CN114714787A - High-precision online printing control method for multilayer complex micro-patterns - Google Patents

Abstract

The invention discloses a high-precision online printing control method for a multilayer complex micro-pattern, which comprises the following steps: 1) firstly, numbering a plurality of flow pumps; 2) simulating and constructing a spray printing path and spray printing positions of spray heads corresponding to each flow pump according to a multilayer complex micro pattern to be spray printed; 3) according to the jet printing path and the jet printing position established in the step 2), the jet printing equipment drives the spray heads corresponding to the flow pumps to perform automatic jet printing according to the set serial numbers and the jet printing layer number, and when the serial number of the flow pump needing jet printing changes, the spray head corresponding to the flow pump with the corresponding serial number is automatically rotated to the jet printing starting point of the last spray head; 4) and 3) repeating the step 3) to finish the high-precision spray printing of the multilayer complex micro-patterns. When the multilayer printing is carried out, corresponding ink (the ink components can be different) is filled in the micro-flow pumps, the integrated multi-nozzle structure does not work simultaneously, but the nozzle structure is automatically and correspondingly changed according to the number of printing layers and the micro-flow pumps, and meanwhile, the spray printing of any complex multilayer micro-patterns can be carried out.

Description

A high-precision online printing control method for multi-layer complex micropatterns

technical field

The invention specifically relates to a high-precision online printing control method for multi-layer complex micropatterns.

Background technique

Among the current mainstream jet printing manufacturing processes, electrohydrodynamic jet printing uses electric fields to replace thermal bubbles, piezoelectric crystals and electrostatic diaphragms, and directly uses electric field force to "pull out" the ink, which is formed through the control of electric fields. Jet and droplet have the characteristics of high resolution precision and strong material adaptability, which have obvious advantages compared with other jet printing manufacturing methods. At present, with the continuous development of electrohydrodynamic jet printing technology, more and more applications have been made in flexible display screen preparation, bioengineering protein synthesis and other fields.

However, for the printing of multi-layer complex micro-patterns, using a single nozzle for printing is time-consuming and requires replacement of printing ink, resulting in low printing efficiency. However, how to accurately control it for printing with multiple nozzles is in urgent need of improvement.

SUMMARY OF THE INVENTION

Aiming at the deficiencies in the prior art, the purpose of the present invention is to provide a high-precision online printing control method for multi-layer complex micropatterns.

For achieving the above object, the present invention provides the following technical solutions:

A high-precision online printing control method for multi-layer complex micropatterns, comprising the following steps:

1) First, number multiple flow pumps;

2) According to the multi-layer complex micro-pattern to be printed, simulate the construction of the printing path and the printing position of the nozzle corresponding to each flow pump;

3) According to the printing path and printing position established in step 2), the printing equipment drives the nozzle of the corresponding flow pump to perform automatic printing according to the set number and the number of printing layers. When the number of the pump changes, automatically rotate the nozzle corresponding to the flow pump of the corresponding number to the printing starting point of the previous nozzle;

4) Repeat step 3) to complete multi-layer complex micro-pattern high-precision printing.

In step 2), the printing paths of a plurality of nozzles are established by means of simulation, and the printing paths of the plurality of nozzles are made to overlap each other to form a multi-layer complex micro-pattern to be printed.

The flow pumps are numbered sequentially. If the same flow pump has been numbered, it can be numbered in multiples of the number.

The initial position of each nozzle is determined by manual positioning, and the initial position is used as the zero point position of the nozzle for printing and stored.

One of the print heads starts to print graphics according to the print path from the print position. After completing the print path of the current print head, it automatically rotates the second print head to the position of the previous print head, and moves the rotated second print head to the previous print head. The printing position of the nozzle is re-printed according to the printing path until the high-precision printing of multi-layer complex micro-patterns is completed.

The flow pump is a micro-flow pump.

Beneficial effects of the present invention: During multi-layer printing, the three micro-flow pumps are equipped with corresponding inks (the ink composition may be different), and the integrated three-nozzle structure does not work at the same time, but automatically corresponds to the number of printing layers and the micro-flow pumps. The nozzle structure can be changed, and at the same time, any complex multi-layer micro-pattern can be printed.

