Abstract: actuator component for a droplet deposition head made up of a number of patterned layers, each layer extending in a plane normal to a layering direction, with the layers being stacked one upon another in said layering direction. A row of fluid chambers is formed within the layers, with the row extending in a row direction, which is substantially perpendicular to the layering direction. Each fluid chamber is provided with a respective nozzle and a respective actuating element, which is actuable to cause the ejection of fluid from the chamber in question through the corresponding one of the nozzles. A row of inlet passageways is also formed within the layers of the actuator component, with the row extending in the row direction. Each inlet passageway is fluidically connected so as to supply fluid to a respective one of said fluid chambers.

Abstract: A method of adhering a cover layer to a substrate includes forming an array of nano-structures on a substrate. A flowable material is applied to the substrate, the flowable material substantially enveloping the nano-structures on the substrate. The flowable material is solidified to form a cover layer on the substrate, the cover layer being anchored to the substrate via the nano-structures.

Abstract: In an example of a method for making a nano-structure, an aluminum layer is partially anodized to form a porous anodic alumina structure. The aluminum layer is positioned on an oxidizable material layer. The porous anodic alumina structure is exposed to partial anisotropic etching to form tracks within the porous anodic alumina structure. A remaining portion of the aluminum layer is further anodized to form paths where the tracks are formed. The oxidizable material layer is anodized to from an oxide, where the oxide grows through the paths formed within the porous anodic alumina structure to form a set of super nano-pillars.

Abstract: A method of forming a micro-structure involves forming a multi-layered structure including i) an oxidizable material layer on a substrate and ii) another oxidizable material layer on the oxidizable material layer. The oxidizable material layer is formed of an oxidizable material having an expansion coefficient, during oxidation, that is more than 1. The method further involves forming a template, including a plurality of pores, from the other oxidizable material layer, and growing a nano-pillar inside each pore. The nano-pillar has a predefined length that terminates at an end. A portion of the template is selectively removed to form a substantially even plane that is oriented in a position opposed to the substrate. A material is deposited on at least a portion of the plane to form a film layer thereon, and the remaining portion of the template is selectively removed to expose the nano-pillars.

Abstract: A piezoelectric thin film element comprising a first electrode, a second electrode and one or more piezoelectric thin films there between wherein the first electrode is a platinum metal electrode having an average grain size greater than 50 nm and wherein a piezoelectric thin film adjacent the platinum metal electrode comprises a laminate having a plurality of piezoelectric thin film layers wherein a piezoelectric thin film layer contacting the platinum metal electrode comprises lead zirconate titanate (PZT) of composition at or about PbZrxTi1-xO3 where 0<x?0.60 and has a degree of pseudo cubic {100} orientation greater than or equal to 90%.

Abstract: A droplet deposition head having a fluid chamber connected to a droplet ejection nozzle and to a reservoir for the fluid, and a piezoelectric actuator element formed at least in part by a fluid chamber wall having an electrode thereon, which element is displaceable in response to a drive voltage to generate a pressure in the chamber to eject a droplet of fluid from the chamber through the nozzle wherein the electrode is provided with a passivation coating which comprises, at least in part, a laminate comprising an inorganic insulating layer nearest to or contacting the electrode and an organic insulating layer overlying the inorganic insulating layer wherein defects in the insulating layers tend to be misaligned at the interface there between and wherein the inorganic insulating layer has thickness less than or equal to 500 nm and the organic insulating layer has a thickness less than 3 ?m.

Abstract: There is disclosed a piezoelectric thin film element comprising a first electrode, a second electrode and one or more piezoelectric thin films there between characterised in that the thin film element has at least two of: an electrode arrangement in which electrodes are arranged with the one or more piezoelectric thin films so that an electric field applied to a piezoelectric thin film or a portion of a piezoelectric thin film adjacent to the first electrode is lower than an electric field applied to a piezoelectric thin film or a portion of a piezoelectric thin film further from the first electrode when the piezoelectric thin film element actuated; a piezoelectric thin film adjacent to the first electrode in which a layer of the piezoelectric thin film near to the first electrode has a piezoelectric displacement constant which is lower than that of a layer of the piezoelectric thin film further from the first electrode; and a piezoelectric thin film adjacent to the first electrode in which a layer of the

Abstract: The present disclosure is drawn to a thin film stack including a substrate, a metal layer, and an adhesive layer. The adhesive layer comprises a blend of zinc oxide and tin oxide, and the adhesive layer is adhered between the substrate and the metal layer.

