Scientists develop low-cost, multifunctional microprinter for ultrafast piezoelectric material printing

https://techxplore.com/news/2023-11-scientists-low-cost-multifunctional-microprinter-ultrafast.html

"spiny disc connected to needle and power... ink cone-jetted onto platform forming micropatterns similar to charged droplet streams ejected from tips of raindrops in thunderstorm... speed enhanced 100X... 10 μm-thick lead zirconate titanate film on 4-in. Si wafer fabricated in 10 min... affordable precision printing with features measurable at ~20 μm...microphone piezoelectric components, clinical ultrasound probes, thin-film solar, dielectric ceramics, metal nanoparticles, insulating polymers and biological molecules"

Related: A non-equivalent co-doped strategy to improve the electrical properties of piezoelectric ceramics
https://phys.org/news/2024-04-equivalent-doped-strategy-electrical-properties.html