A thermal printhead includes a substrate having an obverse surface, a projection formed on the obverse surface and extending in a primary scanning direction, a plurality of heating elements arranged in the primary scanning direction on the top of the projection, a groove dented from the top of the projection and extending in the primary scanning direction, and a heat storage member filling at least an opening of the groove.

The present disclosure provides a thermal print head and a method manufacturing thereof and a thermal printer including the thermal print head, which are capable of suppressing low manufacturing efficiency and enhancing wear-resistance against a recording medium. The thermal print head includes: a substrate, having a main surface facing a thickness direction; a resistance layer, including multiple heating portions arranged in a main scan direction and formed on the main surface; a wiring layer, formed on the resistance layer and connected to the heating portions; and a protection layer, covering a part of the main surface, the heating portions and the wiring layer.

A thermal print head includes: a substrate; a resistor layer supported by the substrate and including a plurality of heat generating portions arranged in a main scanning direction; a wiring layer supported by the substrate and forming an energizing path to the plurality of heat generating portions; and an insulating layer interposed between the substrate and the resistor layer, wherein the substrate has a cavity portion overlapping the plurality of heat generating portions when viewed in a thickness direction of the substrate.

A thermal print head includes a substrate; a protrusion formed on an obverse surface of the substrate and extending in a main scanning direction; heat generating parts disposed on a top surface of the protrusion and arranged along the main scanning direction; and columnar heat storage members embedded in the protrusion and disposed in a given area having a width in a sub-scanning direction and being elongated in the main scanning direction. Each of the columnar heat storage members is elongated in a thickness direction of the substrate and has an upper end and a lower end, with the upper end being disposed at the same level of the top surface of the protrusion.

The present disclosure provides a method for manufacturing a thermal print head. The method includes: forming an electrode layer on a substrate; and forming a resistor layer including a plurality of heat generating portions connected to the electrode layer. The electrode layer includes a plurality of individual electrodes including a plurality of first striped portions extending in a secondary scan direction and spaced apart in a main scan direction, and a common electrode including a plurality of second striped portions extending in the secondary scan direction. The forming of the resistor layer includes: a coating process of applying a resistor paste in a stripe that overlaps the first striped portions and the second striped portions; a firing process of firing the resistor paste to form a resistor film; and a removal process of removing a removal region in the resistor paste or the resistor film.

The present disclosure provides a thermal print head and a method manufacturing the thermal print head, and a thermal printer including the thermal print head. The thermal print head includes: a substrate having a protruding surface; a resistance layer including multiple heating portions and a portion formed on the protruding surface; and a wiring layer conductive to the multiple heating portions. The thermal print head further includes a glaze layer having a pair of end edges arranged apart from each other in y direction and formed in contact with a top surface of the protruding surface. The multiple heating portions are formed on the glaze layer. When observed in z direction, each of the pair of end edges includes a receding section located closer to an inner side of the top surface than a junction of the top surface, and a pair of inclined surfaces of the protruding surface.

The present disclosure provides a thermal print head and a method manufacturing thereof and a thermal printer including the thermal print head, which are capable of suppressing low manufacturing efficiency and enhancing wear-resistance against a recording medium. The thermal print head includes: a substrate, having a main surface facing a thickness direction; a resistance layer, including multiple heating portions arranged in a main scan direction and formed on the main surface; a wiring layer, formed on the resistance layer and connected to the heating portions; and a protection layer, covering a part of the main surface, the heating portions and the wiring layer.

The present invention relates to a thermal printing device, which comprises a circuit board and a plurality of heating components. A plurality of installation strips are disposed from the top down and horizontally on the circuit board. A plurality of first installation grooves are disposed in the plurality of installation strips. Each of the plurality of first installation grooves includes a first end and a second end. When being disposed from the top down, the first end of one of the plurality of first installation grooves located below is aligned with, the second end of one of the plurality of first installation grooves located above. The plurality of heating components are disposed in the plurality of first installation grooves, respectively. One end of one of the plurality of heating components is disposed on the same plane with the other end of one of the adjacent plurality of heating components in the radial direction. By using the above structure, the problem of fine seams between wide heating components can be solved and hence improving the printing quality.

Disclosed is an assembly line for processing products. The line includes, on one hand, a plurality of consecutive stations for processing the products and, on the other hand, a moving unit for moving the products between the stations within the line, in particular from an upstream station in which the products have just been processed, to a downstream station in which the products must later be processed. The moving unit essentially includes at least one self-contained, self-supported, movable carriage moving on the ground and having the products resting thereon during the movement thereof within the line. Also disclosed is a corresponding implementation method and to a corresponding use of the carriages.

A thermal printhead includes a substrate, a protrusion formed on an obverse surface of the substrate and extending in a main scanning direction, a heat storage layer formed on a top surface of the protrusion, and a plurality of heat-generating parts arranged along the main scanning direction on the heat storage layer. The substrate and the protrusion are integrally formed from a single-crystal semiconductor.