Application Cases

With the rapid development of technology, inkjet printing has become an indispensable part of modern production and life. In particular, the Electrohydrodynamic (EHD) inkjet printing system has gained a significant position in the printing industry due to its unique printing method. In this system, the high-voltage amplifier plays a crucial role. This article by Aigtek will explore the application of high-voltage amplifiers in EHD inkjet printing systems.

1. Overview of EHD Inkjet Printing Systems

The EHD inkjet printing system is a printing technology that utilizes electric field forces to drive ink droplet ejection. During the printing process, a high voltage is applied to induce electrohydrodynamic effects in the ink droplets under a strong electric field, enabling precise control over the position and size of the droplets. This printing method offers advantages such as high resolution, high speed, and low cost, making it widely applicable in fields such as labeling, packaging, and advertising.

2. Role of High-Voltage Amplifiers in EHD Inkjet Printing Systems

High-voltage amplifiers play a critical role in EHD inkjet printing systems. Their primary function is to convert low-voltage signals into high-voltage signals to drive the electric field of the printhead. Specifically, the roles of high-voltage amplifiers include:

1. Voltage Amplification: Amplifying low-voltage signals to sufficiently high voltages through amplification circuits to generate adequate electric field strength for driving ink droplet ejection.

2. Current Control: Precisely controlling the magnitude and waveform of the current to achieve accurate control over ink droplet ejection. This contributes to improved printing resolution and quality.

3. Circuit Protection: High-voltage amplifiers are typically equipped with protective circuits to prevent damage to the printhead due to excessive voltage or current. This helps extend the lifespan of the printhead and enhances system stability.

High-voltage amplifiers play a vital role in EHD inkjet printing systems. By converting low-voltage signals into high-voltage signals and precisely controlling current magnitude and waveform, they enable accurate ink droplet ejection, improving printing resolution and quality. When selecting a high-voltage amplifier, it is essential to comprehensively consider its performance indicators to meet the requirements of EHD inkjet printing systems. With the continuous advancement of technology, it is believed that the application of high-voltage amplifiers in inkjet printing technology will become even more extensive and profound.

Image: ATA-7000 Series High-Voltage Amplifier Specifications and Parameters