Abstract: This application provides a plate, a method for manufacturing same, and an electronic device. The method includes: forming a resin layer on a surface of a matrix, where the matrix is formed from organic matter, and a material forming the resin layer is different from a material forming the matrix; immersing the matrix in a first solution, the first solution containing a dye; and lifting the matrix formed with the resin layer out of the solution, where a height by which the matrix is lifted out of the solution per minute is not greater than 180 mm.

Abstract: The present disclosure provides a metal article having decorative graph-text. The metal article comprises includes a metal substrate having micropores on the surface, thermal sublimation ink filled in a portion of the micropores, and a pore-sealing layer located on the surface of the metal substrate. The present disclosure also provides a preparation method for a metal article having decorative graph-text.