CA988787A - Process and apparatus for the production of magnetic recording media - Google Patents

Process and apparatus for the production of magnetic recording media

Info

Publication number: CA988787A
Authority: CA; Canada
Prior art keywords: production; magnetic recording; recording media; media; magnetic
Prior art date: 1971-12-09
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

Application number

CA159,037A

Other versions

CA159037S (en

Inventor

Hans-Juergen Michel

Karl Uhl

Hans Seiberth

Gustav Loewenberg

Dieter Reimer

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

BASF SE

Original Assignee

Badische Anilin and Sodafabrik 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.)

1971-12-09

Filing date

1972-12-11

Publication date

1976-05-11

1972-12-11 Application filed by Badische Anilin and Sodafabrik AG filed Critical Badische Anilin and Sodafabrik AG

1976-05-11 Application granted granted Critical

1976-05-11 Publication of CA988787A publication Critical patent/CA988787A/en

Status Expired legal-status Critical Current

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
- G11B5/842—Coating a support with a liquid magnetic dispersion
- G11B5/845—Coating a support with a liquid magnetic dispersion in a magnetic field

Landscapes

Chemical & Material Sciences (AREA)
Dispersion Chemistry (AREA)
Manufacturing Of Magnetic Record Carriers (AREA)
Hard Magnetic Materials (AREA)

CA159,037A 1971-12-09 1972-12-11 Process and apparatus for the production of magnetic recording media Expired CA988787A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19712161083 DE2161083A1 (en)	1971-12-09	1971-12-09	METHOD AND DEVICE FOR PRODUCING TAPE-SHAPED MAGNETOGRAM CARRIERS

Publications (1)

Publication Number	Publication Date
CA988787A true CA988787A (en)	1976-05-11

Family

ID=5827499

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA159,037A Expired CA988787A (en)	1971-12-09	1972-12-11	Process and apparatus for the production of magnetic recording media

Country Status (9)

Country	Link
JP (1)	JPS4866402A (en)
BR (1)	BR7208674D0 (en)
CA (1)	CA988787A (en)
DE (1)	DE2161083A1 (en)
FR (1)	FR2162608A1 (en)
GB (1)	GB1416200A (en)
IT (1)	IT973973B (en)
NL (1)	NL7216641A (en)
PL (1)	PL79152B1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS52141612A (en) *	1976-05-20	1977-11-26	Hitachi Maxell	Method of producing magnetic recording media
JPS5410205U (en) *	1977-06-24	1979-01-23
DE2741341B2 (en) *	1977-09-14	1980-02-14	Basf Ag, 6700 Ludwigshafen	Process for the production of magnetic recording media
JPS56117336A (en) *	1980-02-19	1981-09-14	Sony Corp	Manufacture of magnetic recording medium
JPS56119938A (en) *	1980-02-22	1981-09-19	Sony Corp	Production of magnetic recording medium
DE3010873A1 (en) *	1980-03-21	1981-10-01	Basf Ag, 6700 Ludwigshafen	MAGNETIZING DEVICE FOR GENERATING A MAGNETIC PREFERRED DIRECTION IN MAGNETIC RECORDING CARRIERS
JPS57113657U (en) *	1980-12-29	1982-07-14
EP0094452A3 (en) *	1982-05-19	1986-01-02	International Business Machines Corporation	Production of magnetic recording medium with vertically oriented acicular particles
US4678682A (en) *	1982-05-20	1987-07-07	Fuji Photo Film Co., Ltd.	Process for producing magnetic recording medium
JPH06103530B2 (en) *	1982-05-20	1994-12-14	富士写真フイルム株式会社	Manufacturing method of magnetic recording medium
DE3308052A1 (en) *	1983-03-08	1984-09-13	Agfa-Gevaert Ag, 5090 Leverkusen	METHOD FOR PRODUCING A MAGNETIC RECORDING MATERIAL WITH VERTICAL ALIGNMENT
JPH0656656B2 (en) *	1983-10-03	1994-07-27	富士写真フイルム株式会社	Method of manufacturing magnetic recording medium
JPS60103519A (en) *	1983-11-10	1985-06-07	Berumateitsuku:Kk	Smoothing method at manufacture of magnetic recording medium
JPS60129700A (en) *	1983-12-16	1985-07-10	日新ハイボルテ−ジ株式会社	Electron ray projector
JPS61187125A (en) *	1985-02-14	1986-08-20	Hitachi Ltd	Method for orientating magnetic field of magnetic disk
JPS6292132A (en) *	1985-10-18	1987-04-27	Fuji Photo Film Co Ltd	Manufacture of magnetic recording medium

