Thermal transfer printing method

专利名称：Thermal transfer printing method发明人：Ohnishi, Masaru c/o Mitsubishi Denki

K.K.,Saito, Masayuki c/o Mitsubishi Denki K.K.

申请号：EP83302993.7申请日：19830524公开号：EP0095380B1公开日：19880921

摘要：A thermal transfer printing method uses an ink sheet (12) having solid ink layers(11) whose optical reflection density is smaller than a maximum value of the opticalreflection density of picture elements to be printed, and comprises the first step ofprinting the picture elements by moving a plain paper (4) and the ink sheet (12) in aforward direction (FW) so that the solid ink layers are transferred onto the plain paper(4), the second step of moving the plain paper (4), in a backward direction (BW) and thethird step of transferring the solid ink layers (11) in an overlapping manner onto thepicture elements printed in the first step, by moving the plain paper (4) and the ink sheet(12) again in the forward direction (FW). In the first and third steps, the solid ink layers(11) are completely transferred onto the plain paper (4). The gradation of the pictureelements is determined by the number of transfer times. Therefore, each pictureelement in the gradation can be printed in an extremely stable manner with goodreproducibility.

申请人：MITSUBISHI DENKI KABUSHIKI KAISHA

代理机构：Wright, Peter David John

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