Back to results
US 9,956,771 B2Granted
Fluid ejection apparatus with single-side thermal sensor
AssigneeHewlett-Packard Development Company, L.P.
InventorDavid Maxfield
Life of this patent
Estimating the term…
Abstract
An example provides a fluid ejection apparatus including a fluid feed slot to supply a fluid to a plurality of drop ejectors, a first rib at a first side of the fluid feed slot and supporting drop ejection circuitry to control ejection of drops of the fluid from the plurality of drop ejectors, and a second rib at a second side, opposite the first side, of the fluid feed slot supporting a thermal sensor to facilitate determination of a temperature of the first rib and the second rib.
Claims20
A fluid ejection printhead comprising:
- a fluid feed structure to supply a fluid to a plurality of drop ejectors;
- a first rib at a first side of the fluid feed structure and supporting drop ejection circuitry to control ejection of drops of the fluid from the plurality of drop ejectors;
- and
- a second rib at a second side, opposite the first side, of the fluid feed structure and supporting a thermal sensor to facilitate determination of a temperature of the first rib;
- wherein the fluid feed structure is disposed between the first rib and the second rib;
- and
- wherein the thermal sensor comprises a thermal sense resistor.
4 more elements
A fluid ejection printhead comprising:
- a substrate in which a printhead die is embedded;
- and
- a fluid feed slot to supply fluid to a plurality of drop ejectors of the printhead die
- the printhead die further comprising:
- a first rib at a first side of the fluid feed slot and supporting drop ejection circuitry to control ejection of drops of the fluid from the plurality of drop ejectors;
- and
- a second rib at a second side, opposite the first side, of the fluid feed slot and supporting a thermal sensor to facilitate determination of a temperature of the first rib;
- wherein the thermal sensor comprises a thermal sense resistor;
- and
- wherein the plurality of drop ejectors comprises a plurality of columns of the drop ejectors, and wherein a first column of the drop ejectors is disposed over the first rib and a second column of drop ejectors is disposed over the second rib.
7 more elements
A fluid ejection printhead comprising:
- a fluid feed structure to supply a fluid to a plurality of drop ejectors;
- a first rib at a first side of the fluid feed structure and supporting drop ejection circuitry to control ejection of drops of the fluid from the plurality of drop ejectors;
- and
- a second rib at a second side, opposite the first side, of the fluid feed structure and supporting a thermal sensor to facilitate determination of a temperature of the first rib;
- wherein the fluid feed structure is disposed between the first rib and the second rib;
- wherein the thermal sensor comprises a thermal sense resistor;
- and
- wherein the first rib is devoid of thermal sensors.
5 more elements
Dependencies are inferred from the claim text.