Patent ID: 6432517
Filing Date: 2002-08-13
Classification: B41M

Abstract:
A recording sheet which comprises a substrate and a porous layer containing alumina or an alumina hydrate formed on the substrate, wherein the substrate is made of fibers for paper and a filler, and the content of the filler in the substrate is from 10 to 60 wt % to the total weight of the substrate;wherein the orientation ratio of the fibers for paper is from 1.0 to 2.0, and the coating amount of the porous layer on the substrate is at least the minimum coating amount as obtained from the following formula (1): minimum coating amount (g/m2)=33.3Ã—{(orientation ratio of the fibers)âˆ’1}+2â€ƒâ€ƒ(1).