BE807105A - METHOD OF MANUFACTURING DISCS FOR MAGNETIC RECORDINGS WITH THIN MAGNETABLE LAYERS - Google Patents

METHOD OF MANUFACTURING DISCS FOR MAGNETIC RECORDINGS WITH THIN MAGNETABLE LAYERS

Info

Publication number: BE807105A
Authority: BE; Belgium
Prior art keywords: magnetable; layers; thin; magnetic recordings; manufacturing discs
Prior art date: 1972-11-10

Application number

BE137560A

Other languages

French (fr)

Original Assignee

Basf Ag

Priority date (The priority date 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 date listed.)

1972-11-10

Filing date

1973-11-09

Publication date

1974-05-09

1973-11-09 Application filed by Basf Ag filed Critical Basf Ag

1974-05-09 Publication of BE807105A publication Critical patent/BE807105A/en

Links

238000004519 manufacturing process Methods 0.000 title 1

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
- G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
- 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
- G11B5/708—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 addition of non-magnetic particles to the layer
- G11B5/7085—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 addition of non-magnetic particles to the layer non-magnetic abrasive particles

BE137560A 1972-11-10 1973-11-09 METHOD OF MANUFACTURING DISCS FOR MAGNETIC RECORDINGS WITH THIN MAGNETABLE LAYERS BE807105A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19722254981 DE2254981A1 (en)	1972-11-10	1972-11-10	METHOD OF MANUFACTURING MAGNETIC PLATES WITH THIN MAGNETIC LAYERS

Publications (1)

Publication Number	Publication Date
BE807105A true BE807105A (en)	1974-05-09

Family

ID=5861309

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE137560A BE807105A (en)	1972-11-10	1973-11-09	METHOD OF MANUFACTURING DISCS FOR MAGNETIC RECORDINGS WITH THIN MAGNETABLE LAYERS

Country Status (7)

Country	Link
JP (1)	JPS50803A (en)
BE (1)	BE807105A (en)
DE (1)	DE2254981A1 (en)
FR (1)	FR2206548B1 (en)
GB (1)	GB1448593A (en)
IT (1)	IT996425B (en)
NL (1)	NL7315209A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4067682A (en) *	1975-08-01	1978-01-10	Nichols Engineering & Research Corporation	Oil burner system
JPS5260308U (en) *	1975-10-28	1977-05-02
JPS5613525A (en) *	1979-07-16	1981-02-09	Tdk Corp	Magnetic recording medium
JPS5724027A (en) *	1980-07-16	1982-02-08	Tdk Corp	Magnetic recording medium
DE3407721A1 (en) *	1984-03-02	1985-09-12	Basf Ag, 6700 Ludwigshafen	MAGNETIC RECORDING CARRIERS
FR2638000B1 (en) *	1988-10-18	1990-12-14	Kodak Pathe	LARGE CAPACITY MAGNETIC MEMORY CARD AND MANUFACTURING METHOD

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1804393A1 (en) *	1968-10-22	1970-05-27	Basf Ag	Process for the production of magnetic recording media
CH506155A (en) *	1969-04-14	1971-04-15	Ibm	Magnetic data storage device

1972
- 1972-11-10 DE DE19722254981 patent/DE2254981A1/en active Pending
1973
- 1973-11-06 NL NL7315209A patent/NL7315209A/xx not_active Application Discontinuation
- 1973-11-08 FR FR7339706A patent/FR2206548B1/fr not_active Expired
- 1973-11-09 IT IT5360873A patent/IT996425B/en active
- 1973-11-09 JP JP12556873A patent/JPS50803A/ja active Pending
- 1973-11-09 BE BE137560A patent/BE807105A/en unknown
- 1973-11-09 GB GB5206373A patent/GB1448593A/en not_active Expired

Also Published As

Publication number	Publication date
NL7315209A (en)	1974-05-14
DE2254981A1 (en)	1974-06-12
FR2206548A1 (en)	1974-06-07
GB1448593A (en)	1976-09-08
FR2206548B1 (en)	1979-02-23
JPS50803A (en)	1975-01-07
IT996425B (en)	1975-12-10

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