| 摘要 |
To provide a process for producing a glass plate having an electric conductor pattern excellent in adhesion to the surface of the glass plate, whereby it is not required to have a screen ready for every model and adjustment to desired electric heating performance and antenna performance is easy, and a developer therefor. A developer for electronic printing, characterized in that the ratio of F<SUB>tc</SUB>/F<SUB>tp </SUB>is at least 2.5, where F<SUB>tc </SUB>is the adhesive force acting between one toner particle containing conductive fine particles and one carrier, and F<SUB>tp </SUB>is the adhesive force acting between one toner particle containing conductive fine particles and a photoconductor. A process for producing a glass plate is having an electric conductor pattern, which comprises a step of using such a developer for electronic printing and forming a pattern of a toner on a surface of a glass plate by an electronic printing system, and a step of heating the glass plate having the pattern of the toner formed on its surface, at a predetermined temperature to convert the pattern of the toner to a pattern of an electric conductor.
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