| 摘要 |
A method of perforating a heat-sensitive stencil sheet is provided which can give prints of high quality having sharp images high in density and free from seep through. This method comprises ejecting a photothermal conversion material contained in a liquid together with the liquid from a liquid ejector to transfer it in the form of dots onto a heat-sensitive stencil sheet, and then exposing the heat-sensitive stencil sheet to a visible or infrared ray to perforate the heat-sensitive stencil sheet specifically at portions to which the photothermal conversion material has been transferred, the dots satisfying the relation 3R>/=D>R in which R is diameter of the dot of the photothermal conversion material transferred and recorded onto the heat-sensitive stencil sheet and D is a pitch between adjacent dots. It is preferred that the heat-sensitive stencil sheet has a liquid absorbing layer on at least one side, and the liquid containing the photothermal conversion material is ejected onto the liquid absorbing layer. The liquid absorbing layer preferably has a contact angle with the liquid of 20-150 degrees. The liquid absorbing layer can be formed by appropriately mixing a hydrophilic resin and a water-repellent compound.
|
