US 12,168,361 B2
Test substrate for inkjet printer drop placement analyzer
Eashwer Chandra Vidhya Sagar Kollata, Fremont, CA (US); Gregory Lewis, Mountain View, CA (US); James Kundrat, Newark, CA (US); and Alexander Sou-Kang Ko, Santa Clara, CA (US)
Assigned to Kateeva, Inc., Newark, CA (US)
Filed by Kateeva, Inc., Newark, CA (US)
Filed on Aug. 23, 2022, as Appl. No. 17/821,570.
Claims priority of provisional application 63/263,721, filed on Nov. 8, 2021.
Claims priority of provisional application 63/260,656, filed on Aug. 27, 2021.
Prior Publication US 2023/0064743 A1, Mar. 2, 2023
Int. Cl. B41J 2/045 (2006.01); B41J 29/393 (2006.01); B41M 5/50 (2006.01); B41M 5/52 (2006.01)
CPC B41M 5/5218 (2013.01) [B41M 5/504 (2013.01); B41M 5/508 (2013.01); B41M 2205/10 (2013.01); B41M 2205/16 (2013.01)] 22 Claims
OG exemplary drawing
 
1. A substrate for an inkjet printer, the substrate comprising a material selected to provide high contrast reflected light and having a print material receiving surface with a neutral response to the print material, a reflective backing layer, and a print material receiving surface support layer disposed between the print material receiving surface and the backing layer.