Thermosensitive recording material, block copy sheet using the recording material and printing plate prepared by using the block copy sheet
AssigneeRicoh Company, Ltd.
InventorsHiroshi Gotoh, Chiaki Uematsu
Life of this patent
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Abstract
A roll-shaped thermosensitive recording material having a thermosensitive recording layer, which includes as main components an electron donating coloring agent, an electron accepting color developer and a binder resin and which is formed overlying a substrate, wherein the roll-shaped thermosensitive recording material has a variation (R) of thickness of in the lateral direction of not greater than 3 μm. Alternatively, the roll-shaped thermosensitive recording material has a difference in thickness between the left side and the right side in the lateral direction of not greater than 0.7 μm.
Claims24
A roll-shaped thermosensitive recording material comprising a roll-shaped substrate and a thermosensitive recording layer which comprises an electron donating coloring compound, an electron accepting compound and a binder resin and which is formed overlying the roll-shaped substrate, wherein the thermosensitive recording material has a variation (R) of thickness in the lateral direction of not greater than 3 μm.
A roll-shaped thermosensitive recording material comprising a roll-shaped substrate and a thermosensitive recording layer which comprises an electron donating coloring compound, an electron accepting compound and a binder resin and which is formed overlying the roll-shaped substrate, wherein the thermosensitive recording material has a difference in thickness between a left side and a right side in the lateral direction of not greater than 0.7 μm.
Dependencies are inferred from the claim text.