B41J2/04505

Imprint apparatus and method of controlling imprint apparatus

An imprint apparatus includes: a substrate stage configured to move a substrate; an ejection unit including a plurality of nozzles and configured to eject an ejection material from the nozzles onto the substrate in synchronization with movement of the substrate stage; and a mold driving mechanism configured to drive a mold on which a pattern is formed to press down the mold onto the substrate. The imprint apparatus determines a relative ejection timing of an abnormal nozzle with respect to a normal nozzle based on ejection properties of the nozzles and a moving direction of the substrate stage, determines an ejection timing of the normal nozzle based on the determined relative ejection timing, and controls a synchronization timing of the substrate stage and the ejection unit based on the determined ejection timing of the normal nozzle.

Recording medium conveying device and image forming apparatus incorporating the recording medium conveying device
11420836 · 2022-08-23 · ·

A recoding medium conveying device includes a conveyance belt, a first sensor, a second sensor, and circuitry. The conveyance belt has an endless loop shape and a length capable of conveying a plurality of recording media in one rotation. The first sensor is disposed upstream from the conveyance belt in a conveyance direction of a recording medium and is configured to detect the recording medium. The second sensor is configured to detect a home position of the conveyance belt. The circuitry is configured to adjust a rotation speed of the conveyance belt, while the conveyance belt makes one rotation, to eliminate an amount of deviation between a first detection timing of the recording medium detected by the first sensor and a second detection timing of the home position of the conveyance belt detected by the second sensor.

FLUID PRINTING APPARATUS

Fluid printing apparatus including substrate, print head, pneumatic system, and print head positioning system. The print head ejects fluid in a continuous stream with a micro-structural fluid ejector consisting of output, elongate input, and tapering portions between the output and elongate input portions. The output portion consists of an exit orifice of an inner diameter ranging between 0.1 μm and 5 μm and an end face having a surface roughness of less than 0.1 μm. The print head is positioned above the substrate with the output portion of the micro-structural fluid ejector pointing downward. During printing, the print head positioning system maintains a vertical distance between the end face and the printable surface of the substrate within a range of 0 μm to 5 μm, and the pneumatic system applies pressure to the fluid in the micro-structural fluid ejector in the range of −50,000 Pa to 1,000,000 Pa.

Digital printing apparatus and method

A method for printing with an inkjet head includes: printing with an inkjet head comprising a plurality n of parallel nozzle rows, where n is at least 2; where each nozzle row comprises a plurality of nozzles, where adjacent nozzle rows of the plurality of nozzle rows are shifted with respect to each other; where a distance between two nozzle rows, seen in the printing direction, is d; and where said printing includes: moving the substrate with respect to the inkjet head in the printing direction at a printing speed v′; and firing each nozzle of the plurality of nozzles with a firing frequency f′; where the plurality of nozzle rows are fired at different instants in time, such that the distance d′ between printed rows of dots printed by the two nozzle rows, seen in the printing direction, is larger or smaller than d.

Printer-finisher system for data storage in DNA

Provided herein are systems and methods for storing digital information by assembling an identifier nucleic acid molecule from at least a first component nucleic acid molecule and a second component nucleic acid molecule. The system may include a first printhead configured to dispense a first droplet of a first solution comprising the first component nucleic acid molecule onto a coordinate on a substrate, and a second printhead configured to dispense a second droplet of a second solution comprising the second component nucleic acid molecule onto the coordinate on the substrate, such that the first and second component nucleic acid molecules are collocated on the substrate. The system may include a finisher that dispenses a reaction mix onto the coordinate on the substrate to physically link the first and second component nucleic acid molecules, provides a condition necessary to physically link the first and second component nucleic acid molecules, or both.

LIQUID DISCHARGE APPARATUS AND LIQUID DISCHARGE METHOD
20220111638 · 2022-04-14 · ·

A liquid discharge apparatus includes a liquid discharge unit, a position detector, and circuitry. The liquid discharge unit has a liquid discharge port and discharges a liquid from the liquid discharge port toward an object. The position detector detects a position of the liquid discharge unit relative to the object. The circuitry calculates a movement trajectory of the liquid discharge unit based on the position of the liquid discharge unit detected by the position detector. Further, the circuitry performs a first operation of causing the liquid discharge unit to move along the movement trajectory without discharging the liquid and performs a second operation of causing the liquid discharge unit to move along the movement trajectory while discharging the liquid to the object after the first operation.

Ink jet printing system
11285716 · 2022-03-29 · ·

The ink jet printing system may have a printing section and a maintenance section. The ink jet printing system may include at least one first alignment mark disposed in the printing section along a first direction, an ink jet head for discharging chemical liquid onto a substrate, at least one second alignment mark disposed in the maintenance section along a second direction perpendicular to the first direction, at least one first identification member disposed proximate to the ink jet head, the at least one first identification member identifying the at least one first alignment mark and the at least one second alignment mark, a gantry extended from the printing section to the maintenance section, the gantry moving the ink jet head between the printing section and the maintenance section, at least one second identification member disposed proximate to the gantry, the at least one second identification member identifying discharging points of the chemical liquid in the maintenance section, and a control member for correcting discharging points of the chemical liquid discharged from the ink jet head onto the substrate in the printing section based on a result that the at least one second identification member identifies the discharging points in the maintenance section.

Liquid discharge apparatus
11273633 · 2022-03-15 · ·

The control section outputs a first output value as an output value which corresponds to the first nozzle group when a first input value is input as an input value which corresponds to the first nozzle group, and outputs a second output value as an output value which corresponds to the second nozzle group when the first input value is input as an input value which corresponds to the second nozzle group, the second output value being larger than the first output value.

INK JET PRINTER OVERSPRAY TECHNIQUES

Techniques for handling and reducing ink overspray of an ink jet printer are provided. In an example, an ink overspray collector for an ink jet printer can include a first opening defining a first print area of the ink jet printer, and a frame about the first opening. The frame is configured to receive overspray from operation of the ink jet printer and can be formed of a woven material. In some examples, a controller of the ink jet printer can reduce an amount of ink ejected near the edges of the print media to reduce overspray.

Printing apparatus, registration adjustment method, and storage medium
11292268 · 2022-04-05 · ·

A control unit controls a print head to print a print image by ejecting ink through a nozzle to form dots on a print medium and a movement unit to impart relative movement between the print head and the print medium to print a print image on the print medium. The control unit obtains a dot adjustment value in the predetermined print operation based on the measurement result of a measurement unit measuring a first pattern composed of a print image printed by the predetermined print operation including the relative movement, and a second adjustment value for adjusting dot printing positions in the predetermined print operation in a unit of length shorter than in the adjustment using the first adjustment value based on a second pattern printed by the predetermined print operation in a density according to density information on the first pattern, measured by the measurement unit.