Abstract: A liquid discharge head including an energy generating element configured to generate energy required for discharging a liquid, a substrate having the energy generating element formed thereon, and an orifice member provided on the substrate and including a plurality of discharge ports facilitating discharging the liquid and a plurality of flow paths communicating respectively with the plurality of discharge ports. The orifice member is constituted by a first resin forming a portion connected to at least the substrate and a second resin connected to the first resin and forming the plurality of discharge ports, and the first resin includes a silane material in a larger amount than the second resin.

Abstract: A liquid discharge recording head includes a flow passage forming member having discharge ports and a flow passage, the discharge ports configured to discharge droplets, the flow passage communicating with the discharge ports. The flow passage forming member also has a first opening and a second opening, the first opening provided at a surface of the flow passage forming member with the discharge ports, the second opening causing the inside of the first opening to communicate with the outside of the flow passage forming member through a communication passage.

Abstract: An ink jet recording head includes an ejection outlet for ejecting ink; an energy generating element, provided on a silicon substrate, for generating energy for ejecting the ink from the ejection outlet; an ink flow passage, provided correspondingly to the energy generating element, communicating with the ejection outlet; a through hole passing through the silicon substrate; and an ink supply port for supplying the ink supplied into the through hole to the ink flow passage. The ink supply port is formed with an extended member which contacts a bottom of a flow passage wall constituting the ink flow passage and extends into an opening of the through hole.

Abstract: In a printer of the invention, a plurality of head units each including a line thermal head having heat-generating elements arranged in a direction orthogonal to a conveying direction of a recording paper are arranged in the conveying direction of the recording paper. The head unit has an angle-adjusting mechanism that adjusts the angle between the conveying direction of the recording paper, and the arranging direction of the heat-generating elements, and a position-adjusting mechanism that slidingly moves thermal head in the arranging direction of the heat-generating elements. An angle-adjusting screw of the angle-adjusting mechanism and a position-adjusting screw of the position-adjusting mechanism are disposed at an external surface of the head unit, which is orthogonal to the line thermal head.

Abstract: A liquid ejecting head including a coating resin layer including a plurality of ejection outlets for ejecting liquid and flow paths which are in fluid communication with the ejection outlets, respectively; an energy generating element for generating energy for ejecting liquid; and an adhesion improving layer provided between the coating resin layer and the substrate, wherein the coating resin layer further includes a first resin material layer closest to the substrate and at least one second resin material layer, and the first resin material layer provides at least one stepped portion continuing from a periphery of the second resin material layer.

Abstract: A method of manufacturing an ink jet recording head includes the steps of: forming an adhesive layers and the side walls of a flow path on a substrate; pasting a dry film, which is a part of a flow path forming member, on the side walls; and forming discharge ports in the layer.

Abstract: Problems, which occur when printing is performed on the surface of a rotating disk using by using a print head arranged in the outer circumferential direction from the center of rotation, are resolved. Light emitting sections performs exposure in synchronism with rotational driving for rotating a medium, and pixels which are adjacent in the circumferential direction of rotation are exposed in a partially superimposed fashion by making the amount of movement in the circumferential direction along which the outermost circumference of the medium moves between exposures smaller than the width in the circumferential direction of the pixels formed by exposure. In a plurality of light emitting sections provided in an optical unit, the quantity of light for exposing a pixel on the inner circumferential side in the radial direction is set to be smaller than the quantity of light for exposing a pixel on the outer circumferential side in the radial direction for the respective exposure positions for the medium.

Abstract: A method of manufacturing an ink jet recording head includes the steps of forming adhesive layers and side walls of a flow path on a substrate; pasting a ceiling layer, which is a part of a flow path forming member, on the side walls; and forming discharge ports in the ceiling layer.

Abstract: A printer prevents color smear when a paper roll mounted on the printer is initially fed. The printer includes a plurality of printing units each having a thermal head and an ink ribbon, and a platen roller having an outer surface opposite the plurality of printing units. The platen roller can be rotated by a stepping motor. A printing medium is arranged on a roll at the most upstream side of the delivery path. A printed result of a predetermined printing length is obtained by sequentially transferring an ink to the printing medium from the upstream to the downstream printing units in an overlapping manner. The electrification period of the thermal head in each printing unit is controlled on the basis of an amount of rotation of the platen roller.

Abstract: A liquid discharge recording head in which a nozzle plate is formed from inorganic material can be manufactured at low cost and with good through-put. In the liquid discharge recording head, a nozzle plate formed from inorganic material is stacked on a front surface of a silicon substrate including heat generating resistor members for generating energy for discharging liquid and an electric circuit for driving the heat generating resistor members. The liquid can be supplied from a liquid supply port extending through the silicon substrate to flow paths provided between the silicon substrate and the nozzle plate. Recessed portions having predetermined depths are formed in regions of the surface of the silicon substrate, where the flow paths are formed, and discharge ports are formed above the recessed portions.

Abstract: A method of manufacturing a liquid discharge head including a plurality of passages on a substrate, the passages communicating with a plurality of discharge ports configured to discharge liquid. The method includes the step of forming first to fourth patterns, the first pattern having a shape of one passage of the passages, the second pattern having a shape of other passage of the passages, the third pattern being formed near the first pattern, the fourth pattern being formed near the second pattern, the first to fourth patterns being formed on the substrate. The method also includes coating the substrate with a cover layer covering the first to fourth patterns, removing the first pattern to form the one passage, and removing the second pattern to form the other passage.

