JPS5665335A - Medium for magnetic sheet device or the like - Google Patents

Medium for magnetic sheet device or the like

Info

Publication number
JPS5665335A
JPS5665335A JP14044779A JP14044779A JPS5665335A JP S5665335 A JPS5665335 A JP S5665335A JP 14044779 A JP14044779 A JP 14044779A JP 14044779 A JP14044779 A JP 14044779A JP S5665335 A JPS5665335 A JP S5665335A
Authority
JP
Japan
Prior art keywords
clay
smoothness
magnetic
layer
magnetic layer
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
JP14044779A
Other languages
Japanese (ja)
Other versions
JPH0315277B2 (en
Inventor
Yoshiro Nakamatsu
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP14044779A priority Critical patent/JPS5665335A/en
Publication of JPS5665335A publication Critical patent/JPS5665335A/en
Publication of JPH0315277B2 publication Critical patent/JPH0315277B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Magnetic Record Carriers (AREA)

Abstract

PURPOSE: To improve printing and magnetic characteristics by finishing a magnetic layer surface to a specific smoothness by clay-coating both sides of paper reinforced by a specific amount of fibers and then by forming a print surface on one side and a magnetic layer on the other after smoothing clay surfaces.
CONSTITUTION: With paper, a 0.2W20% filler for size stabilization, such as glass fiber and synthetic fiber, is mixed and both the surfaces of the obtained base are clay-coated and calendered to form a composite material 1. One surface of clay layer 1a is used as a print surface, and on the other surface 1a, magnetic coating layer 2 is formed. Next, magnetic layer 2 is finished by a heating pressure roller, etc., to a surface smoothness of 200W10,000sec (not a time and angle, but representation of smoothness) to obtain the total thickness of 50W700μ. Thus, the nerve of the sheet is obtained to realize clear print and excellent characteristics having neither noises nor dropouts.
COPYRIGHT: (C)1981,JPO&Japio
JP14044779A 1979-11-01 1979-11-01 Medium for magnetic sheet device or the like Granted JPS5665335A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14044779A JPS5665335A (en) 1979-11-01 1979-11-01 Medium for magnetic sheet device or the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14044779A JPS5665335A (en) 1979-11-01 1979-11-01 Medium for magnetic sheet device or the like

Publications (2)

Publication Number Publication Date
JPS5665335A true JPS5665335A (en) 1981-06-03
JPH0315277B2 JPH0315277B2 (en) 1991-02-28

Family

ID=15268832

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14044779A Granted JPS5665335A (en) 1979-11-01 1979-11-01 Medium for magnetic sheet device or the like

Country Status (1)

Country Link
JP (1) JPS5665335A (en)

Also Published As

Publication number Publication date
JPH0315277B2 (en) 1991-02-28

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