Patent ID: 8080279
Filing Date: 2011-12-20
Classification: B01J,B01L

Abstract:
1. A method for preparing a substrate coated micro-array support for use in a micro-array comprising the steps of: (a) providing a micro-array support having a first edge and a second edge; (b) coating at least one surface of said micro-array support with a substrate; (c) providing a dust free chamber having an inner diameter and an outer diameter; (d) positioning said support into the dust free chamber such that the first edge of the micro-array support is in proximity to the inner diameter of the dust free chamber and the second edge of the micro-array support is in proximity to the outer diameter of the chamber; (e) centrifuging the chamber at a relative centrifugal force and for a length of time until the substrate coating on the substrate coated micro-array support is thinner at the first edge than the second edge wherein the inner diameter is closer to an axis of rotation about the chamber than the outer diameter; (f) removing the micro-array support from the dust free chamber; (g) coating the at least one surface of said micro-array support with a second coat of substrate; (h) positioning said micro-array support into the dust free chamber such that the second edge of the micro-array support is in proximity to the inner diameter of the dust free chamber and the first edge of the micro-array support is in proximity to the outer diameter of the chamber; (i) centrifuging the chamber at a relative centrifugal force and for a length of time until the substrate coating on the substrate coated micro-array support is uniform; and (j) removing the micro-array support from the dust free chamber, thereby providing a double coated micro-array support having a planar film with uniform thickness across the at least one surface of the micro-array support.