US 11,787,117 B2
Fabricating ceramic structures
Wayde R. Schmidt, Pomfret Center, CT (US); Paul Sheedy, Bolton, CT (US); John A. Sharon, West Hartford, CT (US); and Neal Magdefrau, Tolland, CT (US)
Assigned to RTX CORPORATION, Farmington, CT (US)
Filed by RTX Corporation, Farmington, CT (US)
Filed on Apr. 23, 2020, as Appl. No. 16/856,433.
Prior Publication US 2021/0331393 A1, Oct. 28, 2021
Int. Cl. B29C 64/291 (2017.01); B33Y 10/00 (2015.01); B33Y 30/00 (2015.01); B29C 64/30 (2017.01); C04B 35/64 (2006.01); C04B 41/00 (2006.01); C04B 41/81 (2006.01)
CPC B29C 64/291 (2017.08) [B29C 64/30 (2017.08); B33Y 10/00 (2014.12); B33Y 30/00 (2014.12); C04B 35/64 (2013.01); C04B 41/009 (2013.01); C04B 41/81 (2013.01); C04B 2235/6026 (2013.01); C04B 2235/667 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A method of fabricating ceramic structures of controlled size and composition, the method comprising:
printing a pattern of uncured preceramic materials;
curing the pattern; and
converting the preceramic to ceramic in about 1 second or less by intense pulsed light (IPL) processing,
wherein the printing comprises electrohydrodynamic (EHD) deposition.