Back to results
US 2002/0158945 A1Published application
Heating element of a printhead having resistive layer over conductive layer
OwnerRichard Todd Miller, Susanne L. Kumpfinventors
Life of this patent
Estimating the term…
Abstract
10006488 A heating element of a printhead has a conductive layer deposited over a substrate, and a resistive layer deposited over and in electrical contact with the conductive layer.
Claims20
A heating element of a printhead comprising:
- a substrate;
- a conductive layer deposited over the substrate;
- and
- a resistive layer deposited over and in electrical contact with the conductive layer.
1 more element
A printhead comprising:
- a substrate;
- a conductive layer deposited over the substrate;
- a resistive layer deposited over and in electrical contact with the conductive layer;
- and
- a top layer deposited over the resistive layer, wherein the top layer has an orifice through which fluid is capable of being ejected.
2 more elements
A method of fabricating a printhead comprising:
- depositing conductive material over a substrate;
- etching the conductive material to define at least one of a conductor trace and a resistor length;
- depositing resistive material over the conductor trace;
- and
- depositing a top layer over the resistive material, wherein the top layer has an orifice through which fluid is capable of being ejected.
2 more elements
Dependencies are inferred from the claim text.