JPS5758244A - Magnetic field orientation device for manufacturing vertical magnetic recording medium - Google Patents

Magnetic field orientation device for manufacturing vertical magnetic recording medium

Info

Publication number
JPS5758244A
JPS5758244A JP13213680A JP13213680A JPS5758244A JP S5758244 A JPS5758244 A JP S5758244A JP 13213680 A JP13213680 A JP 13213680A JP 13213680 A JP13213680 A JP 13213680A JP S5758244 A JPS5758244 A JP S5758244A
Authority
JP
Japan
Prior art keywords
magnetic
recording medium
magnetic field
magnetic pole
particles
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.)
Granted
Application number
JP13213680A
Other languages
Japanese (ja)
Other versions
JPS6319933B2 (en
Inventor
Minoru Hashimoto
Koki Yokoyama
Masahiro Fukazawa
Akizo Hideyama
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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.)
Filing date
Publication date
Application filed by Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP13213680A priority Critical patent/JPS5758244A/en
Publication of JPS5758244A publication Critical patent/JPS5758244A/en
Publication of JPS6319933B2 publication Critical patent/JPS6319933B2/ja
Granted legal-status Critical Current

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
    • G11B5/84—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

Abstract

PURPOSE:To obtain a titled device capable of forming a recording medium having a high orientation rate by providing an auxiliary magnetic pole and a drying means for an unhardened magnetic recording medium running in the orthogonal direction to a magnetic field. CONSTITUTION:Between magnetic pole surfaces 1a, 1b of an orientation magnet 1 on which N and S poles have been provided so as to be opposed, a nonmagnetic tape-like base body 3 on which an undried coating film layer 2 containing magnetic particles is made to pass through in the direction as indicated by an arrow 4 by running mechansims 5, 6 and 7, an easily magnetizing axis is oriented in the running orthogonal direction, and a mertical magnetic recording medium is manufactured. In said device, an auxiliary magnetic pole 8 (symbol 9 denotes a solenoid) for applying an AC magnetic field in the paralled direction with the arrow 4, and a nozzle 11 for jetting hot air are placed. Accordingly, magnetic particles P in the undried coating film layer 2, at first, turn violently in the parallel direction with the base body surface in the AC magnetic field of the auxiliary magnetic pole 8, the fluidity of a paint increases, and in this state, the magnetic particles P are oriented by the magnetic field of the main magnetic pole 1, subsequently, the paint is dried by hot air from the nozzle 11, and orientation of the particles P is fixed.
JP13213680A 1980-09-22 1980-09-22 Magnetic field orientation device for manufacturing vertical magnetic recording medium Granted JPS5758244A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13213680A JPS5758244A (en) 1980-09-22 1980-09-22 Magnetic field orientation device for manufacturing vertical magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13213680A JPS5758244A (en) 1980-09-22 1980-09-22 Magnetic field orientation device for manufacturing vertical magnetic recording medium

Publications (2)

Publication Number Publication Date
JPS5758244A true JPS5758244A (en) 1982-04-07
JPS6319933B2 JPS6319933B2 (en) 1988-04-25

Family

ID=15074205

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13213680A Granted JPS5758244A (en) 1980-09-22 1980-09-22 Magnetic field orientation device for manufacturing vertical magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS5758244A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58203631A (en) * 1982-05-20 1983-11-28 Fuji Photo Film Co Ltd Production of magnetic recording medium
JPS5968826A (en) * 1982-10-12 1984-04-18 Toshiba Corp Manufacture of vertical magnetic recording medium
JPS60138733A (en) * 1983-12-27 1985-07-23 Toshiba Corp Production of magnetic recording medium

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58203631A (en) * 1982-05-20 1983-11-28 Fuji Photo Film Co Ltd Production of magnetic recording medium
JPS5968826A (en) * 1982-10-12 1984-04-18 Toshiba Corp Manufacture of vertical magnetic recording medium
JPS60138733A (en) * 1983-12-27 1985-07-23 Toshiba Corp Production of magnetic recording medium

Also Published As

Publication number Publication date
JPS6319933B2 (en) 1988-04-25

Similar Documents

Publication Publication Date Title
US4543551A (en) Apparatus for orienting magnetic particles in recording media
JPS56119938A (en) Production of magnetic recording medium
JPS5758245A (en) Magnetic field orientation device for manufacturing vertical magnetic recording medium
JPS5758244A (en) Magnetic field orientation device for manufacturing vertical magnetic recording medium
JPS57198544A (en) Manufacture of magnetic recording medium
US3011436A (en) Methods of making printing plates
JPS5447606A (en) Production of magnetic recording media
JPS56117336A (en) Manufacture of magnetic recording medium
JPS55163633A (en) Manufacture of magnetic recording medium
JPS5758247A (en) Manufacture of vertical magnetic recording medium
JPS5247703A (en) Process for producing a recoring medium of magnetic iron oxide
JPS5555420A (en) Vertical magnetization recording device
JPS5724032A (en) Magnetic transfer recording system
JPS5758246A (en) Manufacture of vertical magnetic recording medium
JPS5758242A (en) Magnetic field orientation device for manufacturing vertical magnetic recording medium
JPS554722A (en) Magnetoresistance effect head
JPS5758241A (en) Magnetic field orientation device for manufacturing vertical magnetic recording medium
JPS57205827A (en) Manufacture of magnetic recording medium
JPS52122054A (en) Magnetic babble driving coil
JPS5693111A (en) Induction-type thin-film magnetic head
JPS55129937A (en) Production of magnetic recording medium
JPS5668934A (en) Manufacture of magnetic recording medium
JPS5256507A (en) Medium for magnetic recording and method for its production
JPS5584036A (en) Manufacture of magnetic recording medium
JPS6446227A (en) Production of magnetic recording medium