Patent ID: 11945043
Assignee: CONCEPT LASER GMBH
Field: Other special machines (Mechanical engineering)
Classification: CPC B  G  Y | IPC B  G

Claim 3:
4. The optical system of claim 3, wherein the first scan field expansion assembly is configured and arranged relative to the powder bed to irradiate a first portion of the powder bed corresponding to the first expanded scan field using the first energy beam,
wherein the second scan field expansion assembly is configured and arranged relative to the powder bed to irradiate a second portion of the powder bed corresponding to the second expanded scan field using the second energy beam, and
wherein the first scan field expansion assembly and the second scan field expansion assembly are configured and arranged relative to the powder bed to irradiate an interlace region of the powder bed using the first energy beam and/or the second energy beam, the interlace region corresponding to a portion of the first expanded scan field and a portion of the second expanded scan field that overlap one another.