| 摘要 |
An improved form of ink supply to ink ejection chambers is included on an ink jet print head for printing images. The supply is fabricated on a planar wafer, the supply being through wafer channels, wherein the through wafer channels each supply a plurality of fluid chambers. The through wafer channels can include etchant holes in one wall exposed to atmospheric conditions and the fluid chambers can each include a fluid filter in one wall.
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