Patent ID: 8506051
Filing Date: 2013-08-13
Classification: B41J

Abstract:
1. A process for preparing an ink jet print head front face or nozzle plate having a textured superoleophobic surface comprising: providing a silicon substrate; using photolithography to create a textured pattern in the silicon substrate; wherein the textured pattern comprises a groove pattern having a total height of about 0.5 to about 5 micrometers; or wherein the textured pattern comprises an array of pillars having a pillar height of about 0.5 to about 5 micrometers; and modifying the textured silicon surface by disposing a conformal oleophobic coating thereon; and forming an ink jet print head front face or nozzle plate from the textured oleophobic silicon material to provide an ink jet print head front face or nozzle plate having a textured superoleophobic surface.