Patent · US Active

Component properties through beam shaping in the laser sintering process

US9238310B2 · kind B2 · utility

5Cited by

5References

13Claims

0Family size

Assignee

EVONIK DEGUSSA GMBH · DE

Inventors

Maik Grebe · Bochum, DE
Sylvia Monsheimer · Haltern am See, DE
Wolfgang Diekmann · Waltrop, DE
Juergen Kreutz · Marl, DE

Key dates

Filing date	Jul 19, 2012
Grant date	Jan 19, 2016
Priority date	—
Expiry date	Nov 26, 2033

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/24479
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

An apparatus and method for the layer-by-layer production of three-dimensional objects wherein a powder layer is melted with a laser beam shaped such that the focus maximum power density is less than 50% greater than the average power density, is provided. Also provided are the corresponding mouldings.

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