Abstract: An inkjet printhead having a fluidic chamber substrate, the fluidic chamber substrate having at least two droplet units provided in an array therein, the droplet units comprising: a fluidic chamber, a first fluidic port provided at a first surface of the fluidic chamber substrate, wherein the first fluidic port is in fluidic communication with the fluidic chamber, a nozzle formed in a nozzle layer provided at a second surface of the fluidic chamber substrate; and a vibration plate provided at the first surface of the fluidic chamber substrate, the vibration plate comprising an actuator for effecting pressure fluctuations within the fluidic chamber; and wherein the droplet units are arranged adjacent each other about an axis extending substantially in a width direction of the droplet units, wherein the first fluidic ports of the droplet units are staggered a first stagger offset distance from each other substantially in a length direction of the droplet units, and wherein a wiring layer extends over the first

Abstract: A piezoelectric thin film element having a first electrode, a second electrode and a piezoelectric thin film between the electrodes, wherein the thin film comprises a laminate having two or more piezoelectric thin film layers and wherein a first thin film layer is doped by one or more dopants and a second film layer is doped by one or more dopants and wherein at least one dopant of the second thin film layer is different from the dopant or dopants of the first thin film layer.

Abstract: A method of adhering a cover layer to a substrate includes forming an array of nano-structures on a substrate. A flowable material is applied to the substrate, the flowable material substantially enveloping the nano-structures on the substrate. The flowable material is solidified to form a cover layer on the substrate, the cover layer being anchored to the substrate via the nano-structures.

Abstract: A lead-free piezoelectric ceramic material has the general chemical formula xBiCoO3-y(Bi0.5Na0.5)TiO3-z(Bi0.5K0.5)TiO3, xBiCoO3-y(Bi0.5Na0.5)TiO3-zNaN-bO3, xBiCoO3-y(Bi0.5Na0.5)TiO3-zKNbO3, xBiCoO3-yBi(Mg0.5Ti0.5)O3-z(Bi0.5Na0.5)TiO3, xBiCoO3-yBa-TiO3-z(Bi0.5Na0.5)TiO3, or xBiCoO3-yNaNbO3-zKNbO3; wherein x+y+z=1, and x, y, z?0.

Abstract: A method of forming a micro-structure involves forming a multi-layered structure including i) an oxidizable material layer on a substrate and ii) another oxidizable material layer on the oxidizable material layer. The oxidizable material layer is formed of an oxidizable material having an expansion coefficient, during oxidation, that is more than 1. The method further involves forming a template, including a plurality of pores, from the other oxidizable material layer, and growing a nano-pillar inside each pore. The nano-pillar has a predefined length that terminates at an end. A portion of the template is selectively removed to form a substantially even plane that is oriented in a position opposed to the substrate. A material is deposited on at least a portion of the plane to form a film layer thereon, and the remaining portion of the template is selectively removed to expose the nano-pillars.

Abstract: A method of forming a micro-structure involves forming a multi-layered structure including i) an oxidizable material layer on a substrate and ii) another oxidizable material layer on the oxidizable material layer. The oxidizable material layer is formed of an oxidizable material having an expansion coefficient, during oxidation, that is more than 1. The method further involves forming a template, including a plurality of pores, from the other oxidizable material layer, and growing a nano-pillar inside each pore. The nano-pillar has a predefined length that terminates at an end. A portion of the template is selectively removed to form a substantially even plane that is oriented in a position opposed to the substrate. A material is deposited on at least a portion of the plane to form a film layer thereon, and the remaining portion of the template is selectively removed to expose the nano-pillars.

Abstract: In an example of a method for making a nano-structure, an aluminum layer is partially anodized to form a porous anodic alumina structure. The aluminum layer is positioned on an oxidizable material layer. The porous anodic alumina structure is exposed to partial anisotropic etching to form tracks within the porous anodic alumina structure. A remaining portion of the aluminum layer is further anodized to form paths where the tracks are formed. The oxidizable material layer is anodized to from an oxide, where the oxide grows through the paths formed within the porous anodic alumina structure to form a set of super nano-pillars.

Abstract: An example provides an apparatus including a substrate, a metal layer, and an adhesive layer adhered between the substrate and the metal layer, the adhesive layer comprising indium oxide, tin oxide, gallium oxide, indium-tin oxide, indium-gallium oxide, tin-gallium oxide, or indium-tin-gallium oxide.

Abstract: An article is provided, the article including a substrate having a surface with a first wettability characteristic. A nano-structure array is formed on the surface of the substrate to provide a nano-structured surface having a second wettability characteristic. A thin-layer surface coating is formed on the nano-structured surface, the thin-layer surface coating being configured to tune the nano-structured surface to a target wettability characteristic.

Abstract: A nano-structure includes an oxidized layer, and at least two sets of super nano-pillars positioned on the oxidized layer. Each of the at least two sets of super nano-pillars includes a plurality of super nano-pillars, where each set is separated a spaced distance from each other set.

Abstract: A method of forming capped nano-pillars on a substrate includes forming a template on the substrate, the template defining nano-pores having a first width. The nano-pores are partially filled to define nano-pillar stem portions of a first thickness corresponding to the first width. The nano-pores are re-shaped to define re-shaped nano-pore sections having a second width different than the first width. The re-shaped nano-pore sections are at least partially filled to define nano-pillar cap portions of a second thickness corresponding to the second width. The method further includes removing the template.

Abstract: Nano-scale structures are provided wherein nano-structures are formed on a substrate surface and a base material is applied between the nano-structures.