Abstract: A flexible wiring substrate includes a main substrate having flexibility, a main wiring disposed over the main substrate, a second protective sheet covering the main wiring, and an insulating member partially covering the main wiring exposed from the second protective sheet and being thinner in thickness than the second protective sheet.

Abstract: A head chip for an ink jet type image forming apparatus with an improved cooling structure is disclosed. The head chip includes a plurality of nozzles to eject ink, a plurality of heaters for ink ejection to apply heat to ink so that the ink is ejected through the plurality of nozzles, and a cooling channel to circulate a refrigerant around the plurality of heaters for ink ejection.

Abstract: Provided is a heating resistor element, including: an insulating substrate (9); a heat accumulating layer (10) bonded to a surface of the insulating substrate (9); and a heating resistor (11) provided on the heat accumulating layer (10), in which: on at least one of bonded surfaces between the heating substrate (9) and the heat accumulating layer (10), at least one of the insulating substrate (9) and the heat accumulating layer (10) is provided with a concave portion (16) in a region opposed to the heating resistor (11) to form a hollow portion (17); and the concave portion (16) has a curvature radius of 10 ?m or more at each corner thereof. Accordingly, occurrence of stress concentration caused by heat or a load can be suppressed to improve durability, and both a sufficient strength and heating efficiency are realized.

Abstract: Techniques for changing temperature of a platen are disclosed. In one particular exemplary embodiment, the techniques may be realized as an apparatus for changing temperature of a platen comprising a platen and one or more movable thermal pads comprising one or more thermal fluid channels to carry a thermal fluid configured to affect a temperature of the platen.

Abstract: The present invention has an object to reduce a thickness of a protecting film having a small thermal conductivity. A thermal head includes: a plurality of heat generating resistors formed via an insulating layer; a driver circuit unit for driving the plurality of heat generating resistors to generate a heat; a wiring for connecting the driver circuit unit to the plurality of heat generating resistors; a protecting film formed to cover the plurality of heat generating resistors, the driver circuit unit and the wiring, wherein the plurality of heat generating resistors, the driver circuit unit, the wiring 11 and the protecting film are formed on a substrate, and wherein a thermal conductor having a thermal conductivity larger than that of the protecting film is disposed on the protecting film, in opposition to each of the plurality of heat generating resistors.

Abstract: A layer of thermal insulator is disposed on at least one of an electrically insulating substrate, an adhesive layer and a heat dissipating plate downstream to heating elements on the substrate in a supply direction of a color thermal recording sheet when executing thermal recording. In a manner that the thermal insulator is provided, when executing thermal recording on color thermal recording sheet, heat generated at heating elements is dissipated outside neither from the distal end of the insulating substrate downstream in a supply direction of the insulating substrate nor from the heat dissipating plate through adhesive layer. Since reduction in temperature is suppressed downstream in a supply direction, condensation of steam or vapor is prevented on the protective layer located at topmost of the thermal head, so that printing failure can be avoided.

Abstract: A thermal head includes a metal substrate; an insulating layer formed on the surface of the metal substrate; a plurality of heating elements disposed on the surface of the insulating layer, the heating elements being arranged with a predetermined pitch along a plurality of lines in a main scanning direction, the plurality of lines being spaced from each other in a paper feeding direction perpendicular to the main scanning direction; and a heat radiating element projecting from the surface of the metal substrate to the side where the insulating layer is disposed. In this structure, although most of heat generated by the respective heating elements is transferred to an ink ribbon or print paper, residual partial heat is absorbed by heat radiating means via the insulating layer and radiated into the atmosphere. This suppresses thermal interference among the heating elements. A thermal head controller is provided for controlling the thermal head for use in a printer.

Abstract: A thermal development apparatus capable of preventing thermal development failure because of improvement on a characteristic required of a resilient member. The thermal development apparatus has: a heating section for heating thermal development photosensitive material within which a latent image is established, and maintaining temperature of the thermal development photosensitive material at thermal development temperature; and a conveyance section for conveying the thermal development photosensitive material with the heating section, wherein the heating section has a cylindrical sleeve, a heat source provided inside of the cylindrical sleeve, and a resilient member on an external surface of the cylindrical sleeve, and the resilient member has a smooth layer as an outermost layer thereof.

Abstract: A laser beam from an excimer laser is split into three beams along a first plane by a pair of prisms and the three beams are caused to intersect each other at the position of the object side focal point of a first cylindrical lens and be incident upon the first cylindrical lens. The three beams are respectively focused independently from each other by the first cylindrical lens. The above focused three beams are then focused along a second plane perpendicular to the first plane by a second cylindrical lens; then, the three beams are caused to superimpose each other on a mask and at the same time are brought to a defocus along the first plane and into focus again along the second plane by an anamorphic optical system containing a third cylindrical lens and a lens having a rotation symmetry, thereby a line-like illumination area extended in the first direction is formed on the mask.

Abstract: An optical scanning system includes a first lens for receiving a light beam from a light source and allowing the light beam to pass therethrough, and a polygon mirror having at least one reflection surface for deflecting the light beam from the first lens by reflecting the light beam on the reflection surface thereof. A second lens is provided for receiving the light beam from the polygon mirror and focusing the light beam on a first plane to be scanned. The second lens has a first surface facing toward the polygon mirror and a second surface facing toward the first plane.

Abstract: A thermal recording apparatus includes a laser beam generator for emitting a laser beam to record an image or the like on a thermosensitive recording medium, a preheating device for preheating the thermosensitive recording medium to a temperature lower than a coloring temperature thereof, an auxiliary scanning feeder for feeding the thermosensitive recording medium in an auxiliary scanning direction, and a controller for establishing a scanning interval employed when the image is to be recorded on the thermosensitive recording medium, depending on an amount of thermal deformation by which the thermosensitive recording medium is deformed when heated to the temperature lower than the coloring temperature. The thermal recording apparatus can record an image of desired dimensions on the thermosensitive recording medium without being adversely affected by shrinkage or expansion caused when the thermosensitive recording medium is heated before or after the image is recorded thereon.