首页>
外国专利>
For example it is the film condition like the copying film or the lamination film, or or the method of forming the polychromatic picture in the plastic object, and that kind of plastic object which have that kind of film
For example it is the film condition like the copying film or the lamination film, or or the method of forming the polychromatic picture in the plastic object, and that kind of plastic object which have that kind of film
A plastic article consists of foil, e.g. transfer foil, hot embossing foil, or laminating foil or is provided with a foil and includes a colorant mixture of not less than 3 different components, each of which is a pigment or other colorant and can be bleached with a laser under conditions specific for the component. Each of the 3 components cannot be (substantially) bleached under the specific laser conditions for the other components. An Independent claim is also included for the production of a multicolored image on or in the article by bleaching a point with laser radiation in stages under conditions specific for (1) only one of the 3 components and (2) only one of the other components.
展开▼
