PRINTING OF 3D STRUCTURES BY LASER-INDUCED FORWARD TRANSFER

摘要

A method for material deposition includes providing a transparent donor substrate (34) having opposing first and second surfaces and a donor film (36) including a metal formed over the second surface. The donor substrate is positioned in proximity to an acceptor substrate (22), with the second surface facing toward the acceptor substrate, in an atmosphere containing oxygen. Pulses of laser radiation are directed to pass through the first surface of the donor substrate and impinge on the donor film so as to induce ejection from the donor film of droplets (44) of molten material onto the acceptor substrate, forming on the acceptor substrate particles (46) of the metal with an outer layer (54) comprising an oxide of the metal.