An inkjet printhead including an inkjet configured to eject drops of ink in response to receiving an electrical signal, a memory configured to store image data, and a processor operatively coupled to the inkjet and the memory. The processor receives the image data and determines a period of latency of the inkjet printhead. When the period of latency is within a predetermined timeframe, the processor increases a voltage of the electrical signal to a second voltage for an initial number of drops to eject the drops of ink in a pattern of printed ink drops with reference to at least a portion of the image data and reduce the voltage of the electrical signal after the initial number of drops to eject drops of ink in a pattern of printed ink drops with reference to a remaining portion of the image data, and generates the electrical signal.

Embodiments of the present disclosure provide a printhead, a printing equipment and a printing method. The printhead includes: a primary liquid discharging assembly, including a plurality of primary liquid discharging nozzles for forming primary droplets; and a plurality of flow branching components below the primary liquid discharging assembly, and the plurality of flow branching components being in one-to-one correspondence with the plurality of primary liquid discharging nozzles, wherein each of the plurality of flow branching component is configured to be in contact with the primary droplet formed by the corresponding primary liquid discharging nozzle of the plurality of primary liquid discharging nozzles, and split each of the primary droplets into at least two branched droplets.

An actuator device is provided. The actuator device includes: a first substrate including a contact; and a second substrate including a trace electrically connected to the contact. A portion of the second substrate is laminated to the first substrate in a first direction. The portion of the second substrate is adhered to the first substrate. A portion of the trace overlaps the contact in the first direction. A portion of the trace includes a plurality of terminals and a base section. The plurality of terminals are separated from each other. The base section is coupled to the plurality of terminals.

A method of fabricating a nitrogen-vacancy (NV) center quantum sensing device based on electrohydrodynamic (EHD) printing. A nanopipette with an aperture at one end is filled with nanodiamond suspension ink so the ink is present in a meniscus at The aperture, the nanodiamond suspension ink comprises nanodiamonds and solvent. The nanopipette is supported above a substrate having a back electrode. A DC is applied pulse between the nanopipette and the back electrode so as to generate an electrostatic attractive force resulting in the ejection of nano-diamond-laden droplets with sub-attoliter volume. The droplet lands on the substrate and is allowed to dry due to solvent evaporation. Using the method, the control of the number of printed nano-diamonds is at will, attaining single-particle level precision. This printing approach, therefore, enables printing NV center arrays with a controlled number directly on the substrate without any lithographic process.

An acoustic force assisted painting system includes a housing, a nozzle, and at least one first transducer. The conduit is configured to receive paint from an external source. The nozzle is disposed in the housing. The nozzle has an inlet that is fluidly connected to the conduit and is configured to receive paint from the conduit. The nozzle has an outlet configured to dispense the paint. The at least one first transducer is disposed in the housing at a location downstream of the nozzle outlet in a flow direction of the paint.