Back to results
US 2018/0001636 A1Published application
Printhead structure
AssigneeHewlett-Packard Development Company, L.P.
InventorsZhizhang Chen, James Elmer Abbott, JR., Michael W. Cumbie, Roberto A. Pugliese
Life of this patent
Estimating the term…
Abstract
In one example, a printhead structure includes an ejector element, a multi-layer insulator covering the ejector element, and an amorphous metal on the insulator.
Claims17
A printhead structure, comprising:
- an ejector element;
- a multi-layer insulator covering the ejector element;
- and
- an amorphous metal on the insulator.
1 more element
A printhead structure, comprising:
- an ejector element to eject a liquid from a dispensing chamber;
- multiple passivation layers covering the ejector element;
- and
- an amorphous metal layer lining part of the dispensing chamber on an outermost passivation layer.
1 more element
A printhead structure, comprising:
- a resistor;
- a single first insulator layer on the resistor;
- a single second insulator layer on the first insulator layer;
- and
- a single amorphous metal layer on the second insulator layer.
2 more elements
A process for making a printhead structure, comprising:
- forming a first insulator on an ejector element;
- forming a second insulator on the first insulator;
- and
- forming an amorphous metal on the second insulator.
1 more element
Dependencies are inferred from the claim text.