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Patent Searching and Data


Title:
MAGNETIC RECORDING MEDIUM
Document Type and Number:
Japanese Patent JPS5930241
Kind Code:
A
Abstract:

PURPOSE: To obtain a magnetic recording medium having superior wear resistance, durability, etc. as well as superior video S/N and video sensitivity by forming a resin layer contg. TiO and a lubricant on one side of a support opposite to a magnetic layer.

CONSTITUTION: A layer contg. TiO powder havin 0.01W1μm average grain size by about 50W200wt% of the amount of a binder resin and a lubricant such as liq. paraffin, microwax or polyethylene wax or a fatty acid lubricant, fatty acid amide lubricant or silicone lubricant by about 5W30wt% of the amount of the binder resin is formed on one side of a support opposite to a magntic layer. Thus, a tape having superior electromagnetic conversion characteristics, antistatic properties and durability is obtd. The tape causes hardly an output change, drop-out, etc. and is especially suitable for use as a videotape.


Inventors:
MATSUMURA KAZUHIKO
Application Number:
JP13788882A
Publication Date:
February 17, 1984
Filing Date:
August 10, 1982
Export Citation:
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Assignee:
VICTOR COMPANY OF JAPAN
International Classes:
G11B5/708; C09D127/04; C09D175/04; C09D191/06; C10M105/02; C10M105/68; C10M107/50; C10M109/00; G11B5/73; G11B5/735; C10N40/18; (IPC1-7): G11B5/70
Attorney, Agent or Firm:
Katsumi Utaka