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For their usefulness as high-speed materials in electrohydrodynamic (EHD) lithography. a number of low-viscosity glass-forming polymers. When compared to other methods, the use of low-viscosity polymer sheets greatly reduces the patterning time (to < 10 s), without sacrificing the excellent fidelity of the repeated structures.
Due to the quick pace of this process, a mechanism must be used to track when the EHD pattern has fully formed. In order to achieve this, the device’s leakage current is tracked, and the sigmoidal shape of the current curve is associated with the several stages of EHD pattern development.
Parallel lines and lattices with line widths of around 2 m might be steadily deposited by improving the operating settings. It was discovered that the etched operations had no impact on the predetermined size and that the printed micropatterns served as a sacrifice template for transferring microstructures into silicon substrates.
It is hoped that this straightforward method will offer an alternative to the current microfabrication procedures, enabling widespread accessibility of microscale technologies to enhance numerous research disciplines like microfluidics, biomedical chips, and microscale tissue engineering.
The Global Electrohydrodynamic lithography Market accounted for $XX Billion in 2022 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2023 to 2030.
Organic thin-film transistors (OTFTs) with small channels are a crucial part of microelectronic devices. The manufacture of OTFTs still confronts several challenges in the development of highly functioning, valuable for commerce gadgets despite the development of flexible electronics.
Here, a clear and effective method for creating flexible, small-channel organic thin-film transistor (OTFT) arrays on broad substrates without the need of photolithography is described. Large-scale micro/nanofiber-based designs can be digitally printed on flexible substrates (Si wafer or plastic), which can serve as the channel mask of TFTs instead of a photolithography reticle, using a low-cost, high-resolution mechano-electrospinning technique.
By adjusting the processing variables, such as the nozzle-to-substrate distance, applied voltage, and fluid supply, the size of the micro/nanochannel can be changed.
The devices have good electrical characteristics, including high mobilities (0.62 cm2 V1 s1) and high on/off current ratios (2.47 106) as well as the capacity to maintain stability when bent over 120 testing cycles from a bending radius of 25 mm to 2.75 mm. This digital, programmable, and trustworthy method, which is based on electrohydrodynamic lithography, makes it simple to fabricate flexible, small-channel OTFTs that may be included into flexible and wearable devices.
