Fujifilm Corporation

Fuji Photo Film Company, Limited

Hisamitsu Hori

Kenichi Kodama

Tsuyoshi Mita

Hiroshi Uemura

Atsushi Uejima

Sumihiro Nishihata

The inkjet recording apparatus includes: a conveyance device which conveys a recording medium; a drying air flow spraying device which sprays a drying air flow onto the recording medium while the recording medium is conveyed by the conveyance device; a negative pressure suctioning device which opposes the drying air flow spraying device, and suctions a rear surface of the recording medium and suctions at least a portion of the drying air flow sprayed by the drying air flow spraying device while the recording medium is conveyed by the conveyance device; and an inkjet head which ejects ink to be deposited on the recording medium.

Inkjet recording apparatus and inkjet recording method

The fixing processing apparatus includes: a conveyance device which conveys a recording medium in a prescribed conveyance direction along a conveyance path, a desired image having been recorded in an image formation region on an image formation surface of the conveyed recording medium; a heat and pressure fixing device which is arranged in the conveyance path and carries out heat and pressure fixing process in which the image formation surface of the recording medium is subjected to at least one of heating process, pressing process and non-pressing process, the heat and pressure fixing device applying pressure to the image formation region in the pressing process, the heat and pressure fixing device applying no pressure to the image formation region in the non-pressing process; and a setting device which sets a temperature of the heat and pressure fixing device to be higher in the non-pressing process than in the pressing process.

Fixing processing apparatus, inkjet recording apparatus and fixing processing method

A liquid application method includes: an application liquid supplying step of supplying an application liquid to an outer circumferential surface of a roller member which is driven to rotate; a blade abutting step of abutting a blade member against the outer circumferential surface of the roller member so as to remove the application liquid supplied in the application liquid supplying step; and a blade abutment and separation control step of controlling an operation of abutting and an operation of separating the blade member in the blade abutting step.

Liquid application method, liquid application apparatus and image forming apparatus

An image forming apparatus which forms an image includes: an intermediate transfer body which is conveyed in a conveyance direction; a washing liquid application device which applies a washing liquid on the intermediate transfer body; a first wiping device which is arranged on a downstream side of the washing liquid application device in terms of the conveyance direction of the intermediate transfer body, the first wiping device abutting against the intermediate transfer body to wipe away the washing liquid on the intermediate transfer body; a second wiping device which is arranged on a downstream side of the first wiping device in terms of the conveyance direction of the intermediate transfer body, the second wiping device abutting against the intermediate transfer body to wipe away the washing liquid on the intermediate transfer body; and a control device which controls the first and second wiping devices so that the first wiping device abuts against the intermediate transfer body when the image is being formed, and the first wiping device separates from the intermediate transfer body while the second wiping device abuts against the intermediate transfer body when the image is not being formed.

Image forming apparatus and control method for image forming apparatus

An inkjet recording apparatus has: an inkjet head which has an ink ejection surface and ejects droplets of an ink from the ink ejection surface onto a recording medium; a pressure drum which is disposed in a position opposing the ink ejection surface of the inkjet head, has a round cylindrical circumferential surface in which a recording medium holding position and a non-holding position are provided, an opening section corresponding to an ink ejection width of the inkjet head in the non-holding position where the recording medium is not held, a suction flow channel that is connected to the opening section and provided integrally with the opening section inside the pressure drum, and holds and rotates the recording medium at the recording medium holding position in such a manner that the recording medium is conveyed in a circumferential direction of the pressure drum; and a suctioning device which suctions the opening section and the suction flow channel at least in a droplet ejection region where the droplets of the ink are ejected from the inkjet head.

