Fluid cartridge with vented insert
AssigneeFunai Electric Co., Ltd.
InventorsMasaki NAKATANI, Richard L. Warner, Sean T. Weaver
Life of this patent
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Abstract
A fluid cartridge having a plastic fluid body, a bottom wall having a fluid supply opening therein. A metal insert is adhesively attached to the bottom wall. The metal insert has a fluid supply slot therein corresponding to the fluid supply opening in the bottom wall, a die bond surface adjacent to the fluid supply slot for adhesively attaching an ejection head chip thereto, and a plurality of air vents adjacent to the die bond surface. An ejection head chip is adhesively attached to the die bond surface of the metal insert.
Claims19
A fluid cartridge comprising:
- a plastic fluid body having a bottom wall having a fluid supply opening therein;
- a metal insert adhesively fastened to the bottom wall of the plastic fluid body, the metal insert having a fluid supply slot therein corresponding to the fluid supply opening in the bottom wall, a die bond surface adjacent to the fluid supply slot configured for adhesively fastening an ejection head chip thereto, and a plurality of air vents adjacent to the die bond surface;
- and
- an ejection head chip adhesively fastened to the die bond surface of the metal insert.
A method for eliminating mechanical stresses on an ejection head chip comprising:
- providing a fluid cartridge comprising a plastic fluid body having a bottom wall having a fluid supply opening therein;
- adhesively attaching a metal insert to the bottom wall, wherein the metal insert has a fluid supply slot therein corresponding to the fluid supply opening in the bottom wall, a die bond surface adjacent to the fluid supply slot for adhesively attaching an ejection head chip thereto, and a plurality of air vents adjacent to the die bond surface;
- adhesively attaching an ejection head chip to the die bond surface of the metal insert;
- and
- electrically connecting a flexible circuit to the ejection head chip.
Dependencies are inferred from the claim text.