Thermal printing head heating substrate ground glaze printing preparation method

A thermal printing and primer technology, applied in printing, printing devices, etc., can solve the problems of insufficient surface flatness and uneven thickness of the glass layer.

Inactive Publication Date: 2020-07-14
HUNAN KAITONG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Based on this, it is necessary to provide a thermal printing head heating substrate primer printing method that can solve the problems of insufficient flatness and uneven thickness of the glass layer surface after printing with the existing primer fabrication technology

Method used

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Embodiment Construction

[0020] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to better understand the technical solutions of the present invention, and are not intended to limit the present invention.

[0021] A thermal printing head thermal substrate primer printing method, comprising the following steps:

[0022] An underglaze layer is fully or partially provided on the surface of the insulating substrate;

[0023] The underglaze layer adopts 60 mesh screen printing for primary printing and secondary printing;

[0024] Add diluent to the bottom glaze slurry to achieve a fixed viscosity. When firing after printing, it is fired with a temperature curve of heating-release-stabilization-heat preservation-cooling, and the temperature is raised rapidly at 900-1100 degrees to ...

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Abstract

The invention relates to a thermal printing head heating substrate ground glaze printing preparation method. The method comprises the following steps that firstly, a reduction reaction is carried outon a potassium iodide etching solution containing gold ions so as to precipitate gold metal; and then the treated potassium iodide etching solution is subjected to an iodide ion oxidation reaction, sothat iodine molecules are separated out. The gold metal and iodine molecule components in the etching solution can be effectively and continuously recovered through the method.

Description

technical field [0001] The invention relates to a method for preparing a heating substrate of a thermal printing head, in particular to a method for preparing a base glaze printing of a heating substrate of a thermal printing head. Background technique [0002] When the thermal print head is working, the heat of the print head causes the heat-sensitive medium to develop color. When heated, the color-forming layer of the heat-sensitive medium is in a molten state. During the cooling process, it is always in contact with the print head, and the melt of the chromophoric layer will stick to the print head, forming carbon deposits, which will affect the printing density and product life; in addition, the cooling of the heat-sensitive medium melt will also cause thermal print head Sticky paper, the specific performance is that the heat-sensitive media will stick to the print head to varying degrees, and cannot pass through the print head smoothly, resulting in missing lines and no...

Claims

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Application Information

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IPC IPC(8): B41M1/26B41M1/12B41J2/335
CPCB41J2/33535B41M1/12B41M1/26
Inventor 王共海蔡小辉于永辉李国春王立华刘善政
Owner HUNAN KAITONG ELECTRONICS CO LTD
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