| 摘要 |
A fluid ejection head (18) is disclosed, wherein the fluid ejection head (18) includes an orifice layer (38) disposed on top of a substrate layer (34). The fluid ejection head (18) includes a first group of fluid ejection orifices (22a) and a second group of fluid ejection orifices (22b) formed in the fluid ejection head (18), wherein the first group of fluid ejection orifices (22a) and the second group of fluid ejection orifices (22b) are configured to eject two different fluids, and an elongate channel (32a) formed in the fluid ejection head (18), wherein the channel (32a) is positioned between the first group of fluid ejection orifices (22a) and the second group of fluid ejection orifices (22b) in such a location as to inhibit cross-contamination of fluids ejected from the first group of fluid ejection orifices (22a) and second group of fluid ejection orifices (22b).
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