US 11,938,538 B2
Method of laser-assisted metal-plastic hybrid 3D printing and multilayered structure by using thereof
Junyeon Hwang, Wanju-gun (KR); Siwon Yu, Wanju-gun (KR); and Byeongguk Kim, Wanju-gun (KR)
Assigned to KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY, Seoul (KR)
Filed by KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY, Seoul (KR)
Filed on Aug. 29, 2022, as Appl. No. 17/897,896.
Claims priority of application No. 10-2021-0119581 (KR), filed on Sep. 8, 2021; and application No. 10-2022-0106450 (KR), filed on Aug. 24, 2022.
Prior Publication US 2023/0079537 A1, Mar. 16, 2023
Int. Cl. B22F 10/50 (2021.01); B22F 10/28 (2021.01); B22F 12/41 (2021.01); B29C 64/153 (2017.01); B29C 64/268 (2017.01); B29K 77/00 (2006.01); B33Y 10/00 (2015.01); B33Y 30/00 (2015.01); B33Y 80/00 (2015.01)
CPC B22F 10/50 (2021.01) [B22F 10/28 (2021.01); B22F 12/41 (2021.01); B29C 64/153 (2017.08); B29C 64/268 (2017.08); B33Y 10/00 (2014.12); B33Y 30/00 (2014.12); B33Y 80/00 (2014.12); B22F 2301/052 (2013.01); B29K 2077/00 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method of producing a metal-plastic multi-layered hybrid structure by using laser three-dimensional (3D) printing, the method comprising:
printing a metal structure on a substrate by using a first laser;
patterning an upper surface of the metal structure by using the first laser;
printing a polymer bonding layer on the patterned metal structure by using the first laser; and
printing a polymer structure on the polymer bonding layer by using a second laser having a wavelength longer than a wavelength of the first laser,
wherein the printing of the polymer bonding layer comprises forming an intermediate phase at an interface between the metal structure and the polymer bonding layer, and the intermediate phase comprises a carbon-metal oxide induced by the first laser.