AR199569A1 - Un medio magnetico de registro, mejorado - Google Patents
Un medio magnetico de registro, mejoradoInfo
- Publication number
- AR199569A1 AR199569A1 AR248139A AR24813973A AR199569A1 AR 199569 A1 AR199569 A1 AR 199569A1 AR 248139 A AR248139 A AR 248139A AR 24813973 A AR24813973 A AR 24813973A AR 199569 A1 AR199569 A1 AR 199569A1
- Authority
- AR
- Argentina
- Prior art keywords
- improved
- magnetic recording
- recording media
- media
- magnetic
- Prior art date
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
- G11B5/70605—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 metals or alloys
- G11B5/70615—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 metals or alloys containing Fe metal or alloys
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
- Hard Magnetic Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US255262A US3865627A (en) | 1972-05-22 | 1972-05-22 | Magnetic recording medium incorporating fine acicular iron-based particles |
Publications (1)
Publication Number | Publication Date |
---|---|
AR199569A1 true AR199569A1 (es) | 1974-09-13 |
Family
ID=22967549
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AR248139A AR199569A1 (es) | 1972-05-22 | 1973-05-21 | Un medio magnetico de registro, mejorado |
Country Status (14)
Country | Link |
---|---|
US (1) | US3865627A (zh) |
JP (1) | JPS5928964B2 (zh) |
AR (1) | AR199569A1 (zh) |
AT (1) | AT355825B (zh) |
AU (1) | AU450059B2 (zh) |
BR (1) | BR7303736D0 (zh) |
CA (1) | CA999491A (zh) |
DE (1) | DE2326258C2 (zh) |
FR (1) | FR2185827B1 (zh) |
GB (1) | GB1430675A (zh) |
IT (1) | IT985108B (zh) |
NL (1) | NL165595B (zh) |
PH (1) | PH10737A (zh) |
SE (1) | SE389576B (zh) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59962B2 (ja) * | 1973-08-15 | 1984-01-10 | 富士写真フイルム株式会社 | ジキキロクバイタイヨウフンマツジセイザイリヨウ オヨビ セイゾウホウホウ |
JPS5950722B2 (ja) * | 1975-12-08 | 1984-12-10 | ティーディーケイ株式会社 | キヨウジセイキンゾクアルイハゴウキンリユウシノトクセイレツカボウシホウホウ |
US4207092A (en) * | 1977-03-03 | 1980-06-10 | E. I. Du Pont De Nemours And Company | Acicular α-iron particles, their preparation and recording media employing same |
DE2743298A1 (de) * | 1977-09-27 | 1979-04-05 | Basf Ag | Ferromagnetische, im wesentlichen aus eisen bestehende metallteilchen und verfahren zu deren herstellung |
US4273807A (en) * | 1979-03-19 | 1981-06-16 | E. I. Du Pont De Nemours And Company | Acicular α-iron particles and recording media employing same |
DE3026696A1 (de) * | 1980-07-15 | 1982-02-18 | Basf Ag, 6700 Ludwigshafen | Ferromagnetische, im wesentlichen aus eisen bestehende metallteilchen mit einem oberflaechenueberzug, verfahren zu deren herstellung sowie ihre verwendung zur herstellung von magnetischen aufzeichnungstraegern |
JPS57154618A (en) * | 1981-03-19 | 1982-09-24 | Sony Corp | Magnetic recording medium |
JPS5853022A (ja) | 1981-09-24 | 1983-03-29 | Hitachi Maxell Ltd | 磁気記録媒体 |
US4388367A (en) * | 1981-09-28 | 1983-06-14 | Xerox Corporation | Perpendicular magnetic recording medium and fabrication |
JPS58119609A (ja) * | 1982-01-11 | 1983-07-16 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
JPS58122623A (ja) * | 1982-01-14 | 1983-07-21 | Sony Corp | 円盤状磁気記録媒体 |
JPS595423A (ja) * | 1982-07-01 | 1984-01-12 | Sony Corp | 磁気記録媒体 |
JPS5979432A (ja) * | 1982-10-29 | 1984-05-08 | Konishiroku Photo Ind Co Ltd | 磁気記録媒体 |
JPS5979431A (ja) * | 1982-10-29 | 1984-05-08 | Konishiroku Photo Ind Co Ltd | 磁気記録媒体 |
US4595640A (en) * | 1983-12-27 | 1986-06-17 | Minnesota Mining And Manufacturing Company | Lubricant system for magnetic recording media containing isomeric acids or alcohols |
JPS60184576A (ja) * | 1984-03-01 | 1985-09-20 | Daikin Ind Ltd | 磁性塗料組成物 |
