公开(公告)号：WO2021025876A1

公开(公告)日：2021-02-11

申请号：PCT/US2020/043484

申请日：2020-07-24

申请人： CARBON, INC.

发明人： CHIMMALGI, Anant ,  HERRMANN, Ariel M. ,  FIDLER, Jordan Christopher ,  WHEELER, Sean Patrick ,  PORTNOY, Alexander ,  CHEAH, Fabian ,  GU, Xinyu ,  MENOTTI, Angelo

IPC分类号： B29C64/124 ,  B29C64/277 ,  B29C64/364 ,  B33Y30/00 ,  B29C64/371

摘要： An additive manufacturing apparatus (10) includes (a) a light polymerizable resin unit comprising a surface on which a light polymerizable resin can be supported; (b) a light engine (17) configured to illuminate a region of the light polymerizable resin unit; (c) a carrier platform on which an object can be produced; (d) a drive assembly operatively associated with the carrier platform for advancing said carrier platform (12) and said light polymerizable resin unit away from one another as said object is produced; (e) a purge chamber (300) surrounding at least a portion of said light engine (17); and (f) a purge gas in said purge chamber, or a purge gas supply operatively associated with said purge chamber (300).

公开(公告)号：WO2020069060A1

公开(公告)日：2020-04-02

申请号：PCT/US2019/053057

申请日：2019-09-26

申请人： CARBON, INC.

发明人： FIDLER, Jordan Christopher ,  FELLER, Bob E.

IPC分类号： B29C64/124 ,  B29C64/295 ,  B29C64/393 ,  B33Y30/00

摘要： A removable window cassette for a bottom-up stereolithography apparatus includes (a) a light-transmissive window having a rigid bottom portion and a semipermeable top portion, with the rigid bottom portion comprised of a thermally conductive material; (b) a circumferential frame surrounding the window and into which the window is recessed, the frame having a top portion, a bottom portion, and an internal wall portion, the frame internal wall portion defining with the window semipermeable top portion a well into which a polymerizable liquid may be received; and (c) at least one thermoelectric device in the circumferential frame and in thermal contact with the rigid bottom portion.