US 12,330,267 B2
Method and apparatus for edge finishing of high mechanical strength thin glass substrates
Jonas Bankaitis, Horseheads, NY (US); Duc Anh Bui, Krailling (DE); Scott Steven Cronk, Webster, NY (US); Christopher Paul Daigler, Cedar Park, TX (US); Christina Marie Laskowski, Painted Post, NY (US); Neil Eugene Partridge, Avoca, NY (US); Uwe Stute, Neustadt am Rubenberge (DE); Sergio Tsuda, Horseheads, NY (US); and Chad Michael Wilcox, Warrenton, VA (US)
Assigned to CORNING INCORPORATED, Corning, NY (US)
Appl. No. 17/621,049
Filed by CORNING INCORPORATED, Corning, NY (US)
PCT Filed Jun. 11, 2020, PCT No. PCT/US2020/037120
§ 371(c)(1), (2) Date Dec. 20, 2021,
PCT Pub. No. WO2020/257034, PCT Pub. Date Dec. 24, 2020.
Claims priority of provisional application 62/864,131, filed on Jun. 20, 2019.
Claims priority of provisional application 62/872,410, filed on Jul. 10, 2019.
Prior Publication US 2022/0339751 A1, Oct. 27, 2022
Int. Cl. B32B 15/04 (2006.01); B24B 9/10 (2006.01); B24B 29/00 (2006.01); B32B 17/06 (2006.01)
CPC B24B 9/10 (2013.01) [B24B 29/005 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A substrate with a polished edge, the substrate comprising:
a mechanical edge strength of at least 700 MPa; and
edge flaws of not more than 2 microns in size, wherein the polished edge comprises a plurality of brush marks arranged thereon in a substantially parallel configuration, the brush marks imparted by a brush polishing process.