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US2020086558A1
METHOD FOR OPERATING AN APPARATUS FOR ADDITIVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: US2020086558A1 Publication Date: 2020-03-19 Application Number: 16/291,714 Filing Date: 2019-03-04 Inventor: Reichenbacher, Markus   Vierling, Christoph   Hild, Christian   Dressel, Tobias   Str xd6 ssner johannes   Assignee: CONCEPT LASER GMBH   IPC: B29C64/153 Abstract: Method for operating an apparatus (1) for additively manufacturing three-dimensional objects (2) by means of successive layerwise selective irradiation and consolidation of layers of a build material (3) which can be consolidated by means of an energy beam (5), wherein at least one region in a build plane (6) is irradiated in the additive manufacturing process, wherein an interrupted state of the additive manufacturing process is determined and a defined amount of energy is deposited in at least one previously irradiated region (7, 8) of the build plane (6) in an interrupted state of the additive manufacturing process.