High-precision thermal bubble type ink-jet printer nozzle and processing method thereof

The invention relates to a high-precision thermal bubble type ink-jet printer nozzle and a processing method thereof, the nozzle comprises a first silicon substrate and a second silicon substrate which are bonded with each other, and a liquid spraying passage is formed between the first silicon substrate and the second silicon substrate; the liquid spraying channel comprises a liquid inlet channel, a liquid inlet storage tank, a flow limiting channel, a liquid spraying storage tank and a nozzle which are sequentially distributed in the liquid inlet direction; a first heating unit is arranged on the first silicon substrate or the second silicon substrate corresponding to the outlet of the flow limiting channel; the first silicon substrate and the second silicon substrate are provided with a first cutting head and a second cutting head corresponding to a spraying path of the nozzle, and the first cutting head and the second cutting head are opposite and are in interval fit; the high-precision electrostatic ink-