Patent · US Active

Method and device for producing a multi-material workpiece

US12240043B2 · kind B2 · utility

0Cited by

0References

10Claims

0Family size

Assignee

Nikon SLM Solutions AG · DE

Inventors

Toni Adam Krol · Stade, DE
Christopher Stengel · Stade, DE
Dieter Schwarze · Hof Perlberg, DE

Key dates

Filing date	Jun 16, 2020
Grant date	Mar 4, 2025
Priority date	—
Expiry date	Nov 12, 2041

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P10/25
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

In a method for producing a three-dimensional workpiece (12), a first raw material powder (50) is applied to a substrate (18) in order to produce a raw material powder layer consisting of the first raw material powder (50). The raw material powder layer consisting of the first raw material powder (50) is selectively irradiated with electromagnetic radiation or particle radiation in order to produce a solidified first workpiece layer portion (52) from the first raw material powder (50). Non-solidified first raw material powder (50) is then removed from the substrate (18). In the next step, a second raw material powder (54) is applied to the substrate (18), in order to produce a raw material powder layer portion consisting of the second raw material powder (54) adjacent to the first workpiece layer portion (52), The raw material powder layer portion is selectively irradiated with electromagnetic radiation or particle radiation in order to produce a solidified second workpiece layer portion (56) from the second raw material powder (54) adjacent to the first workpiece layer portion (52). The non-solidified second raw material powder (54) is heated in order to produce a continuous porou…

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