Semi-automatic screen printing alignment method

Abstract

The invention discloses a semi-automatic screen printing alignment method, which comprises the following steps that an alignment base plate is provided, the shape and the size of the alignment base plate are identical to the shape and the size of a base plate to be printed, and in addition, a position of the alignment base plate corresponding to the position to be printed of the base plate to be printed is provided with an alignment pattern; the alignment base plate is placed in a sheet installing position of a screen printing clamp; a screen tool is placed above the screen printing clamp for pre-alignment so that the projection of a screen tool pattern of the screen tool in the vertical direction is coincident with the alignment pattern; the alignment base plate is taken out, and the base plate to be printed is placed in the sheet installing position of the screen printing clamp; the alignment pattern is identical to the screen tool pattern; and the screen tool is only moved in the direction vertical to the screen printing clamp after completion of the pre-alignment. Through the technical scheme, the semi-automatic screen printing is applicable to the printing of various base plate patterns.

Description

technical field [0001] The invention relates to the technical field of screen printing technology, and more specifically, relates to a semi-automatic screen printing alignment method. Background technique [0002] Screen printing is a process that uses the principle that the pattern part in the effective printing area of ​​the screen can pass through the paste, and the non-pattern part cannot pass through the paste to form a preset pattern on the substrate. There are usually two types of screen printing, namely manual printing and mechanical printing. Among them, mechanical printing means that the printing process is completed by mechanical actions, and is divided into semi-automatic screen printing and fully automatic screen printing. Today, with the development of electronic technology, screen printing is widely used in solar cell substrate electrode printing, various display substrate graphic printing and substrate circuit graphic printing, etc. [0003] Specifically, t...

AI Technical Summary

Problems solved by technology

[0004] However, semi-automatic screen printing is single-grain printing for small and medium-sized substrates. Unlike large-scale substrate printing, which can be used as alignment marks, semi-automatic screen printing can only print some graphics with specific positions on the substrate to be printed, that is, the border and the substrate to be printed. There are overlapping graphics on the border, and the graphics located in the substrate to be printed cannot be printed by semi-automatic screen printing

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