A continuous inkjet printer (10, 100) has an ink drop generator (12, 112a, 112b) to generate a stream of ink drops (24), deflection means (14, 16, 18, 20, 114, 115, 116, 118a, 118b, 120) to direct each drop of the stream of ink drops either to a gutter (28) or to one of a plurality of default print positions in a stroke direction (30) on a substrate (26, 126), and input means (22, 122) to receive an indication of an offset. The deflection means, in dependence upon the indication of the offset, direct drops that would otherwise be directed to default print positions to offset print positions on a substrate (26, 126), the offset print positions being displaced in the stroke direction 30 by the offset from the default print positions. The input means (22, 122) may also receive an indication of a print height scaling factor and the deflection means (14, 16, 18, 20, 114, 115, 116, 118a, 118b, 120), in dependence upon the indication of the print height scaling factor, direct drops that would otherwise be directed to default print positions to scaled print positions on a substrate (26, 126), the scaled print positions being displaced from the origin in the stroke direction (30) by displacements corresponding to displacements from the origin of the default print positions when scaled by the print height scaling factor.

An object of the present invention is to provide an inkjet recording device capable of adjusting a clearance between prints formed by two nozzles (114, 115), and capable of printing a print content at a high speed. In order to achieve the object, there is provided an inkjet recording device which has two sub-print heads including nozzles (114, 115), charging electrodes (116, 117), deflection electrodes (118, 119), and gutters (120, 121), in which the two nozzles are disposed in a deflection direction of ink particles, and which performs printing on a printed object (124) while moving the printed object (124) relative to the ink particles in a direction substantially perpendicular to the deflection direction of the ink particles, the inkjet recording device having a function for reducing a clearance between print results (125, 126), printed by the two nozzles (114, 115), by controlling a voltage applied to the charging electrodes (116, 117) and a voltage applied to the deflection electrode (118, 119).

A droplet forming device is provided. The droplet forming device includes a liquid holder configured to hold a liquid, a film having a discharge hole, two or more vibration generators configured to vibrate the film, and a driver configured to apply a driving signal to the vibration generators. One or more of the vibration generators are disposed in each region on the film where a polarity of bending moment differs.

A method for the electrohydrodynamic deposition of carbonaceous materials utilizing an electrohydrodynamic cell comprising two electrodes comprised of a conductive material, by first combining a solid phase comprising a carbonaceous material and a suspension medium, placing the suspension between the electrodes, applying an electric field in a first direction, varying the intensity of the electric field sufficiently to drive lateral movement, increasing the electrical field to stop the lateral transport and fix the layers in place, then removing the applied field and removing the electrodes. Among the many different possibilities contemplated, the method may advantageously utilize: varying the spacing between the electrodes; removing the buildup from one or both electrodes; placing the electrodes into different suspensions; adjusting the concentration, pH, or temperature of the suspension(s); and varying the direction, intensity or duration of the electric fields.

A method for the electrohydrodynamic deposition of carbonaceous materials utilizing an electrohydrodynamic cell comprising two electrodes comprised of a conductive material, by first combining a solid phase comprising a carbonaceous material and a suspension medium, placing the suspension between the electrodes, applying an electric field in a first direction, varying the intensity of the electric field sufficiently to drive lateral movement, increasing the electrical field to stop the lateral transport and fix the layers in place, then removing the applied field and removing the electrodes. Among the many different possibilities contemplated, the method may advantageously utilize: varying the spacing between the electrodes; removing the buildup from one or both electrodes; placing the electrodes into different suspensions; adjusting the concentration, pH, or temperature of the suspension(s); and varying the direction, intensity or duration of the electric fields.

An alignment system, in an example, may include a substrate comprising at least one nanowell, at least one fluid ejection device comprising at least one die, the at least one die comprising as least one nozzle, and an alignment device to align the at least one nozzle to the at least one nanowell.

Provided are a method for operating a CIJ printer with an optical monitoring means (80) having the steps of generating a bitmap (90,180) of the printed image to be printed, sequential controlling of charge electrodes (25) and/or deflection electrodes (30) of the CIJ printer, in order to generate dots or groups of dots of the bitmap (90,190) by applying ink droplets (12) to a substrate (100) to be printed and thus to sequentially apply a real printed image (195) to the substrate (100), capturing the real printed image (195) applied to the substrate (100) with the optical monitoring means (80), and automated comparing of the bitmap (90,190) of the desired printed image and of the real printed image (195) which has been applied to the substrate (100) and has been captured with the optical monitoring means (80), wherein the bitmap (90,190) of the desired printed image and the real image applied to the substrate (100) are automatically compared either on the basis of rows or columns of the bitmap (90,190) or on the basis of components of rows or columns of the bitmap (90,190), a CIJ printer for carrying out such a method and a method for teaching-in an optical monitoring means (80) of such a CIJ printer.

Provided are a method for operating a CIJ printer with an optical monitoring means (80) having the steps of generating a bitmap (90,180) of the printed image to be printed, sequential controlling of charge electrodes (25) and/or deflection electrodes (30) of the CIJ printer, in order to generate dots or groups of dots of the bitmap (90,190) by applying ink droplets (12) to a substrate (100) to be printed and thus to sequentially apply a real printed image (195) to the substrate (100), capturing the real printed image (195) applied to the substrate (100) with the optical monitoring means (80), and automated comparing of the bitmap (90,190) of the desired printed image and of the real printed image (195) which has been applied to the substrate (100) and has been captured with the optical monitoring means (80), wherein the bitmap (90,190) of the desired printed image and the real image applied to the substrate (100) are automatically compared either on the basis of rows or columns of the bitmap (90,190) or on the basis of components of rows or columns of the bitmap (90,190), a CIJ printer for carrying out such a method and a method for teaching-in an optical monitoring means (80) of such a CIJ printer.

A method for enabling marking of a pattern on a substrate with an industrial printer includes executing a genetic algorithm based on the pattern to be marked on the substrate. A result of the genetic algorithm indicates a resulting path which the industrial printer should follow when marking the pattern on the substrate. It is determined if the resulting path fulfills at least one criterion of: the resulting path matches an optimal path for marking the pattern, the resulting path substantially matches the optimal path, or a time spent for executing the genetic algorithm has reached or exceeded a threshold.

A method for enabling marking of a pattern on a substrate with an industrial printer includes executing a genetic algorithm based on the pattern to be marked on the substrate. A result of the genetic algorithm indicates a resulting path which the industrial printer should follow when marking the pattern on the substrate. It is determined if the resulting path fulfills at least one criterion of: the resulting path matches an optimal path for marking the pattern, the resulting path substantially matches the optimal path, or a time spent for executing the genetic algorithm has reached or exceeded a threshold.