Anti-carbon thermal printing head and thermal printer

Abstract

The utility model provides an anti-carbon thermal printing head and a thermal printer, and relates to the technical field of thermal printers. The anti-carbon thermal printing head comprises a base plate ground glaze, a heating body is printed and sintered on the base plate ground glaze, a first layer of glass glaze is printed and sintered on the base plate ground glaze and located on the periphery of the heating body, and a second layer of glass glaze is printed and sintered on the heating body and the first layer of glass glaze. Based on the technical scheme of the utility model, the carbon deposition prevention thermal printing head can reduce the carbon deposition amount of the thermal printing head, thereby reducing the influence of the carbon deposition problem on the printing concentration, the printing quality and the service life of the thermal printing head.

Description

TECHNICAL FIELD

[0001] The utility model relates to thermal printer technical field especially relates to a kind of anti-carbon thermal print head and thermal printer. BACKGROUND

[0002] Thermal print head is the main component of thermal printer, and the thermal printer selectively heats the determined position of thermal paper, thereby generating a pattern. The heating is provided by a small electronic heater on the print head in contact with the thermal material. The heater is scheduled in the form of points or strips, and is logically controlled by the printer. When driven, it generates a pattern corresponding to the heating element on the thermal paper. The same logic circuit that controls the heating elements also controls the paper feed, so it can print a pattern on the entire label or paper.

[0003] The existing thermal print head heating element protrusion, as shown in Figure 1 Scraping the coating on the surface of thermal paper causes carbon deposition, which affects the print density, print quality and service life of the thermal print head, and is relatively common. Therefore, a kind of anti-carbon thermal print head and thermal printer is needed, which can reduce the amount of carbon deposition of the thermal print head as much as possible, thereby reducing the influence of carbon deposition problem on the print density, print quality and service life of the thermal print head. SUMMARY

[0004] To solve the above problems in the prior art, the present application provides an anti-carbon thermal print head and thermal printer, which can reduce the amount of carbon deposition of the thermal print head as much as possible, thereby reducing the influence of carbon deposition problem on the print density, print quality and service life of the thermal print head.

[0005] In one aspect, the utility model provides a kind of anti-carbon thermal print head, and the anti-carbon thermal print head includes substrate bottom glaze, and the substrate bottom glaze is printed and sintered with heating element, and the substrate bottom glaze is printed and sintered with first layer glass glaze on the outer periphery of the heating element, and the heating element and the first layer glass glaze are printed and sintered with second layer glass glaze.

[0006] As a further improvement of the above technical solution:

[0007] The anti-carbon thermal print head described above, further, the thickness of the heating element and the thickness of the first layer glass glaze are equal.

[0008] The anti-carbon thermal print head described above, further, the thickness of the first layer glass glaze and the thickness of the second layer glass glaze are both 6.5±1 μm.

[0009] In another aspect, the utility model provides a kind of thermal printer, and the thermal printer has the anti-carbon thermal print head as described above.

[0010] The above technical features can be combined in various suitable manners or replaced by equivalent technical features, as long as the purpose of the present application can be achieved.

[0011] The anti-carbon deposition thermal sensitive print head and the thermal sensitive printer have at least the following beneficial effects compared with the prior art: the anti-carbon deposition thermal sensitive print head has the first layer of glass glaze printed and sintered on the outer periphery of the heating body, and the second layer of glass glaze printed and sintered on the heating body and the first layer of glass glaze is smoother than the prior thermal sensitive print head, so that the carbon deposition amount of the thermal sensitive print head can be reduced, and the influence of the carbon deposition problem on the printing density, the printing quality and the service life of the thermal sensitive print head can be reduced.

[0012] In order to make the above purpose, features and advantages of the present application more obvious and easy to understand, the following preferred embodiments are described in detail below, and the accompanying drawings are described as follows. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0014] In the following, the present application will be described in more detail based on the embodiments and with reference to the drawings. Among them:

[0015] Figure 1 The structure schematic diagram of the prior thermal sensitive print head is shown;

[0016] Figure 2 The structure schematic diagram of the anti-carbon deposition thermal sensitive print head provided by the embodiments of the present application is shown.

[0017] In the drawings, the same components use the same reference numerals. The drawings are not in actual proportion.

[0018] Explanation of reference numerals:

[0019] 100-prior thermal sensitive print head, 110-substrate bottom glaze, 120-heating body, 130-glass glaze,

[0020] 200-anti-carbon deposition thermal sensitive print head, 210-substrate bottom glaze, 220-heating body, 230-first layer of glass glaze, 240-second layer of glass glaze. DETAILED DESCRIPTION

[0021] The embodiments of the present application are described below in detail, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary only, and are merely intended to explain the present application, and cannot be understood as limiting the present application.

