B - Operations – Transporting – 41 – M
Patent
B - Operations, Transporting
41
M
42/10
B41M 5/132 (2006.01) B41M 5/52 (2006.01)
Patent
CA 2039271
An ink-jet recording medium comprises a substrate and a pigment layer. The pigment layer comprises an upper layer and lower layer. The upper layer contains as a major pigment an aluminum oxide having a specific surface area ranging from 90 m/g to 170 m/g. The lower layer contains as a major pigment an aluminum oxide having a specific surface area smaller than the aluminum oxide in the upper layer, an inorganic pigment selected from a carbonate or silicate of calcium, a carbonate or silicate of magnesium, a silicate of aluminum and hydrotalcite having a specific surface area of not more than 150 m/g, or a basic magnesium carbonate having a specific surface area of not more than 150 m/g.
Kurabayashi Yutaka
Nagamine Satoshi
Sato Hiroshi
Canon Kabushiki Kaisha
Ridout & Maybee Llp
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