Inkjet recording apparatus and head maintenance method

A liquid application apparatus includes: a roller member which is driven so as to rotate in a rotational direction; an application liquid supply device which supplies an application liquid onto a portion of the roller member while the roller member is rotating; a blade member which is arranged so as to abut against a circumferential surface of the roller member at an abutment position that is on a downstream side of the application liquid supply device in terms of the rotational direction of the roller member, the blade member wiping away an excess of the supplied application liquid on the roller member; a substitute fluid spray device which is arranged on a downstream side of the abutment position of the blade member in terms of the rotational direction of the roller member, the substitute fluid spray device spraying a substitute fluid onto a region of the circumferential surface of the roller member so as to remove the application liquid on the region of the circumferential surface of the roller member after the roller member passing the abutment position of the blade member, the substitute fluid including one of gas and liquid that is different from the application liquid; and a substitute fluid spray control device which controls the substitute fluid spray device to spray the substitute fluid.

Liquid application apparatus and method, and image forming apparatus

A method of manufacturing a liquid ejection head, includes forming a first substrate into a curved shape so as to form a portion of a substantially cylindrical shape, the first substrate being provided with a liquid flow channel of liquid and a drive wire for supplying a drive signal to a piezoelectric element; forming a second substrate into a curved shape so as to form a portion of a substantially cylindrical shape, the second substrate forming a pressure generating chamber for ejecting the liquid and a diaphragm which forms a surface of the pressure generating chamber; forming the piezoelectric element on the diaphragm at a position corresponding to the pressure generating chamber; forming an ejection port plate on an opposite side across the pressure generating chamber from the diaphragm; and bonding together the first substrate and the second substrate.

Method of manufacturing a liquid ejection head

The ejection head comprises: n (where n is an integer not less than 2) pieces of ejection aperture groups arranged in a sub-scanning direction, each of the groups including ejection aperture rows arranged at prescribed intervals in a main scanning direction, each of the ejection aperture rows including a plurality of ejection apertures aligned in an oblique direction with a prescribed angle &#x3b8; (where 0&#xb0;&#x3c;&#x3b8;&#x3c;90&#xb0;) with respect to the main scanning direction, wherein: the ejection aperture groups are arranged in such a manner that phases of the ejection aperture groups disposed adjacently in the sub-scanning direction are varied in the main scanning direction so that, in projected ejection aperture rows that are obtained by projecting the ejection apertures of each of the ejection aperture groups to dispose the ejection apertures in the main scanning direction, one of the ejection apertures in one of the groups arranged adjacently in the sub-scanning direction is located between the adjacent ejection apertures in the other of the ejection aperture groups.

Ejection head, image forming apparatus and image forming method

The discharging head for discharging liquid onto a discharge receiving medium includes a vibration plate forming at least a portion of a pressure chamber storing liquid to be discharged and a piezoelectric element, joined to the vibration plate, for generating a pressure forming a discharge force for discharging liquid inside the pressure chamber. A recess is formed in the approximate center of the region of the vibration plate where the piezoelectric element is installed.

Liquid discharging head with recess in vibration plate

The liquid discharge head comprises: a plurality of ejection ports which eject liquid; a plurality of pressure chambers which communicate respectively with the plurality of ejection ports; a plurality of piezoelectric elements which deform the plurality of pressure chambers respectively and are provided on a side of the pressure chambers opposite to a side on which the ejection ports are formed; a common liquid chamber which supplies the liquid to the plurality of pressure chambers and is formed on a side of the piezoelectric element opposite to the pressure chambers; and a plurality of electric wires which stand upright from and substantially perpendicular to a surface on which the piezoelectric elements are mounted, the electric wires passing through a partition wall of the common liquid chamber and being electrically connected to the piezoelectric elements, the electric wires being formed by inserting wiring material for forming the electric wires into holes provided in the partition wall of the common liquid chamber.

Liquid ejection head, manufacturing method thereof, and image forming apparatus

The liquid ejection head comprises: a plurality of ejection ports through which liquid is ejected; a plurality of pressure chambers which are connected respectively to the ejection ports; a common liquid chamber in which the liquid to be supplied to the pressure chambers is accumulated; a plurality of supply flow channels which connect the common liquid chamber to the pressure chambers; and a plurality of supply restrictors each of which constitutes at least a portion of each of the supply flow channels, wherein at least a portion of one of the ejection ports connected to one of the pressure chambers and a portion of one of the supply restrictors connected to the one of the pressure chambers are processed by means of the same laser beam.