1971
- 1971-12-09 DE DE19712161083 patent/DE2161083A1/en active Pending
1972
- 1972-12-07 JP JP47122102A patent/JPS4866402A/ja active Pending
- 1972-12-07 IT IT5458172A patent/IT973973B/en active
- 1972-12-07 PL PL15936372A patent/PL79152B1/pl unknown
- 1972-12-07 NL NL7216641A patent/NL7216641A/xx unknown
- 1972-12-08 FR FR7243809A patent/FR2162608A1/fr not_active Withdrawn
- 1972-12-08 BR BR867472A patent/BR7208674D0/en unknown
- 1972-12-08 GB GB5664072A patent/GB1416200A/en not_active Expired
- 1972-12-11 CA CA159,037A patent/CA988787A/en not_active Expired

Also Published As

Publication number	Publication date
NL7216641A (en)	1973-06-13
PL79152B1 (en)	1975-06-30
FR2162608A1 (en)	1973-07-20
DE2161083A1 (en)	1973-06-14
JPS4866402A (en)	1973-09-12
IT973973B (en)	1974-06-10
GB1416200A (en)	1975-12-03
BR7208674D0 (en)	1973-09-27

Similar Documents

Publication	Publication Date	Title
CA976432A (en)	1975-10-21	Magnetic recording material and method for its production
CA988787A (en)	1976-05-11	Process and apparatus for the production of magnetic recording media
CA957769A (en)	1974-11-12	Magnetic recording and/or reproducing apparatus
CA982171A (en)	1976-01-20	Magnetic recording and reproducing apparatus
CA1004349A (en)	1977-01-25	Magnetic recording and/or reproducing apparatus
CA1010566A (en)	1977-05-17	Magnetic recording and/or reproducing apparatus
CA978860A (en)	1975-12-02	Apparatus for recording and reproducing quadruphonic sound
CA962139A (en)	1975-02-04	Magnetic recording media and a process for their production
CA963973A (en)	1975-03-04	Magnetic recording and reproducing apparatus
CA950879A (en)	1974-07-09	Magnetic recording and reproducing apparatus
CA994471A (en)	1976-08-03	Magnetic recording and/or reproducing apparatus
CA980639A (en)	1975-12-30	Process and apparatus for the production of the magnetic layers of magnetic disks
CA976939A (en)	1975-10-28	Magnetic recording and reproducing apparatus
CA993102A (en)	1976-07-13	Magnetic recording and reproducing apparatus
CA970746A (en)	1975-07-08	Magnetic recording and reproducing apparatus
CA975731A (en)	1975-10-07	Magnetic recording and reproducing apparatus
CA992201A (en)	1976-06-29	Magnetic recording and/or reproducing apparatus
CA1014651A (en)	1977-07-26	Magnetic recording and/or reproducing apparatus
CA968717A (en)	1975-06-03	Apparatus for recording and reproducing signals
CA969433A (en)	1975-06-17	Magnetic recording media
CA982419A (en)	1976-01-27	Production of rigid magnetic recording media
CA983162A (en)	1976-02-03	Apparatus and process for replicating magnetic recordings
CA967487A (en)	1975-05-13	Magnetic record apparatus
CA881449A (en)	1971-09-21	Production of magnetic recording media
CA875056A (en)	1971-07-06	Method and apparatus for manufacturing tumbling media