Wax-based electrophoretic rewritable media has been studied with the expectation of good preservation characteristics. The thinning thickness condition of the rewritable media thickness is studied. The samples of dye concentration 0, 0.03, 0.07wt% against wax and weight ratio of TiO2 2.5, 5 and 10wt% are prepared with the thickness of 0.1 and 0.2mm. Displaying characteristics are estimated. Concerning the dependence of dyed side on dye concentration, Lambert-Beer equations is applied and the absorption coefficient of dye is obtained. The thinning condition of rewritable media is discussed as the reflection ratio of dyed side and white TiO2 side of the media can be realized to 10 at the condition of media thickness less than 0.1mm around dye concentration 0.1wt%.
Takeshi Hasegawa, Takayuki Sano, Yasushi Hoshino, "Influence of Dye Concentration on Display Characteristic in Wax-Base Electrophoretic Rewritable Media" in Proc. IS&T Int'l Conf. on Digital Printing Technologies and Digital Fabrication (NIP26), 2010, pp 516 - 519, https://doi.org/10.2352/ISSN.2169-4451.2010.26.1.art00037_2