Patent · US Active

Multi-material stereolithographic three dimensional printing

US11141919B2 · kind B2 · utility

3Cited by
117References
33Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 9, 2016
Grant dateOct 12, 2021
Priority date
Expiry dateDec 22, 2038

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB33Y30/00
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

Methods, systems, and apparatus, including a method of multi-material stereolithographic three dimensional printing comprising, depositing a first material through a first material dispenser of a stereolithographic three dimensional printer onto an optical exposure window to form a first material layer; curing the first material layer to form a first material structure on a build head of the stereolithographic three dimensional printer; depositing a second material through the first material dispenser or a second material dispenser onto the optical exposure window to form a second material layer; and curing the second material layer to form a second material structure on the build head.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.