US 12,083,620 B2
Laser based machining
Paul Blair, Dalgety Bay (GB); Chris Courtney, Dalgety Bay (GB); Tina Parsonage, Dalgety Bay (GB); Amiel Lopes, Edinburgh (GB); Krystian L. Wlodarczyk, Edinburgh (GB); and Duncan P. Hand, Edinburgh (GB)
Assigned to POWER PHOTONIC LTD., (GB)
Filed by PowerPhotonic Ltd., Dalgety Bay (GB)
Filed on Dec. 20, 2018, as Appl. No. 16/226,750.
Claims priority of application No. 1721709 (GB), filed on Dec. 22, 2017.
Prior Publication US 2019/0193198 A1, Jun. 27, 2019
Int. Cl. B23K 26/0622 (2014.01); B23K 26/00 (2014.01); B23K 26/08 (2014.01); B23K 26/082 (2014.01); B23K 26/352 (2014.01); B23K 26/36 (2014.01); B23K 26/40 (2014.01); B23K 103/00 (2006.01); B29D 11/00 (2006.01); C03C 23/00 (2006.01); G02B 27/09 (2006.01); H01S 5/40 (2006.01)
CPC B23K 26/0624 (2015.10) [B23K 26/0006 (2013.01); B23K 26/082 (2015.10); B23K 26/0853 (2013.01); B23K 26/352 (2015.10); B23K 26/355 (2018.08); B23K 26/3576 (2018.08); B23K 26/36 (2013.01); B23K 26/40 (2013.01); B29D 11/00 (2013.01); B29D 11/00298 (2013.01); C03C 23/0025 (2013.01); G02B 27/0961 (2013.01); H01S 5/4043 (2013.01); B23K 2103/54 (2018.08); B29D 11/00932 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A direct write laser based machining method wherein a single laser beam is controlled to machine a glass material in an interlaced raster scan pattern wherein a plurality of spaced apart single scan lines are machined one at a time to form a first raster pass; and wherein one or more subsequent raster passes are machined, each of said subsequent raster passes comprising a plurality of further single scan lines machined one at a time and arranged between the single scan lines of a previous raster pass.