Transfer ribbon for use with a thermal printer or with an impact printer
AssigneeNCR Corporation
InventorsShashi G. Talvalkar, Marion E. McCreight
Life of this patent
Estimating the term…
Abstract
A transfer ribbon is suitable for use with either a thermal printer or an impact printer. The transfer ribbon comprises a substrate and a transfer coating which is coated on one side of the substrate. The transfer coating contains about 20 to 60 percent magnetic pigment; about 5 to 10 percent carbon pigment; about 0.1 to 10 percent film forming material; and about 20 to 60 percent wax binder.
Claims18
A transfer ribbon suitable for use with either a thermal printer or an impact printer, said transfer ribbon comprising:
- a substrate in the range of 20 to 75 gauge thickness;
- and
- a transfer coating which is coated on one side of said substrate, said transfer coating in the range of 5 to 30 milligrams per four square inches and comprising a mixture containing as essential ingredients about 20-80 percent pigment;
- and about 20-60 percent primary amide.
A transfer ribbon suitable for use with either a thermal printer or an impact printer, said transfer ribbon comprising:
- a substrate in the range of 20 to 75 gauge thickness;
- and
- a transfer coating which is coated on one side of said substrate, said transfer coating in the range of 5 to 30 milligrams per four square inches and comprising a mixture containing as essential ingredients about 20-60 percent magnetic pigment;
- about 5-10 percent carbon pigment;
- about 0.1-10 percent binding material;
- and about 20-60 percent primary amide.
Dependencies are inferred from the claim text.