A method for forming a fluid flow structure may include positioning rows of micro devices in a mold, wherein each of the micro devices comprising a chamber layer in which an ejection chamber is formed and an orifice layer over the chamber layer in which an orifice is formed. The method may further include molding an amorphous body to encapsulate the rows of the micro devices such that the amorphous body forms fluid channels such that each of the rows is fluidically coupled to a different one of the fluid channels.

A liquid ejecting head including: a first liquid ejecting portion including a first liquid storage chamber storing a liquid and a first nozzle; a second liquid ejecting portion including a second liquid storage chamber storing the liquid and a second nozzle; and a flow path structure being formed by stacking substrates and including a distribution flow path that supplies the liquid to the first liquid storage chamber and the second liquid storage chamber. The distribution flow path includes a common flow path through which the liquid flows, a supply flow path that supplies the liquid to the common flow path, a collection flow path that collects the liquid from the common flow path, a first communication flow path communicating the common flow path with the first liquid storage chamber, and a second communication flow path communicating the common flow path with the second liquid storage chamber.

A printing method includes selecting a dye sublimation ink, having: a disperse dye colorant dispersion; a primary solvent selected from the group consisting of glycerol, ethoxylated glycerol, 2-methyl-1,3-propanediol, dipropylene glycol, and combinations thereof; a surfactant selected from the group consisting of nonionic surfactants, anionic surfactants, and combinations thereof; an additive selected from the group consisting of a buffer, a biocide, a chelating agent, and combinations thereof; and a balance of water. An operating energy that includes a margin over a turn-on energy (TOE) for a thermal inkjet printhead is applied to a heating resistor of the printhead, wherein the margin ranges from about 10% to about 25% over the TOE. The dye sublimation ink is printed from the thermal inkjet printhead i) directly onto a textile substrate, or ii) onto a transfer medium to form an image thereon; and the image is transferred onto the textile substrate.

A fluid ejection device includes a fluid slot, a first fluid ejection chamber communicated with the fluid slot and including a first drop ejecting element, a second fluid ejection chamber including a second drop ejecting element, and a fluid circulation path including a first portion communicated with the fluid slot and the second fluid ejection chamber, and a second portion communicated with the first fluid ejection chamber and the second fluid ejection chamber, with the fluid circulation path including a fluid circulating element within the first portion.

A fluidic die includes a fluid channel layer including at least one fluid channel defined along a length of the fluid ejection device. The fluidic die also includes an interposer layer coupled to the fluid channel layer. The interposer layer includes a number of inlet ports defined in the interposer layer to fluidically couple the at least one channel layer to a fluid source, and a number of outlet ports defined in the interposer layer to fluidically couple the at least one channel layer to the fluid source.

An inkjet nozzle includes an aperture with a noncircular opening having a first segment substantially defined by a first polynomial equation and a second segment substantially defined by a second equation.

Provided is a liquid ejection head including: a substrate; an energy-generating element, which is arranged on the substrate, and is used for ejecting a liquid; a flow path forming member, which has an ejection orifice for ejecting the liquid, and is configured to form a flow path of the liquid between the flow path forming member and the substrate; an electrode configured to generate a flow of the liquid; and a wiring, which is arranged so as to be brought into contact with the flow path forming member, and is configured to supply electric power to the electrode, in which the flow path forming member contains an organic material, and in which the electrode and the wiring are each formed of a conductive adhesive layer containing at least one of conductive diamond-like carbon or tin-doped indium oxide.

MEMS devices and methods of fabrication thereof are described. In one embodiment, the MEMS device includes a bottom alloy layer disposed over a substrate. An inner material layer is disposed on the bottom alloy layer, and a top alloy layer is disposed on the inner material layer, the top and bottom alloy layers including an alloy of at least two metals, wherein the inner material layer includes the alloy and nitrogen. The top alloy layer, the inner material layer, and the bottom alloy layer form a MEMS feature.

A liquid ejection apparatus includes a liquid ejection head which is provided with a pressure chamber having, in the inside thereof, an energy-generating element, a transfer body onto which a liquid is ejected through the liquid ejection head to form an image, and a pressing unit which presses a recording medium against the transfer body to transfer the image formed on the transfer body onto the recording medium, wherein the liquid ejection apparatus further includes a heating unit for heating the transfer body during a period from the ejection of the liquid through the liquid ejection head and until the pressing of the recording medium by means of the pressing unit, and the liquid in the pressure chamber in the liquid ejection head is circulated between the pressure chamber and the outside of the pressure chamber.

An image forming method which enables more homogenous image gloss of an image made of gel ink and formed by lump-sum irradiation of active rays. The present invention is an image forming method using a plurality of types of active ray curable ink jet ink having different compositions. The method comprises: a step of gelatinizing each of liquid droplets of the plurality of types of ink jet ink by ejecting the liquid droplets of each ink from a nozzle of an ejection head and causing the same to land onto a surface of a recording medium; and a step of simultaneously irradiating the radiation rays onto the liquid droplets of the plurality of types of ink jet ink that have landed.