Konica-minolta Holdings, Inc.

Konica Minolta, Inc.

Yoshifumi Takafuji

Naomi Kubo

Yuichi Machida

Yasuo Nishi

Koujiro Yoshida

Shigekazu Sakai

Eisuke Takagi

The object is to provide an inkjet head unit having: head chips having nozzles arranged on nozzle faces, and capable of discharging ink by respective independent pressure generating module from pressure chambers communicating with the nozzles; and a tabular head unit base on which the head chips are arranged and which is capable of holding the head chips, of abutting faces of the head unit base and the head chip, at least one of the abutting face on the head unit base side and the abutting face on the head chip side is formed in a stepped shape, so that the height of the abutting face of the head chip relative to the surface of the head unit base is partially changed, and the head chip is thereby attached to be inclined relative to the surface of the head unit base.

Inkjet head unit and inkjet recording device

An inkjet recording device is configured to cause a head control substrate to generate a first drive waveform signal and a second drive waveform signal. The first drive waveform signal is for applying, after 2 AL from finishing time of an ejection pulse Phaving a voltage Vand a pulse width AL, a cancel pulse Chaving a voltage V(&#x3c;V) of the same polarity as the ejection pulse to a head. The second drive waveform signal is for applying, from finishing time of an ejection pulse Pfollowing an ejection pulse Peach having a voltage Vand a pulse width AL, a cancel pulse Chaving a voltage V(&#x3c;V) of the same polarity as the ejection pulses to the head.

Inkjet recording device and method for generating drive waveform signal

An inkjet drawing apparatus includes a head module which holds a droplet jetting head provided with a nozzle for ejecting droplets, and which is unmovable in a horizontal direction, and a drawing table which supports a recording member on an upper surface, and which is movable in the horizontal direction. The inkjet drawing apparatus executes a prescribed drawing by ejecting the droplets onto the recording member from the droplet jetting head. A maintenance unit transfer mechanism is movable within a prescribed region including a position under the head module, and transfers a maintenance unit for conducting maintenance of the droplet jetting head toward the position under the head module, and executes positioning of the maintenance unit with respect to the droplet jetting head. A maintenance unit selecting/arranging mechanism selects one of a plurality of kinds of maintenance units, and places the selected maintenance unit on the maintenance unit transfer mechanism.

Inkjet drawing apparatus

An inkjet image-drawing device having: a head module having inkjet heads for forming a pattern on a substrate; a head module moving means; a substrate support stage; a substrate support stage moving means including first and second linear moving means, and a rotation moving means; an image pickup means which picks up an mage of the substrate; and an alignment adjusting means which picks up images of markers arranged on the substrate with the image pickup means, and moves the substrate support stage based on a result of the picking up images to adjust the alignment, wherein the image pickup means has, on the main body the device, a camera fixedly disposed outside of a moving range of the head module in the vector direction of the first linear moving means, and a camera fixedly disposed outside of the moving range, in the vector direction of the second linear moving means.

Inkjet image-drawing device

An inkjet drawing apparatus includes a head module which holds a droplet jetting head provided with a nozzle for ejecting droplets, and which is unmovable in a horizontal direction, and a drawing table which supports a recording member on an upper surface, and which is movable in the horizontal direction. The inkjet drawing apparatus executes a prescribed drawing by ejecting the droplets onto the recording member from the droplet jetting head. A maintenance unit transfer mechanism is movable within a prescribed region including a position under the head module, and transfers a maintenance unit for conducting a maintenance of the droplet jetting head toward the position under the head module, and executes positioning of the maintenance unit with respect to the droplet jetting head. A maintenance unit selecting/arranging mechanism selects one of a plurality of kinds of maintenance units, and places the selected maintenance unit on the maintenance unit transfer mechanism.

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Kodaira, Japan

Yoshifumi Takafuji