US5069216A (en) * | 1986-07-03 | 1991-12-03 | Advanced Magnetics Inc. | Silanized biodegradable super paramagnetic metal oxides as contrast agents for imaging the gastrointestinal tract |
US5219554A (en) * | 1986-07-03 | 1993-06-15 | Advanced Magnetics, Inc. | Hydrated biodegradable superparamagnetic metal oxides |
JPS6379232A (ja) * | 1986-09-22 | 1988-04-09 | Victor Co Of Japan Ltd | 磁気記録媒体 |
US5106437A (en) * | 1987-11-25 | 1992-04-21 | Minnesota Mining And Manufacturing Company | Electromagnetic radiation suppression cover |
US5085931A (en) * | 1989-01-26 | 1992-02-04 | Minnesota Mining And Manufacturing Company | Microwave absorber employing acicular magnetic metallic filaments |
DE68918836T2 (de) * | 1989-01-27 | 1995-02-23 | Toda Kogyo Corp | Nadelförmige magnetische Teilchen aus einer Eisenlegierung für magnetische Aufzeichnung und Verfahren zu ihrer Herstellung. |
US5238483A (en) * | 1989-01-27 | 1993-08-24 | Toda Kogyo Corporation | Acicular magnetic iron based alloy particles for magnetic recording and method of producing the same |
US5275880A (en) * | 1989-05-17 | 1994-01-04 | Minnesota Mining And Manufacturing Company | Microwave absorber for direct surface application |
US5238975A (en) * | 1989-10-18 | 1993-08-24 | Minnesota Mining And Manufacturing Company | Microwave radiation absorbing adhesive |
US5189078A (en) * | 1989-10-18 | 1993-02-23 | Minnesota Mining And Manufacturing Company | Microwave radiation absorbing adhesive |
JP2005228369A (ja) * | 2004-01-14 | 2005-08-25 | Fuji Photo Film Co Ltd | 磁気記録媒体の製造方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3206338A (en) * | 1963-05-10 | 1965-09-14 | Du Pont | Non-pyrophoric, ferromagnetic acicular particles and their preparation |
JPS5515771B1 (zh) * | 1967-01-12 | 1980-04-25 | ||
FR1580714A (zh) * | 1967-09-18 | 1969-09-05 | ||
JPS4839120B1 (zh) * | 1968-06-11 | 1973-11-21 | ||
US3567525A (en) * | 1968-06-25 | 1971-03-02 | Du Pont | Heat treated ferromagnetic particles |
US3632512A (en) * | 1969-02-17 | 1972-01-04 | Eastman Kodak Co | Method of preparing magnetically responsive carrier particles |
US3535104A (en) * | 1969-05-23 | 1970-10-20 | Du Pont | Ferromagnetic particles containing chromium |
-
1972
- 1972-05-22 US US255262A patent/US3865627A/en not_active Expired - Lifetime
-
1973
- 1973-04-11 SE SE7305101A patent/SE389576B/xx unknown
- 1973-04-27 CA CA169,728A patent/CA999491A/en not_active Expired
- 1973-05-11 NL NL7306605.A patent/NL165595B/xx unknown
- 1973-05-21 BR BR3736/73A patent/BR7303736D0/pt unknown
- 1973-05-21 IT IT50092/73A patent/IT985108B/it active
- 1973-05-21 AR AR248139A patent/AR199569A1/es active
- 1973-05-21 FR FR7318307A patent/FR2185827B1/fr not_active Expired
- 1973-05-21 AT AT440573A patent/AT355825B/de not_active IP Right Cessation
- 1973-05-21 PH PH14632A patent/PH10737A/en unknown
- 1973-05-21 AU AU55944/73A patent/AU450059B2/en not_active Expired
- 1973-05-21 JP JP48056672A patent/JPS5928964B2/ja not_active Expired
- 1973-05-21 DE DE2326258A patent/DE2326258C2/de not_active Expired
- 1973-05-21 GB GB2422773A patent/GB1430675A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1430675A (en) | 1976-03-31 |
DE2326258A1 (de) | 1973-12-13 |
AT355825B (de) | 1980-03-25 |
FR2185827A1 (zh) | 1974-01-04 |
CA999491A (en) | 1976-11-09 |
ATA440573A (de) | 1979-08-15 |
AU450059B2 (en) | 1974-06-27 |
PH10737A (en) | 1977-08-31 |
JPS4943604A (zh) | 1974-04-24 |
FR2185827B1 (zh) | 1977-09-02 |
SE389576B (sv) | 1976-11-08 |
BR7303736D0 (pt) | 1974-07-25 |
JPS5928964B2 (ja) | 1984-07-17 |
DE2326258C2 (de) | 1982-08-26 |
NL165595B (nl) | 1980-11-17 |
AU5594473A (en) | 1974-06-27 |
US3865627A (en) | 1975-02-11 |
IT985108B (it) | 1974-11-30 |
NL7306605A (zh) | 1973-11-26 |
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