Liquid ejection head, liquid ejection apparatus and image forming apparatus

The liquid droplet discharge head comprises: a plurality of liquid chambers formed with nozzles which discharge droplets of liquid, the plurality of liquid chambers being arranged two-dimensionally; a plurality of liquid pressure application devices each of which causes the droplet of the liquid of a prescribed volume to be discharged from a corresponding one of the nozzles; at least two main flow channels including flow channel ports which function as connection ports forming at least one of a liquid supply port and a liquid output port; and a plurality of branch flow channels which are connected to the main flow channels and to the liquid chambers and which supply the liquid to the liquid chambers, wherein each of the at least two main flow channels has the flow channel ports formed at both end sections thereof, and the plurality of branch flow channels span respectively between the at least two main flow channels.

Liquid droplet discharge head and liquid droplet discharge device

The liquid ejection head includes: a plurality of ejection ports which eject liquid; a plurality of pressure chambers which respectively communicate with the ejection ports; a plurality of piezoelectric elements which respectively deform the plurality of pressure chambers and are provided to faces of the pressure chambers opposite to faces on which the ejection ports are formed; a common liquid chamber which supplies the liquid to the plurality of pressure chambers and is formed on a side of the piezoelectric element opposite to the pressure chamber; a plurality of through-hole wires which stand substantially perpendicular to the faces on which the piezoelectric elements are mounted, the through-hole wires running through a partition wall of the common liquid chamber and being electrically connected to the piezoelectric elements in connecting portions, respectively; and a spherical member which has a conductive coating and is disposed in each of the connecting portions, wherein a recess is formed on a side of the piezoelectric element facing the through-hole wire in each of the connecting portions.

Liquid ejection head and manufacturing method thereof

The exposure apparatus includes: a light source which emits parallel light having a wavelength used for exposure; a photomask which includes a substrate, an optical shielding layer and an optical selective layer, the substrate being capable of transmitting the light of the wavelength, the optical shielding layer being made of a material not transmitting the light of the wavelength, the optical selective layer selectively transmitting light in accordance with a shape to be formed by the exposure, the optical shielding layer and the optical selective layer being arranged on a first side of the substrate; a photomask stage which holds the photomask of which the first side has been coated with photosensitive material, in such a manner that the light emitted from the light source falls on a second side of the photomask reverse to the first side and is projected to the photosensitive material on the first side; a photomask rotation device which rotates the photomask stage on an axis perpendicular to the second side of the photomask; and a photomask tilt device which is capable of tilting the photomask held on the photomask stage in such a manner that the light emitted from the light source falls perpendicularly and obliquely on the second side of the photomask.

Exposure apparatus

The liquid ejection head includes a plate having a plurality of ejection ports which eject a liquid, a plurality of pressure chambers which respectively connect to the ejection ports, a plurality of piezoelectric elements which respectively deform the pressure chambers, a plurality of thin plates formed with a plurality of flow channels for the liquid, a common liquid chamber which respectively supplies the liquid to the pressure chambers and a plurality of electric wires which respectively transfer a drive signal to the piezoelectric elements. The piezoelectric elements are provided on a side of the pressure chambers opposite to a side on which the ejection ports are formed and the common liquid chamber is formed in an opposite side to the pressure chambers with respect to the piezoelectric elements The drive signal drive the piezoelectric elements for deforming the pressure chambers, the common liquid chamber is a space which is formed by laminating the thin plates together and the electric wires are formed in opening portions formed in parts of portions on which the laminated thin plates overlap to each other. The electric wires are formed so as to rise upward in a substantially perpendicular direction to a surface on which the piezoelectric elements are disposed.

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Kanagawa, Japan

Hisamitsu Hori