Patent ID: 6985277
Filing Date: 2006-01-10
Classification: B82Y,G02B,H04N

Abstract:
1. A method, comprising: forming first and second sacrificial layers with a plurality of hinges formed in a hinge layer on one of the first and second sacrificial layers and with an array of mirror plates formed in a mirror plate layer on the other of the first and second sacrificial layers; wherein the mirror plates are formed with a gap between adjacent mirror plates of from 0.15 to 0.5 micrometers; wherein one of the first and second sacrificial layers is between the mirror plate layer and hinge layer and has a thickness of from 0.15 to 1.5 micrometers; forming a hinge support on the second sacrificial layer for each mirror plate for supporting the mirror plate; and removing at least a portion of one or both of the first and the second sacrificial layers using a spontaneous vapor phase chemical etchant.