | Link |
---|---|
US (1) | US5858265A (de) |
EP (1) | EP0793842B1 (de) |
AU (1) | AU3932095A (de) |
DE (1) | DE69507634T2 (de) |
ES (1) | ES2129236T3 (de) |
GB (1) | GB9423788D0 (de) |
WO (1) | WO1996017343A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7487908B1 (en) * | 1999-10-23 | 2009-02-10 | Ultracard, Inc. | Article having an embedded accessible storage member, apparatus and method for using same |
US8597533B2 (en) | 2008-10-02 | 2013-12-03 | Snu R&Db Foundation | Multiferroic material and method of manufacturing the same |
KR101537037B1 (ko) * | 2008-10-02 | 2015-07-15 | 재단법인서울대학교산학협력재단 | 다강체 물질 및 그 제조 방법 |
JP5623301B2 (ja) * | 2010-01-21 | 2014-11-12 | 富士フイルム株式会社 | 磁性粒子およびその製造方法、ならびに磁気記録媒体 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3502584A (en) * | 1966-03-31 | 1970-03-24 | Peter A Denes | Magnetic composite materials |
JPS57197808A (en) * | 1981-05-29 | 1982-12-04 | Hitachi Metals Ltd | Manufacture of oxide permanent magnet |
JPS5972104A (ja) * | 1982-10-19 | 1984-04-24 | Toshiba Corp | 磁性体粉末 |
JPS6185622A (ja) * | 1984-10-01 | 1986-05-01 | Victor Co Of Japan Ltd | 磁気記録媒体 |
JP2607459B2 (ja) * | 1984-12-26 | 1997-05-07 | 株式会社東芝 | 磁気記録用六方晶フエライト磁性粉及びその製造方法 |
JP2659957B2 (ja) * | 1987-07-03 | 1997-09-30 | 日立マクセル株式会社 | 磁性粉とその製法およびその磁性粉を用いた磁気記録媒体 |
EP0503639B1 (de) * | 1991-03-15 | 1995-03-08 | Sony Corporation | Polykristalline Ferrite |
-
1994
- 1994-11-25 GB GB9423788A patent/GB9423788D0/en active Pending
-
1995
- 1995-11-24 AU AU39320/95A patent/AU3932095A/en not_active Abandoned
- 1995-11-24 DE DE69507634T patent/DE69507634T2/de not_active Expired - Fee Related
- 1995-11-24 WO PCT/GB1995/002758 patent/WO1996017343A1/en active IP Right Grant
- 1995-11-24 EP EP95937116A patent/EP0793842B1/de not_active Expired - Lifetime
- 1995-11-24 US US08/836,993 patent/US5858265A/en not_active Expired - Fee Related
- 1995-11-24 ES ES95937116T patent/ES2129236T3/es not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
WO1996017343A1 (en) | 1996-06-06 |
US5858265A (en) | 1999-01-12 |
AU3932095A (en) | 1996-06-19 |
EP0793842A1 (de) | 1997-09-10 |
GB9423788D0 (en) | 1995-01-11 |
ES2129236T3 (es) | 1999-06-01 |
DE69507634D1 (de) | 1999-03-11 |
EP0793842B1 (de) | 1999-01-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |