<p>A drop detector assembly includes an ejection element formed on a substrate to eject a fluid drop, and a light detector formed on the substrate to detect light scattered off of the fluid drop. A fluid drop ejected from a nozzle formed in a transparent nozzle plate scatters light that is detected through the transparent nozzle plate.</p>
申请公布号
EP2611618(A1)
申请公布日期
2013.07.10
申请号
EP20100856811
申请日期
2010.09.02
申请人
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
发明人
GOVYADINOV, ALEXANDER;VAN BROCKLIN, ANDREW, L.;SCHULTE, DONALD, W.;MCMAHON, TERRY