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    • 1. 发明授权
    • Method for creating a scratch-off document
    • 创建划痕文档的方法
    • US08883390B1
    • 2014-11-11
    • US13866064
    • 2013-04-19
    • Dinesh TyagiMark Cameron ZaretskyRobert David Bobo
    • Dinesh TyagiMark Cameron ZaretskyRobert David Bobo
    • G03G13/22G03G13/08
    • G03G13/08A63F3/0665G03G8/00G03G15/0194G03G15/6585
    • A method for creating a scratch-off document having hidden information, the method includes providing a substrate; depositing a first layer of first toner particles on the substrate, wherein the first layer includes at least two thicknesses in which one region is thicker than the other region; depositing a second layer of toner particles on the first layer, wherein the first toner particles have a different thermal conductivity than the second toner particles; and applying heat to the first and second layers simultaneously so that the first layer adheres to the substrate in regions of the lesser thickness of the first toner particles and does not adhere in the regions of greater thickness of the first toner particles; wherein the first and second layers in the regions of greater thickness of the first toner layer can be removed thereby revealing hidden information.
    • 一种用于创建具有隐藏信息的划痕文档的方法,所述方法包括提供基板; 在基板上沉积第一层第一调色剂颗粒,其中第一层包括至少两个厚度,其中一个区域比另一个区域厚; 在第一层上沉积第二层调色剂颗粒,其中第一调色剂颗粒具有与第二调色剂颗粒不同的热导率; 以及同时向第一和第二层施加热量,使得第一层在第一调色剂颗粒的较小厚度的区域中粘附到基底,并且不粘附在第一调色剂颗粒的较大厚度的区域中; 其中可以去除第一调色剂层较厚厚度的区域中的第一层和第二层,从而露出隐藏的信息。
    • 2. 发明申请
    • METHOD FOR CREATING A SCRATCH-OFF DOCUMENT
    • 创建截止文件的方法
    • US20140315128A1
    • 2014-10-23
    • US13866064
    • 2013-04-19
    • DINESH TYAGIMark Cameron ZaretskyRobert David Bobo
    • DINESH TYAGIMark Cameron ZaretskyRobert David Bobo
    • G03G13/08
    • G03G13/08A63F3/0665G03G8/00G03G15/0194G03G15/6585
    • A method for creating a scratch-off document having hidden information, the method includes providing a substrate; depositing a first layer of first toner particles on the substrate, wherein the first layer includes at least two thicknesses in which one region is thicker than the other region; depositing a second layer of toner particles on the first layer, wherein the first toner particles have a different thermal conductivity than the second toner particles; and applying heat to the first and second layers simultaneously so that the first layer adheres to the substrate in regions of the lesser thickness of the first toner particles and does not adhere in the regions of greater thickness of the first toner particles; wherein the first and second layers in the regions of greater thickness of the first toner layer can be removed thereby revealing hidden information.
    • 一种用于创建具有隐藏信息的划痕文档的方法,所述方法包括提供基板; 在基板上沉积第一层第一调色剂颗粒,其中第一层包括至少两个厚度,其中一个区域比另一个区域厚; 在第一层上沉积第二层调色剂颗粒,其中第一调色剂颗粒具有与第二调色剂颗粒不同的热导率; 以及同时向第一和第二层施加热量,使得第一层在第一调色剂颗粒的较小厚度的区域中粘附到基底,并且不粘附在第一调色剂颗粒的较大厚度的区域中; 其中可以去除第一调色剂层较厚厚度的区域中的第一层和第二层,从而露出隐藏的信息。