US 11,787,108 B2
Three-dimensional printing
Krzysztof Nauka, Palo Alto, CA (US); and Christopher Paul Schodin, San Diego, CA (US)
Assigned to Hewlett-Packard Development Company, L.P., Spring, TX (US)
Appl. No. 17/418,414
Filed by HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P., Spring, TX (US)
PCT Filed Jan. 9, 2019, PCT No. PCT/US2019/013077
§ 371(c)(1), (2) Date Jun. 25, 2021,
PCT Pub. No. WO2020/145980, PCT Pub. Date Jul. 16, 2020.
Prior Publication US 2022/0055295 A1, Feb. 24, 2022
Int. Cl. B29C 64/165 (2017.01); B33Y 10/00 (2015.01); B29C 64/282 (2017.01); B29C 64/209 (2017.01); B29C 64/273 (2017.01); B33Y 70/10 (2020.01)
CPC B29C 64/165 (2017.08) [B29C 64/209 (2017.08); B29C 64/273 (2017.08); B29C 64/282 (2017.08); B33Y 10/00 (2014.12); B33Y 70/10 (2020.01)] 6 Claims
OG exemplary drawing
 
1. A method for three-dimensional (3D) printing, comprising:
spraying one or more dispersions to form a layer including build material particles and a liquid agent;
evaporating the liquid agent from the layer to form a build material layer;
based on a 3D object model, selectively applying a masking agent on at least a portion of the build material layer; and
exposing the build material layer to radiated energy;
wherein the build material particles are selected from the group consisting of metal, ceramic, a mixture of two or more metals, a mixture of a metal and a ceramic, and combinations thereof;
and wherein the build material particles have a D50 particle size distribution value ranging from about 15 μm to about 100 μm.