The need for miniaturization and precise placement of the low volume droplets on different substrates (microelectronics, CMOS, cantilevers, MTPs, etc.) grew heavily over last few decades.
The printing, spotting or dispensing methods can be categorised according to the spot formation as contact and non-contact. The contact printing where the contact pins are used and is based on a direct contact of the printing needle with the printing surface. Contact printing is a preferred method in case of