High-uniformity ink-jet printing method of large-area films and printing system
A technology of inkjet printing, printing system, applied in the direction of copying/marking method, printing, etc., to achieve the effect of achieving overall uniformity and easy printing
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[0031] The present invention will be described in further detail below.
[0032] A large-area and high-uniformity thin-film inkjet printing method includes the following steps. Firstly, the substrate is cleaned and dried: the substrate is placed in a cleaning solution, the substrate is cleaned by ultrasonic vibration, and the substrate is dried after cleaning. Second, thin film printing: set printing parameters and graphics, and use a non-contact dot-jet printing system to print on the cleaned and dried substrate. The lower part of the substrate is heated while printing, and the printing ink uses low-temperature gelled ink. Finally, the film is dried: the lower part of the substrate continues to be heated to dry the film. , The boiling point of the low-temperature gelling ink solvent is 150-200°C, the viscosity is 6-10cp, the surface tension is 20-30dyne / cm, and the sintering temperature is 120-200°C. The gelation temperature is 80-90°C, and it can be filtered through a 0.22-...
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