IT953770B - Mezzo magnetico di registrazione - Google Patents
Mezzo magnetico di registrazioneInfo
- Publication number
- IT953770B IT953770B IT23538/72A IT2353872A IT953770B IT 953770 B IT953770 B IT 953770B IT 23538/72 A IT23538/72 A IT 23538/72A IT 2353872 A IT2353872 A IT 2353872A IT 953770 B IT953770 B IT 953770B
- Authority
- IT
- Italy
- Prior art keywords
- registration media
- magnetic registration
- magnetic
- media
- registration
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F10/00—Thin magnetic films, e.g. of one-domain structure
- H01F10/06—Thin magnetic films, e.g. of one-domain structure characterised by the coupling or physical contact with connecting or interacting conductors
-
- 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
- G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
- G11B5/7368—Non-polymeric layer under the lowermost magnetic recording layer
-
- 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
- G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
- G11B5/7368—Non-polymeric layer under the lowermost magnetic recording layer
- G11B5/7371—Non-magnetic single underlayer comprising nickel
-
- 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
- G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
- G11B5/739—Magnetic recording media substrates
- G11B5/73911—Inorganic substrates
- G11B5/73913—Composites or coated substrates
-
- 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
- G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
- G11B5/739—Magnetic recording media substrates
- G11B5/73923—Organic polymer substrates
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Magnetic Record Carriers (AREA)
- Chemically Coating (AREA)
- Paints Or Removers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2739571A JPS56850B1 (it) | 1971-04-26 | 1971-04-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT953770B true IT953770B (it) | 1973-08-10 |
Family
ID=12219857
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT23538/72A IT953770B (it) | 1971-04-26 | 1972-04-26 | Mezzo magnetico di registrazione |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS56850B1 (it) |
CA (1) | CA981533A (it) |
DE (1) | DE2220544A1 (it) |
FR (1) | FR2134565B1 (it) |
GB (1) | GB1366034A (it) |
IT (1) | IT953770B (it) |
NL (1) | NL7205642A (it) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1536818A (en) * | 1976-09-14 | 1978-12-20 | Dainippon Printing Co Ltd | Magnetic sable recording structure |
JPH0610873B2 (ja) * | 1984-02-08 | 1994-02-09 | 日立マクセル株式会社 | 磁気デイスク |
US4698251A (en) * | 1985-01-22 | 1987-10-06 | Victor Company Of Japan, Limited | Magnetic recording medium and method of producing the same |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1273334A (fr) * | 1960-11-14 | 1961-10-06 | Agfa Ag | Support d'enregistrement magnétique à deux couches possédant une conductivité électrique améliorée |
US3150939A (en) * | 1961-07-17 | 1964-09-29 | Ibm | High density record carrier |
DE1521152A1 (de) * | 1965-07-16 | 1969-04-24 | Basf Ag | Metallisierung von Kunststoffoberflaechen |
FR1473728A (fr) * | 1966-04-01 | 1967-03-17 | Wolfen Filmfab Veb | Procédé et dispositif de production d'un matériau d'enregistrement magnétisable,de préférence sous forme de bande |
-
1971
- 1971-04-26 JP JP2739571A patent/JPS56850B1/ja active Pending
-
1972
- 1972-04-24 GB GB1901072A patent/GB1366034A/en not_active Expired
- 1972-04-25 CA CA140,518A patent/CA981533A/en not_active Expired
- 1972-04-26 FR FR7214925A patent/FR2134565B1/fr not_active Expired
- 1972-04-26 DE DE19722220544 patent/DE2220544A1/de active Pending
- 1972-04-26 IT IT23538/72A patent/IT953770B/it active
- 1972-04-26 NL NL7205642A patent/NL7205642A/xx not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
NL7205642A (it) | 1972-10-30 |
JPS56850B1 (it) | 1981-01-09 |
FR2134565B1 (it) | 1974-12-20 |
FR2134565A1 (it) | 1972-12-08 |
CA981533A (en) | 1976-01-13 |
DE2220544A1 (de) | 1972-11-09 |
GB1366034A (en) | 1974-09-04 |
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