Patent · US Active

Fluid ejection die with antechamber sidewalls that curve inward

US12330158B2 · kind B2 · utility

0Cited by
3References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 30, 2020
Grant dateJun 17, 2025
Priority date
Expiry dateDec 13, 2041

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41J2202/20
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

In one example in accordance with the present disclosure, a fluid ejection die is described. The fluid ejection die includes a fluid feed slot to deliver fluid from a reservoir to an array of ejection chambers fluid connected to the fluid feed slot. Each ejection chamber includes at least one fluid actuator and an opening through which fluid is to be ejected. The fluid ejection die also includes a number of antechambers. An antechamber includes sidewalls that curve inward.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.