Recording medium
AssigneeCanon Kabushiki Kaisha
InventorsShigeo Toganoh, Ryuichi Arai
Life of this patent
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Abstract
A recording medium made of a substrate coated with a layer containing both a filler and a binder is characterized in that irregular shapes of filler particles appear at the surface of the coating layer.
Claims34
A recording medium for recording with ink, which comprises a substrate and an ink acceptor on said substrate, the Bekk smoothness of said ink acceptor surface being within a range from 20 to 120 seconds.
A method for recording on a material used to bear writing or printing with ink, characterized in that the recording medium comprises an ink acceptor on a substrate, the Bekk smoothness of said ink acceptor surface being within the range from 20 to 120 seconds.
The recording medium for recording with ink, which comprises a substrate and an ink acceptor on said substrate, the surface roughness of said ink acceptor, expressed in the maximum height for a reference length of 2.5 mm, as measured in accordance with JIS B-0601, is in a range from 10 to 35.mu..
A method for recording on a material used to bear writing or printing with ink, characterized in that the recording medium comprises an ink acceptor on a substrate, the surface roughness of said ink acceptor surface expressed in the maximum height for a reference length of 2.5 mm, as measured in accordance with JIS B-0601, being in the range from 10 to 35.mu..
A recording medium for recording with ink, which comprises a substrate and an ink acceptor on said substrate, the ink absorption capacity of said recording medium being at least 7.0.times.10.sup.-3 .mu.l/mm.sup.2.
A method for recording on a material used to bear writing or printing with ink, characterized in that the recording medium comprises an ink acceptor on a substrate, the ink absorption capacity of said recording medium being at least 7.0.times.10.sup.-3 .mu.l/mm.sup.2.
Dependencies are inferred from the claim text.