B41J2/04526

Ink jet printing method printing a test substrate and a printing target

A high precision printing method taking into consideration the variance in the thickness of a printing target. An ink-jet printing method, including: (i) measuring a distance between a printing target and at least one nozzle; (ii) measuring a flying speed and a flying angle of an ink(a) discharged from the at least one nozzle; (iii) printing a test substrate with an ink to identify a location on which an ink(b) is spotted, and calculating a thickness-related displacement that is a displacement from the location on which the ink is spotted, based on a thickness difference between the printing target and the test substrate from results obtained in Step (i), and the flying speed and the flying angle of the ink(a) obtained in Step (ii); and (iv) discharging an ink(c) from the at least one nozzle to achieve actual printing of the printing target with the ink(c) while correcting the thickness-related displacement.

PRINTING METHOD AND ROBOT SYSTEM
20240173962 · 2024-05-30 ·

A printing method for printing a plurality of lines using an ink ejection head that ejects ink; a robot that relatively moves the ink ejection head along a printing direction with respect to an object; and a detection section that detects a relative track of the ink ejection head with respect to an object, the printing method including an overlap width setting step of the detection section acquiring an undulation amount of the track in a direction orthogonal to the printing direction, and of setting an overlap width of the track when printing the plurality of lines based on the acquired undulation amount and a printing step of printing the plurality of lines on an object while the ink ejection head relatively moves so as to generate an overlap corresponding to the overlap width in printing the plurality of lines.

METHOD FOR CONTROLLING A PRINTHEAD
20240173963 · 2024-05-30 ·

A method of printing an image onto a surface using a printhead carried by a robot arm, including: obtaining an image which exceeds the predetermined print width of the printhead; splitting the image into at least two image strips, each contained within a reduced print width which is less than the predetermined print width, and generating associated printhead paths; detecting a deviation from the printhead paths when the robot arm is fed with a first control signal in a dry run; modifying the image strips to compensate the detected deviation by applying a local lateral shift; and printing the modified image strips onto the surface while the robot arm is fed with a control signal that is equivalent to the first control signal.

Liquid discharge apparatus and control method for liquid discharge apparatus

liquid discharge apparatus includes a liquid discharge head including a plurality of electrodes arranged in parallel, a common electrode positioned to face the liquid discharge head, and a control unit configured to control a voltage to be applied to each of the plurality of electrodes to control the plurality of electrodes as a discharging electrode, which is to discharge a liquid, or as a non-discharging electrode, which is to discharge no liquid, wherein the control unit adjusts a value of the voltage to be applied to the electrode that is to be driven as the non-discharging electrode, based on the voltage to be applied to the electrode adjacent to the electrode that is to be driven as the non-discharging electrode.

PRINTER AND PRINTING METHOD
20190160834 · 2019-05-30 · ·

Disclosed is a printer that performs inkjet printing, and the printer includes an inkjet head and a medium transport unit. In this printer, the medium transport unit has an electrostatic adsorption belt which is an adsorption member that electrostatically adsorbs a medium and a charging member that charges at least a portion of the electrostatic adsorption belt. The charging member has a unipolar charging section that charges a head facing region of the electrostatic adsorption belt and a bipolar charging section that charges a non-facing region that is at least a portion of a portion other than the head facing region of the electrostatic adsorption belt. The unipolar charging section charges the head facing region such that a region facing the inkjet head on a surface of the medium is charged to either a positive or a negative polarity, and the bipolar charging section bipolarly charges the non-facing region.

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.

Ink jetting apparatus with multi-nozzles
10272670 · 2019-04-30 · ·

The present disclosure relates to an ink jetting apparatus with multi-nozzles, the apparatus including a liquid droplet generating unit configured to generate liquid droplets from ink and jet the liquid droplets through the multi-nozzles, and an evaporation control unit configured to guide the liquid droplets jetted from the multi-nozzles to protect the liquid droplets from thermal and physical disturbance and control evaporation of the liquid droplets.

Liquid droplet ejection head and liquid droplet ejection apparatus
10259219 · 2019-04-16 · ·

A liquid droplet ejection head includes: a main body member that includes a nozzle that ejects a liquid droplet, a first pressure chamber that is linked to the nozzle, and a second pressure chamber that is linked to the nozzle; a first piezoelectric element that pressurizes the first pressure chamber by applying a first voltage, and causes the liquid droplet to be ejected from the nozzle; and a second piezoelectric element that pressurizes the second pressure chamber by applying a second voltage which is equal to or higher than the first voltage, and deflects the direction of the liquid droplets ejected from the nozzle.

PRINTING APPARATUS AND METHOD OF CONTROLLING PRINTING APPARATUS
20240246334 · 2024-07-25 ·

A control unit performs stop control for stopping an interference detection unit to stop at a stop position when the interference detection unit detects interference as a result of performing first movement control for moving the interference detection unit to one side in a second direction, and performs second movement control for moving the interference detection unit to a predetermined position to the other side opposite to the one side in the second direction. The control unit performs the second movement control, and then performs third movement control for moving the interference detection unit to the one side again. The control unit performs adjustment control for causing a position adjustment unit to perform adjustment so that an interval between a head and a support surface is increased between the stop control and the third movement control.

SIMULATION DEVICE FOR SIMULATING THE PRINTING OF A PRINT SUBSTRATE WITH A PRINTING PATTERN, AND A CORRESPONDING METHOD
20240239112 · 2024-07-18 ·

A simulation device for simulating the printing of a printing pattern on a print medium, wherein the print medium includes at least one 3D surface portion to be printed on, with: a printhead specification module for specifying printhead parameters; an object specification module for specifying object parameters of the print medium; an ink specification module for specifying ink parameters of the printing ink; a pattern specification module for specifying the printing pattern; a path planning module for specifying path planning data for the print medium 1 and for the printhead; and a simulation central module for simulating the print on the 3D surface portion taking into account the printhead parameters, object parameters, ink parameters, path planning parameters and the printing pattern.