[0022] In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0023] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0024] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] In the present application, unless otherwise specifically defined and limited, the first feature "on" or "under" the second feature can be direct contact between the first and second features, or indirect contact between the first and second features through an intermediate medium. Moreover, the first feature "above", "above" and "above" of the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" of the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0026] The utility model discloses further illustrate below according to the drawings.

[0027] The utility model discloses an anti -carbon thermal sensitive print head 200 can reduce the carbon deposit amount of thermal sensitive print head as far as possible to reduce the influence of carbon deposit problem to the printing density, printing quality and service life of thermal sensitive print head.

[0028] Please refer to Figure 2 The anti -carbon thermal sensitive print head 200 provided by the utility model discloses the anti -carbon thermal sensitive print head 200 includes substrate bottom glaze 210, and the heating element 220 is printed and sintered on substrate bottom glaze 210, and the first layer glass glaze 230 is printed and sintered on the outer periphery of heating element 220 on substrate bottom glaze 210, and the second layer glass glaze 240 is printed and sintered on heating element 220 and first layer glass glaze 230.

[0029] The anti -carbon thermal sensitive print head 200 provided by the utility model discloses the anti -carbon thermal sensitive print head 200 includes substrate bottom glaze 210, and the heating element 220 is printed and sintered on substrate bottom glaze 210, and the first layer glass glaze 230 is printed and sintered on the outer periphery of heating element 220 on substrate bottom glaze 210, and the second layer glass glaze 240 is printed and sintered on heating element 220 and first layer glass glaze 230.

[0030] In the embodiment, the thickness of heating element 220 and the thickness of first layer glass glaze 230 are equal, so that the second layer glass glaze 240 printed and sintered on heating element 220 and first layer glass glaze 230 is more smooth, thereby more help reducing the carbon deposit amount of thermal sensitive print head.The thickness of first layer glass glaze 230 and the thickness of second layer glass glaze 240 are both 6.5±1mu m.

[0031] When the anti -carbon thermal sensitive print head 200 provided by the utility model discloses is needed to make, including steps:

[0032] S10: printing bottom glaze on the surface of ceramic substrate and sintering, obtaining smooth substrate bottom glaze 210;

[0033] S20: performing two gold printing sintering on the obtained substrate bottom glaze 210;

[0034] S30: performing PR exposure etching on the sintered substrate bottom glaze 210;

[0035] S40: performing busbar silver one printing sintering on the obtained substrate bottom glaze 210;

[0036] S50: performing heating element 220 printing sintering on the one busbar silver sintered substrate bottom glaze 210;

[0037] S60: busbar silver second printing sintering is performed on the substrate base glaze 210 after sintering is completed;

[0038] S70: a first layer of glass glaze 230 is printed on the obtained substrate base glaze 210 at the outer periphery of the heat generating body 220 and sintered, with a thickness of 6.5±1 μm;

[0039] S80: printing sintering of surface packaging glass is performed on the obtained heat generating body 220 and first layer of glass glaze 230, with a thickness of 6.5±1 μm after sintering;

[0040] S90: the sintered heat generating body 220 is subjected to pulse resistance correction, and then subjected to slicing, die bonding, wire bonding resin packaging, resin curing and other processes, to obtain a thermal print head.

[0041] The utility model embodiment further provides a thermal printer, the thermal printer has the anti carbon deposition thermal print head 200 provided by any one of the above embodiments. The specific structure of the anti carbon deposition thermal print head 200 is referred to the above embodiment, since the thermal printer adopts all the technical schemes of the above all embodiments, therefore at least has all the beneficial effects brought by the technical schemes of the above embodiments, here will not be repeated.

[0042] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the utility model. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, the skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples without contradiction.

Claims

1. A carbon deposit resistant thermal printhead characterized by, The anti-carbon deposition thermal sensitive print head (200) comprises a substrate base glaze (210), a heating element (220) is printed and sintered on the substrate base glaze (210), a first layer of glass glaze (230) is printed and sintered on the substrate base glaze (210) and at the outer periphery of the heating element (220), and a second layer of glass glaze (240) is printed and sintered on the heating element (220) and the first layer of glass glaze (230).

2. The carbon deposition resistant thermal printhead of claim 1, wherein The thickness of the heating element (220) is equal to the thickness of the first layer of glass glaze (230).

3. The carbon deposition resistant thermal printhead of claim 1, wherein The thickness of the first layer of glass glaze (230) and the thickness of the second layer of glass glaze (240) are both 6.5±1μm.

4. A thermal printer characterized by comprising: The thermal sensitive printer has the anti-carbon deposition thermal sensitive print head (200) as claimed in any one of claims 1 to 3.

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