1. A pump based on micro-engineering techniques;van de Pol,1989
2. A micromachined electrohydrodynamic (EHD) pump;Richter;Sensors and Actuators A,1991
3. E. Stemme and G. Stemme, Swedish Patent Appl. No. 9 300 604-7.
4. Micromachined nozzles fabricated with a replicative method;Smith;Conf. Proc. Micromechanics Europe 1990 (MME), Berlin, Germany,1990
5. Microfabrication of sub micron nozzles in silicon nitride;Farooqui;Micro Electro Mechanical Systems '92 (MEMS), Travemünde, Germany,1992