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US 8,524,336 B2Granted
Recording medium
AssigneeCanon Kabushiki Kaisha
InventorsIsamu Oguri, Hisao Kamo, Yasuhiro Nito, Tetsuro Noguchi, Ryo Taguri, Olivia Herlambang, Naoya Hatta
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Abstract
The invention provides a recording medium having excellent ink absorbency and capable of forming a sharp image thereon. The recording medium has a substrate, and a first layer and an outermost layer provided on the substrate in this order, wherein the first layer contains at least one of alumina and alumina hydrate, the outermost layer contains a pigment and is lower in refractive index than the first layer, and the absolute dry coating amount of the outermost layer is 0.1 g/m2 or more and 0.5 g/m2 or less.
Claims3
A recording medium, comprising:
- a substrate;
- and
- a first layer and an outermost layer provided on the substrate in this order,
- wherein the first layer comprises (a) alumina, (b) alumina hydrate, or (c) alumina and alumina hydrate,
- wherein the outermost layer comprises a pigment,
- wherein the outermost layer is lower in refractive index than the first layer,
- wherein the absolute dry coating amount of the outermost layer is 0.1 g/m2 to 0.5 g/m2, and
- wherein the pigment is gas phase process silica.
5 more elements
Dependencies are inferred from the claim text.