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What is the relationship between film switches and screen printing?

Release time:

2023-06-06 08:56

What is the relationship between film switches and screen printing? Thin film switches are one of the few independent products that use screen printing as the main process and can serve the high-tech field.
Thin film switches not only have the decorative and marking functions that traditional panels have; In addition to the switch and control functions of the switch element, the membrane switch also has the function of connecting the switch element with the host circuit's switch wire and lead wire (i.e. switch circuit), and has the function of reading display transparent window and indicator light transparent window. Therefore, the membrane switch is neither a single new panel nor a single switch element, and is an electronic complete product that integrates function and decoration, which is a novel electronic device.
Due to its simple structure, beautiful appearance, excellent environmental resistance, long service life, and light, thin, short, and small characteristics, thin film switches comply with the direction of high integration and intelligent development of modern electronic instruments, and are highly favored by high-tech products.
Strict quality inspection system
In the quality inspection of the Membrane switch, in addition to the color rendering of the ink and the color reproducibility required by the customer, more importantly, the internal quality of the Membrane switch, such as the key force, life, peel strength, and high temperature, low temperature, constant damp heat and return line resistance, insulation resistance, withstand voltage and other test indicators, should also be concerned.
Reflections on High tech Screen Printing
In addition to the above contents, there are many new contents different from traditional screen printing, such as Computer-aided design (CAD) and manual wiring design of membrane switch circuits; Design of isolation layer windows and air ducts; The application of insulating ink and its ultraviolet (UV) curing; The application of non-metallic conductor carbon paste; The working environment and storage environment of thin film switches are controlled by high-tech computer numerical control (CNC) electronic autofocus precision punch machines. Obviously, we should consider the working environment and storage environment of the thin film switch. Obviously, we should consider the structural design and material selection of thin film switches based on their working and storage environments.
Today's screen printing has developed into a new and interdisciplinary modern screen printing technology that integrates advanced technologies such as optics, mechanics, electronics, chemistry, photochemistry, microelectronics, and computers.
In the production of its panel layer, thin film switch technology not only focuses on the reproducibility of colors and the color rendering of ink, which are the decorative functions of traditional screen printing, but also needs to pay attention to the conductivity of the circuit, prevent the oxidation of silver paste circuits and the migration of silver ions, make multi-layer overpass circuits, and ensure the reliability of thin film switch products. Its high-tech content is obvious.