US 12,226,831 B2
Direct printing and writing using undercooled metallic core-shell particles
Martin Thuo, Ames, IA (US); Christophe Frankiewicz, Boone, IA (US); and Ian Tevis, Ames, IA (US)
Assigned to Iowa State University Research Foundation, Inc., Ames, IA (US); and The Indium Corporation of America, Clinton, NY (US)
Filed by Iowa State University Research Foundation, Inc., Ames, IA (US); and The Indium Corporation of America, Clinton, NY (US)
Filed on Jun. 8, 2021, as Appl. No. 17/342,339.
Application 17/342,339 is a division of application No. 15/932,990, filed on Jun. 6, 2018, granted, now 11,059,098.
Claims priority of provisional application 62/603,776, filed on Jun. 9, 2017.
Prior Publication US 2021/0291269 A1, Sep. 23, 2021
Int. Cl. B22F 7/00 (2006.01); B22F 1/16 (2022.01); B22F 7/04 (2006.01); B22F 10/20 (2021.01); B29C 64/135 (2017.01); H05K 3/12 (2006.01); B33Y 10/00 (2015.01)
CPC B22F 7/04 (2013.01) [B22F 1/16 (2022.01); B22F 7/004 (2013.01); B22F 10/20 (2021.01); B29C 64/135 (2017.08); H05K 3/125 (2013.01); B22F 2007/042 (2013.01); B22F 2999/00 (2013.01); B33Y 10/00 (2014.12); H05K 2201/0254 (2013.01); H05K 2203/128 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A printing or writing ink comprising:
undercooled liquid metallic core-shell particles dispersed in a carrier fluid, the undercooled liquid metallic core-shell particles comprising a liquid metallic core material, wherein the core-shell particles are 5 wt % to 80 wt % of the printing or writing ink, wherein the printing or writing ink is a printable or writable suspension of the core-shell particles.