Patent ID: 7282332
Filing Date: 2007-10-16
Classification: B01J,C40B,Y10T

Abstract:
1. A method of synthesizing or depositing a biopolymer on a substrate using a dispensing head with biopolymer or biomonomer fluids, the fluid dispensing head having: a reservoir chamber; multiple jets which can dispense droplets of biopolymer or biomonomer fluids onto a substrate, each jet including a delivery chamber communicating with the reservoir chamber, and including an orifice and an ejector which, when activated, causes a droplet to be ejected from the orifice; the method comprising: (a) positioning the head with the orifices facing the substrate; (b) dispensing at least one droplet from an orifice of said orifices on the substrate; (c) positioning the head with the orifices facing a cleaning station; and (d) exposing the head about the orifices to a cleaning fluid from the cleaning station.