Magnetic tape
First Claim
Patent Images
1. A magnetic tape comprising:
- a nonmagnetic support;
a substantially nonmagnetic layer containing nonmagnetic powder and a binder; and
a magnetic layer containing ferromagnetic powder and a binder, in this order,wherein the magnetic tape has a coefficient of temperature expansion of from 0 to 10×
10−
6/°
C. and a coefficient of humidity expansion of 0 to 7×
10−
6/% RH each in a transverse direction of the magnetic tape, and the magnetic tape has a dimensional deformation amount of from 0.01 to 0.06% in the transverse direction in case of applying a tensile stress of 1N to the magnetic tape at 60°
C. for 50 hours in a longitudinal direction of the magnetic tape.
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Abstract
A magnetic tape including: a nonmagnetic support; a substantially nonmagnetic layer containing nonmagnetic powder and a binder; and a magnetic layer containing ferromagnetic powder and a binder, in this order, wherein the magnetic tape has a coefficient of temperature expansion of from 0 to 10×10−6/° C. and a coefficient of humidity expansion of 0 to 7×10−6/% RH each in a transverse direction of the magnetic tape, and the magnetic tape has a dimensional deformation amount of from 0.01 to 0.06% in the transverse direction in case of applying a tensile stress of 1N to the magnetic tape at 60° C. for 50 hours in a longitudinal direction of the magnetic tape.
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Citations
17 Claims
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1. A magnetic tape comprising:
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a nonmagnetic support; a substantially nonmagnetic layer containing nonmagnetic powder and a binder; and a magnetic layer containing ferromagnetic powder and a binder, in this order, wherein the magnetic tape has a coefficient of temperature expansion of from 0 to 10×
10−
6/°
C. and a coefficient of humidity expansion of 0 to 7×
10−
6/% RH each in a transverse direction of the magnetic tape, and the magnetic tape has a dimensional deformation amount of from 0.01 to 0.06% in the transverse direction in case of applying a tensile stress of 1N to the magnetic tape at 60°
C. for 50 hours in a longitudinal direction of the magnetic tape. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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Specification