Abstract: In a printer of the invention, a plurality of head units each including a line thermal head having heat-generating elements arranged in a direction orthogonal to a conveying direction of a recording paper are arranged in the conveying direction of the recording paper. The head unit has an angle-adjusting mechanism that adjusts the angle between the conveying direction of the recording paper, and the arranging direction of the heat-generating elements, and a position-adjusting mechanism that slidingly moves thermal head in the arranging direction of the heat-generating elements. An angle-adjusting screw of the angle-adjusting mechanism and a position-adjusting screw of the position-adjusting mechansim are disposed at an external surface of the head unit, which is orthogonal to the line thermal head.

Abstract: A liquid ejection head and a method of forming the same. The liquid ejection head includes a substrate, an ejection port, a liquid channel, and a supply port. The substrate has, above one side thereof, an energy generating element configured to generate energy used to eject liquid. The ejection port, from which a liquid is ejected, is located at a position corresponding to the energy generating element. The liquid channel communicates with the ejection port and penetrates the substrate from the one side to another side of the substrate. The supply port communicates with the liquid channel. The substrate has a projecting layer extending inward of an inner peripheral portion of an opening in the supply port in the one side, and the projecting layer and the energy generating element are formed of the same material.

Abstract: When forming an image by developing a color development layer that reacts to a light, the image formation processes (color development, color erasure, and/or fixing) that can be performed simultaneously with information recording are performed in the same period as that of the information recording to reduce the time required for image formation. An image formation device that forms an image by developing a color development layer reacting to a light comprises a color development unit that develops colors by focusing a light on the color development layer, color erasure units that selectively erase the developed colors by focusing a light on the developed color development layer, and a fixing unit that fixes an image formed by the color erasure wherein the color development unit and/or the fixing unit performs processing in a period in which information is recorded on the recording medium on which the color development layer is provided.

Abstract: A method of manufacturing an ink jet head which discharges ink, comprising: a step of preparing a silicon substrate; a step of forming a membrane having a layer in which a plurality of holes are disposed to constitute a filter mask, and a layer with which a first surface is coated in such a manner that the first surface is not exposed from the plurality of holes on the first surface of the substrate; a step of forming a close contact enhancing layer on the membrane formed on the substrate; a step of forming a channel constituting member on the close contact enhancing layer to constitute a plurality of discharge ports and a plurality of ink channels communicating with the plurality of discharge ports; a step of forming an ink supply port communicating with the plurality of ink channels in the silicon substrate by anisotropic etching from a second surface facing the first surface of the substrate; and a step of forming a filter in a portion of the close contact enhancing layer positioned in an opening of the in

Abstract: A method of manufacturing an ink jet head which discharges ink, comprising: a step of preparing a silicon substrate; a step of forming a membrane having a layer in which a plurality of holes are disposed to constitute a filter mask, and a layer with which a first surface is coated in such a manner that the first surface is not exposed from the plurality of holes on the first surface of the substrate; a step of forming a close contact enhancing layer on the membrane formed on the substrate; a step of forming a channel constituting member on the close contact enhancing layer to constitute a plurality of discharge ports and a plurality of ink channels communicating with the plurality of discharge ports; a step of forming an ink supply port communicating with the plurality of ink channels in the silicon substrate by anisotropic etching from a second surface facing the first surface of the substrate; and a step of forming a filter in a portion of the close contact enhancing layer positioned in an opening of the in

Abstract: The method of manufacturing a recording head has a flow path wall forming step of forming flow path walls on a substrate having energy generating elements formed thereon, an imbedded material depositing step of depositing an imbedded material between the flow path walls and on a top of each flow path wall, a flattening step of polishing a top of the deposited imbedded material, until the top of the flow path wall is exposed, and a step of forming an orifice plate on the tops of the polished imbedded material and the exposed flow path wall. In the step of forming the flow path walls, patterning of a close contact property improvement layer is simultaneously performed to improve a close contact property between the flow path wall and the substrate.

Abstract: The ink jet head producing method includes: forming a first flow path forming member in a portion constituting a flow path side wall, which constitutes at least a partitioning portion between flow paths on a substrate; forming a pattern as a mold for the flow path; wherein the pattern is formed over the substrate and a portion of the first flow path forming member, constituting a flow path side wall, and a portion constituting the flow path side wall is covered with the pattern and another portion is not covered with the pattern; forming a second flow path forming member on the first flow path forming member and the pattern; wherein the second flow path forming member is formed by a material corresponding to the first flow path forming member; forming the discharge port in the second flow path forming member; and forming the flow path by removing the pattern.

Abstract: To provide a thermal printer capable of easily improving a recording quality, a plurality of recording units, arranged along a carrying path of a recording medium, are respectively provided with a recording head, a platen which opposes the recording head with the carrying path interposed therebetween and is brought into contact with and separated from the recording head, a carrying unit including a carrying roller arranged on the downstream side of the recording head, and a friction unit including a friction roller arranged on the downstream side of the carrying unit in order to prevent the disturbance generated on the downstream side from propagating upstream via the recording medium, between the respective recording units.

Abstract: A method of manufacturing an ink jet head which discharges ink, comprising: a step of preparing a silicon substrate; a step of forming a membrane having a layer in which a plurality of holes are disposed to constitute a filter mask, and a layer with which a first surface is coated in such a manner that the first surface is not exposed from the plurality of holes on the first surface of the substrate; a step of forming a close contact enhancing layer on the membrane formed on the substrate; a step of forming a channel constituting member on the close contact enhancing layer to constitute a plurality of discharge ports and a plurality of ink channels communicating with the plurality of discharge ports; a step of forming an ink supply port communicating with the plurality of ink channels in the silicon substrate by anisotropic etching from a second surface facing the first surface of the substrate; and a step of forming a filter in a portion of the close contact enhancing layer positioned in an opening of the in