Description of drawings

FIG. 1 is a schematic flow chart of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In the present invention, unless otherwise expressly specified and limited, the terms "connected", "fixed" and the like should be understood in a broad sense, for example, "fixed" may be a fixed connection, a detachable connection, or an integrated; It can be a mechanical connection or a connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be an internal communication between two elements or an interaction relationship between the two elements, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

First of all, the flow pump involved in this application is a micro-flow pump, mainly to ensure the fullness of the printing ink and the precise control of the ink flow during printing, and secondly, the nozzle involved in the application is an integrated three-nozzle structure, so as to reduce the amount of water in the nozzle structure. The ink capacity is the starting point, and then the ultimate goal of reducing ink waste during printing is achieved. Secondly, the three-nozzle structure can realize the switching of the three nozzles. Therefore, it is necessary to manually set the initial position of each nozzle, and use this position as the nozzle. The zero point calibration position is convenient for automatic switching of nozzles.

During multi-layer printing, the three micro-flow pumps are equipped with corresponding ink (the ink composition may be different). Any complex multi-layer micro-pattern printing can be carried out.

The invention discloses a high-precision online printing control method for multi-layer complex micropatterns, which comprises the following steps:

1) First, number multiple flow pumps. If the same flow pump has been numbered, it can be numbered according to the number of multiples; the preferred number of flow pumps is 3, and there are three flow pumps in total, numbered as 1, 2, 3, after printing once, the same micro pattern can still be used according to the number of 1, 2, 3, when the same micro pattern is printed for the second round, so that the original printing path is still used. , 1 corresponds to number 4, 2 corresponds to number 5, 3 corresponds to number 6, and so on;

2) According to the multi-layer complex micro-pattern to be printed, simulate the construction of the printing path and the printing position of the nozzle corresponding to each flow pump; before the printing, the path to be printed is pre-simulated according to the prepared printing pattern. For jet printing, ensure that the programmed program is jetted according to the actual micro-pattern path, and at the same time, it is determined by means of simulation whether the overlap rate and accuracy of the pattern jetted according to the set jet-printing path can meet the requirements.

3) According to the printing path and printing position established in step 2), the printing equipment drives the nozzle of the corresponding flow pump to perform automatic printing according to the set number and the number of printing layers. When the number of the micro-flow pump changes, the nozzle corresponding to the flow pump of the corresponding number will automatically rotate to the printing starting point of the previous nozzle; that is, when the number of the micro-flow pump changes, the integrated three nozzle structure will automatically rotate to the previous nozzle according to the zero point calibration position. To adjust the printing starting point and the position of the print head, by switching the corresponding print head, and performing the zero point calibration during the switching process, ensure that the switched print head is in the set zero point calibration position.

4) Repeat step 3) to complete multi-layer complex micro-pattern high-precision printing.

During the printing process, the CCD monitoring device is set to monitor the printing image in real time, obtain information such as the line width, uniformity and path of the printing pattern during the printing process, and optimize the parameters of multi-layer printing in real time according to the obtained information. .

The embodiment should not be regarded as a limitation of the present invention, but any improvements made based on the spirit of the present invention should fall within the protection scope of the present invention.

Claims (6)

1. a multi-layer complex micro-pattern high-precision online printing control method is characterized in that: it comprises the following steps: 1) First, number multiple flow pumps; 2) According to the multi-layer complex micro-pattern to be printed, simulate the construction of the printing path and the printing position of the nozzle corresponding to each flow pump; 3) According to the printing path and printing position established in step 2), the printing equipment drives the nozzle of the corresponding flow pump to perform automatic printing according to the set number and the number of printing layers. When the number of the pump changes, automatically rotate the nozzle corresponding to the flow pump of the corresponding number to the printing starting point of the previous nozzle; 4) Repeat step 3) to complete multi-layer complex micro-pattern high-precision printing. 2. The method for controlling high-precision online printing of multi-layer complex micropatterns according to claim 1, wherein in step 2), the printing paths of multiple nozzles are established by means of simulation, and the multiple nozzles are The jetting paths of the jets overlap each other to form a multi-layer complex micropattern to be jetted. 3. A kind of multi-layer complex micropattern high-precision online printing control method according to claim 1, characterized in that: the flow pumps are sequentially numbered, and the same flow pump can be numbered according to the number multiples of . 4. The high-precision online printing control method of a multi-layer complex micropattern according to claim 1, wherein the initial position of each nozzle is determined by manual positioning, and the initial position is used as the zero point of the nozzle printing location and store it. 5. A kind of multi-layer complex micropattern high-precision online printing control method according to claim 1, it is characterized in that: one of the nozzles starts from the printing position to perform graphic printing according to the printing path, and after completing the printing of the current nozzle After the path, automatically rotate the second nozzle to the position of the previous nozzle, move the second nozzle after rotation to the printing position of the previous nozzle, and re-print the pattern according to the printing path until the multi-layer complex micro-pattern is completed. Precision printing. 6 . The high-precision online printing control method for multi-layer complex micro-patterns according to claim 1 , wherein the flow pump is a micro-flow pump. 7 .

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