JPS647323A - Production of magnetic recording medium - Google Patents

Production of magnetic recording medium

Info

Publication number
JPS647323A
JPS647323A JP26426187A JP26426187A JPS647323A JP S647323 A JPS647323 A JP S647323A JP 26426187 A JP26426187 A JP 26426187A JP 26426187 A JP26426187 A JP 26426187A JP S647323 A JPS647323 A JP S647323A
Authority
JP
Japan
Prior art keywords
base
layer
coated
magnetic
production
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.)
Pending
Application number
JP26426187A
Other languages
Japanese (ja)
Inventor
Tetsuro Sunaga
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.)
Konica Minolta Inc
Original Assignee
Konica Minolta Inc
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 Konica Minolta Inc filed Critical Konica Minolta Inc
Priority to JP26426187A priority Critical patent/JPS647323A/en
Publication of JPS647323A publication Critical patent/JPS647323A/en
Pending legal-status Critical Current

Links

Landscapes

  • Manufacturing Of Magnetic Record Carriers (AREA)

Abstract

PURPOSE:To improve a electromagnetic conversion characteristics and to decrease drop-outs by forming a magnetic layer on a base and forming a back coating layer on the opposite surface of the base, then coiling the base. CONSTITUTION:The film-like base 1 let off from a supply roll 10 is coated with a magnetic coating compd. 2 by a roll coater 11 and is then introduced into a dryer 12 where the base is dried by hot air 14 from nozzles 13. This film 1 with the magnetic layer is calendered by rolls 15 and thereafter the coating compd. 16 for the BC layer is coated on the base 1 by rolls 25. The coated base is introduced into a dryer 21 where the base is dried by hot air 23 from nozzles 22 to form the BC layer. The base 1 is then coiled by a roll 24. The base is thereafter slit to a prescribed width and a magnetic tape is thus obtd.
JP26426187A 1987-02-06 1987-10-20 Production of magnetic recording medium Pending JPS647323A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP26426187A JPS647323A (en) 1987-02-06 1987-10-20 Production of magnetic recording medium

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2565387 1987-02-06
JP26426187A JPS647323A (en) 1987-02-06 1987-10-20 Production of magnetic recording medium

Publications (1)

Publication Number Publication Date
JPS647323A true JPS647323A (en) 1989-01-11

Family

ID=26363296

Family Applications (1)

Application Number Title Priority Date Filing Date
JP26426187A Pending JPS647323A (en) 1987-02-06 1987-10-20 Production of magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS647323A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5856226A (en) * 1981-09-28 1983-04-02 Fuji Photo Film Co Ltd Production of magnetic recording medium
JPS60179939A (en) * 1984-02-24 1985-09-13 Matsushita Electric Ind Co Ltd Production of magnetic recording medium

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5856226A (en) * 1981-09-28 1983-04-02 Fuji Photo Film Co Ltd Production of magnetic recording medium
JPS60179939A (en) * 1984-02-24 1985-09-13 Matsushita Electric Ind Co Ltd Production of magnetic recording medium

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