US 10,512,126 B2
Treated heated window grid for improved durability in harsh environments
David T. Renke, Macomb, MI (US); Thomas D. Hagen, Grand Blanc, MI (US); and John M. Moote, Plymouth, MI (US)
Assigned to GM Global Technology Operations LLC, Detroit, MI (US)
Filed by GM Global Technology Operations LLC, Detroit, MI (US)
Filed on Aug. 2, 2016, as Appl. No. 15/226,120.
Prior Publication US 2018/0042072 A1, Feb. 8, 2018
Int. Cl. H05B 3/84 (2006.01); C03C 17/04 (2006.01); C03C 17/00 (2006.01); C03C 17/34 (2006.01)
CPC H05B 3/84 (2013.01) [C03C 17/008 (2013.01); C03C 17/04 (2013.01); C03C 17/34 (2013.01); C03C 2217/479 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A method comprising:
providing a glass substrate comprising a first surface and a second surface;
disposing a ceramic frit comprising at least one bus bar and at least one grid line on the first surface to form a window assembly;
bathing the window assembly in a first bath solution; and
drying the window assembly;
wherein the first bath solution comprises nitric acid.