Konica Corporation

Kenichi Yoshitsuka

Keiji Ohbayashi

Yoichi Saito

An ink jet recording sheet is disclosed, comprising a support having on at least one side of the support an ink absorbing layer, wherein the surface of the ink absorbing layer side of the sheet exhibits a center-line mean roughness (Ra) of 0.4 to 2.5 &mgr;m and a ten-point mean roughness (Rz) of 5&times;Ra to 20&times;Ra when measured at a reference length of 2.5 mm and a cut-off value of 0.8 mm.

Ink jet recording sheet

An ink jet recording sheet having a support and an ink absorption layer provided on the support wherein a center line average roughness (Ra) is 0.8 to 4.0 &mgr;m, measured at a standard length of 2.5 and a cut-off value of 0.8 mm of the surface of the ink jet recording sheet on the ink absorption layer side, which is specified in JISB-0601, and a 60-degree specular gloss of the ink jet recording sheet is 10 to 30 percent, which is specified in JIS-Z8741.

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Kanagawa-ken, Japan

Kenichi Yoshitsuka