JPS5256902A - Production of magnetic recording medium - Google Patents

Production of magnetic recording medium

Info

Publication number
JPS5256902A
JPS5256902A JP13325275A JP13325275A JPS5256902A JP S5256902 A JPS5256902 A JP S5256902A JP 13325275 A JP13325275 A JP 13325275A JP 13325275 A JP13325275 A JP 13325275A JP S5256902 A JPS5256902 A JP S5256902A
Authority
JP
Japan
Prior art keywords
production
recording medium
magnetic recording
undercoating layer
binder
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
JP13325275A
Other languages
Japanese (ja)
Other versions
JPS5647610B2 (en
Inventor
Takayasu Hirano
Tsumoru Ohata
Yoshiaki Kugen
Shigetaka Higuchi
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP13325275A priority Critical patent/JPS5256902A/en
Publication of JPS5256902A publication Critical patent/JPS5256902A/en
Publication of JPS5647610B2 publication Critical patent/JPS5647610B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To eliminate defects such as the decrease in adhesive power and uneven coating of undercoating layer by adding insoluble organic pigments in a specific volume of organic solvent to a binder for the undercoating layer.
COPYRIGHT: (C)1977,JPO&Japio
JP13325275A 1975-11-06 1975-11-06 Production of magnetic recording medium Granted JPS5256902A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13325275A JPS5256902A (en) 1975-11-06 1975-11-06 Production of magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13325275A JPS5256902A (en) 1975-11-06 1975-11-06 Production of magnetic recording medium

Publications (2)

Publication Number Publication Date
JPS5256902A true JPS5256902A (en) 1977-05-10
JPS5647610B2 JPS5647610B2 (en) 1981-11-11

Family

ID=15100253

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13325275A Granted JPS5256902A (en) 1975-11-06 1975-11-06 Production of magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS5256902A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5683841A (en) * 1979-12-11 1981-07-08 Toray Ind Inc Base film for magnetic recording

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2892747A (en) * 1955-12-15 1959-06-30 New linear copolyesters
US3440091A (en) * 1965-04-05 1969-04-22 Eastman Kodak Co Conductive magnetic tape support

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2892747A (en) * 1955-12-15 1959-06-30 New linear copolyesters
US3440091A (en) * 1965-04-05 1969-04-22 Eastman Kodak Co Conductive magnetic tape support

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5683841A (en) * 1979-12-11 1981-07-08 Toray Ind Inc Base film for magnetic recording
JPH0226286B2 (en) * 1979-12-11 1990-06-08 Toray Industries

Also Published As

Publication number Publication date
JPS5647610B2 (en) 1981-11-11

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