US 11,654,680 B2
Fluidic ejection dies with enclosed cross-channels
Si-Iam Choy, Corvallis, OR (US); Michael W. Cumbie, Corvallis, OR (US); Chien-Hua Chen, Corvallis, OR (US); and Jeffrey R. Pollard, Corvallis, OR (US)
Assigned to Hewlett-Packard Development Company, L.P., Spring, TX (US)
Filed by HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P., Spring, TX (US)
Filed on Jun. 7, 2021, as Appl. No. 17/340,570.
Application 17/340,570 is a continuation of application No. 16/629,366, granted, now 11,059,291, previously published as PCT/US2017/044738, filed on Jul. 31, 2017.
Prior Publication US 2021/0291547 A1, Sep. 23, 2021
Int. Cl. B41J 2/14 (2006.01); B41J 2/16 (2006.01); B41J 2/175 (2006.01); B41J 2/21 (2006.01)
CPC B41J 2/14145 (2013.01) [B41J 2/14032 (2013.01); B41J 2/1603 (2013.01); B41J 2/1623 (2013.01); B41J 2/1628 (2013.01); B41J 2/17503 (2013.01); B41J 2/21 (2013.01); B41J 2202/12 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A fluidic ejection device, comprising:
a macro-recirculation system comprising a supply slot to supply a fluid to an array of nozzles; and
a fluidic ejection die, comprising:
the array of nozzles;
a micro-recirculation system per nozzle, the micro-recirculation system comprising:
a nozzle inlet passage;
the nozzle channel to direct fluid to and from an ejection chamber of the nozzle; and
a nozzle outlet passage; and
an enclosed cross-channel fluidly connected to the macro-recirculation system and the micro-recirculation system.