A pressure chamber of each of channels of an inkjet head has a non-rotating body shape around an axis perpendicular to a support substrate on which the pressure chamber is formed. The direction of the pressure chamber corresponding to a rotation angle from a reference position around the axis passing through the pressure chamber is defined as the direction of the pressure chamber. A plurality of channels arranged in a same row in a direction parallel to the substrate includes channels and having the pressure chamber facing different directions. In a same row, channels (e.g. channel 21a.sub.1) driven by a same circuit element (e.g. circuit element) are arranged such that the pressure chambers face a same direction.

A thermal inkjet ink set includes a pre-treatment fixing fluid, an ink, and a post-treatment fluid. The pre-treatment fixing fluid includes a metal salt. The ink includes an ink vehicle and a colorant. The post-treatment fluid includes a fluid vehicle and an anionic polyurethane acrylic hybrid polymer binder dispersed in the fluid vehicle. The anionic polyurethane acrylic hybrid polymer binder is present in an amount ranging from greater than 0 wt % to about 25 wt %. The anionic polyurethane acrylic hybrid polymer binder includes an acrylic polymer or copolymer, and an anionic polyurethane polymer encapsulating the acrylic polymer or copolymer.

The ink jet printing method includes applying an aqueous coloring ink composition onto a printing surface of a printing medium by being ejected from an ink jet head. The printing surface of the printing medium contains natural fibers and synthetic fibers.

A printer that includes a motor assembly for moving a print head relative to a medium, and a processor for receiving a data structure for a pixel to be printed on the medium. The data structure includes perception data and classification data for the pixel. The processor adjusts at least one printing parameter of the printer based upon the classification data.

Provided are a printed matter inspection device, a printed matter inspection method, a program, and a printing apparatus capable of suppressing erroneous detection in detection of a defect occurring in one direction. The printed matter inspection device and the printing apparatus include a print data acquisition unit that acquires print data, an imaging data acquisition unit that acquires imaging data of a printed matter, a registration processing unit that executes registration between the print data and the imaging data by applying a specified registration accuracy, and an inspection processing unit that acquires defect information of the imaging data based on the print data. A learning model that has been learned by using a disturbance-imparted learning data set having, as an input, disturbance-imparted imaging data in which a disturbance that shifts a position of the imaging data in a direction intersecting a relative transport direction between the printing section and the medium in the printing apparatus is imparted, and having defect information as an output is applied to the inspection processing unit.

Provided are a printed matter inspection device, a printed matter inspection method, a program, and a printing apparatus capable of suppressing erroneous detection in detection of a defect occurring in one direction. The printed matter inspection device and the printing apparatus include a print data acquisition unit that acquires print data, an imaging data acquisition unit that acquires imaging data of a printed matter, a registration processing unit that executes registration between the print data and the imaging data by applying a specified registration accuracy, and an inspection processing unit that acquires defect information of the imaging data based on the print data. A learning model that has been learned by using a disturbance-imparted learning data set having, as an input, disturbance-imparted imaging data in which a disturbance that shifts a position of the imaging data in a direction intersecting a relative transport direction between the printing section and the medium in the printing apparatus is imparted, and having defect information as an output is applied to the inspection processing unit.

The disclosure relates to a method and apparatus for preventing oxidation or contamination during a circuit printing operation. The circuit printing operation can be directed to OLED-type printing. In an exemplary embodiment, the printing process is conducted at a load-locked printer housing having one or more of chambers. Each chamber is partitioned from the other chambers by physical gates or fluidic curtains. A controller coordinates transportation of a substrate through the system and purges the system by timely opening appropriate gates. The controller may also control the printing operation by energizing the print-head at a time when the substrate is positioned substantially thereunder.

The disclosure relates to a method and apparatus for preventing oxidation or contamination during a circuit printing operation. The circuit printing operation can be directed to OLED-type printing. In an exemplary embodiment, the printing process is conducted at a load-locked printer housing having one or more of chambers. Each chamber is partitioned from the other chambers by physical gates or fluidic curtains. A controller coordinates transportation of a substrate through the system and purges the system by timely opening appropriate gates. The controller may also control the printing operation by energizing the print-head at a time when the substrate is positioned substantially thereunder.

In one example in accordance with the present disclosure, a fluidic die is described. The fluidic die includes a surface on which a number of nozzles are formed. An electrical interface on the fluidic die establishes an electrical connection between the fluidic die and a fluidic die controller. The electrical interface includes 1) a bond pad disposed within a bond pad region of the surface and 2) an electrical lead coupled to the bend pad to establish an electrical connection between the fluidic die and the fluidic die controller. The fluidic die also includes a beveled edge along an edge of the surface underneath the electrical lead.

In one example in accordance with the present disclosure, a fluidic die is described. The fluidic die includes a surface on which a number of nozzles are formed. An electrical interface on the fluidic die establishes an electrical connection between the fluidic die and a fluidic die controller. The electrical interface includes 1) a bond pad disposed within a bond pad region of the surface and 2) an electrical lead coupled to the bend pad to establish an electrical connection between the fluidic die and the fluidic die controller. The fluidic die also includes a beveled edge along an edge of the surface underneath the electrical lead.