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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 11826949 B1

PDFFull Text
Date of Patent:
Nov. 28, 2023

Filed:

Nov. 14, 2017

Particle stereolithography

Applicant:

Desktop Metal, Inc., Burlington, MA (US);

Inventors:

Michael Andrew Gibson, Boston, MA (US);

Jonah Samuel Myerberg, Lexington, MA (US);

Ricardo Fulop, Lexington, MA (US);

Michael J. Tarkanian, West Roxbury, MA (US);

Yet-Ming Chiang, Weston, MA (US);

Jay Tobia, Cambridge, MA (US);

Olivia Molnar Lam, Burlington, MA (US);

Assignee:

Desktop Metal, Inc., Burlington, MA (US);

Attorney:

Hansen IP Law PLLC

Primary Examiner:

Michael M Robinson

Int. Cl.
CPC ...
B29C 64/124 (2017.01); B29C 64/245 (2017.01); B29C 64/165 (2017.01); B33Y 70/10 (2020.01); C04B 35/486 (2006.01); C04B 35/626 (2006.01); C04B 35/632 (2006.01); C04B 35/638 (2006.01); G03F 7/00 (2006.01); G03F 7/004 (2006.01); A61K 6/807 (2020.01); A61K 6/818 (2020.01); A61K 6/822 (2020.01); A61K 6/833 (2020.01); C04B 35/01 (2006.01); C04B 35/634 (2006.01); B22F 1/10 (2022.01); B22F 10/12 (2021.01); B22F 10/50 (2021.01); A61L 27/46 (2006.01); B33Y 50/02 (2015.01); B29C 64/135 (2017.01); B22F 7/04 (2006.01); B28B 1/00 (2006.01); B33Y 10/00 (2015.01); B22F 3/26 (2006.01); B22F 7/08 (2006.01); B33Y 80/00 (2015.01); B82Y 30/00 (2011.01); B82Y 40/00 (2011.01); C22C 9/06 (2006.01); C22C 19/03 (2006.01); B22F 12/90 (2021.01); B22F 10/64 (2021.01); B22F 1/102 (2022.01); G03F 7/027 (2006.01); B22F 3/10 (2006.01); B29K 509/02 (2006.01);
U.S. Cl.
CPC ...
B29C 64/124 (2017.08); A61K 6/807 (2020.01); A61K 6/818 (2020.01); A61K 6/822 (2020.01); A61K 6/833 (2020.01); A61L 27/46 (2013.01); B22F 1/10 (2022.01); B22F 3/26 (2013.01); B22F 7/04 (2013.01); B22F 7/08 (2013.01); B22F 10/12 (2021.01); B22F 10/50 (2021.01); B28B 1/001 (2013.01); B29C 64/135 (2017.08); B29C 64/165 (2017.08); B29C 64/245 (2017.08); B33Y 10/00 (2014.12); B33Y 50/02 (2014.12); B33Y 70/10 (2020.01); C04B 35/013 (2013.01); C04B 35/486 (2013.01); C04B 35/6263 (2013.01); C04B 35/6264 (2013.01); C04B 35/632 (2013.01); C04B 35/634 (2013.01); C04B 35/638 (2013.01); C04B 35/63488 (2013.01); G03F 7/0037 (2013.01); G03F 7/0047 (2013.01); G03F 7/70416 (2013.01); B22F 1/102 (2022.01); B22F 3/1021 (2013.01); B22F 10/64 (2021.01); B22F 12/90 (2021.01); B22F 2007/042 (2013.01); B22F 2998/10 (2013.01); B29K 2509/02 (2013.01); B33Y 80/00 (2014.12); B82Y 30/00 (2013.01); B82Y 40/00 (2013.01); C22C 9/06 (2013.01); C22C 19/03 (2013.01); G03F 7/027 (2013.01);
Abstract

Systems, methods, components, and materials are disclosed for stereolithographic fabrication of three-dimensional, dense objects. A resin including at least one component of a binder system and dispersed particles can be exposed to an activation light source. The activation light source can cure the at least one component of the binder system to form a green object, which can include the at least one component of the binder system and the particles. A dense object can be formed from the green object by removing the at least one component of the binder system in an extraction process and thermally processing particles to coalesce into the dense object.

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