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US 8,573,741 B2Granted
Fluid-ejection assembly substrate having rounded ribs
AssigneeHewlett-Packard Development Company, L.P.
InventorsAlok Sharan, Thomas Novet, Daniel W. Petersen, John Breen
Life of this patent
Estimating the term…
Abstract
A fluid-ejection assembly includes a die, a substrate, ribs, and adhesive. The die has nozzles through which fluid is ejected. The substrate provides the fluid to the die. The ribs are within the substrate, and have rounded corners. The rounded corners are adapted to provide a predetermined characteristic. The adhesive affixes the die to the substrate.
Claims15
A fluid-ejection assembly comprising:
- a die having a plurality of nozzles through which fluid is ejectable, and having a plurality of fluid slots fluidically coupled to the nozzles;
- a substrate to provide the fluid to the die;
- a plurality of ribs within the substrate, the ribs defining a plurality of channels providing the fluid to the fluid slots, the ribs having rounded corners that each have a preselected radius, the rounded corners providing a predetermined characteristic;
- and,
- adhesive on the ribs affixing the die to the substrate,
- wherein the predetermined characteristic comprising inhibiting the adhesive from at least partially blocking the fluid slots.
3 more elements
A fluid-ejection assembly comprising:
- a die having a plurality of nozzles through which fluid is ejectable, and having a plurality of fluid slots fluidically coupled to the nozzles;
- a substrate to provide the fluid to the die;
- a plurality of ribs within the substrate, the ribs defining a plurality of channels providing the fluid to the fluid slots, the ribs having predetermined rounded corners that each have a preselected radius, the rounded corners providing a predetermined characteristic;
- and,
- adhesive on the ribs affixing the die to the substrate,
- wherein the predetermined characteristic comprises inhibiting the adhesive from at least partially blocking the fluid slots.
3 more elements
Dependencies are inferred from the claim text.