Limiting unwanted ink penetration of flexible circuits of fluid ejection devices
AssigneeHewlett-Packard Development Company, L.P.
InventorsYi Zhang, Glenn T. Haddick
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Abstract
The present invention includes as one embodiment a fluid ejection device for printing ink on a print media, comprising a flexible circuit with electrical traces, a coverlayer covering the electrical traces and adhering the flexible circuit to the fluid ejection device and at least one mechanical feature located on an outer edge of the flexible circuit near the electrical traces.
Claims20
A fluid ejection device with a flexible circuit having electrical traces, comprising:
- a coverlayer covering the electrical traces and adhering the flexible circuit to the fluid ejection device;
- and
- at least one mechanical feature located on an outer edge of the flexible circuit near the electrical traces that increases coverlayer coverage and limits unwanted ink from penetrating the electrical traces.
A method for limiting unwanted ink penetration through an interface between a coverlayer and a flexible circuit to electrical traces of the flexible circuit, comprising:
- creating a mechanical feature located on an outer edge of the flexible circuit near the electrical traces that increases coverlayer coverage;
- and
- wrapping the flexible circuit around edges of the fluid ejection device and adhering it with the coverlayer.
A fluid ejection device for printing ink on a print media, comprising:
- a flexible circuit with electrical traces;
- a coverlayer covering the electrical traces and adhering the flexible circuit to the fluid ejection device;
- and
- a first set of notch cuts located in close proximity to where the flexible circuit wraps around the fluid ejection device at a first location and a second set of notch cuts located in close proximity to where the flexible circuit wraps around the fluid ejection device at a second location.
Dependencies are inferred from the claim text.