Patent ID: 6669774
Filing Date: 2003-12-30
Classification: C30B,H01L,Y10T

Abstract:
A method, comprising:disposing a solution on a surface of a first layer, the solution including a first salt of a first metal, a second salt of a second metal and a third salt of a rare earth metal, at least one of the first, second and third salts being a trifluoroacetate salt; and treating the solution for less than about five hours to form a layer of an intermediate comprising a metal oxyfluoride, the layer of the intermediate having a surface adjacent the surface of the first layer and the layer of the intermediate having a plurality of volume elements, wherein defects contained within the layer of the intermediate comprise less than about 20 percent of any volume element of the layer of the intermediate defined by a projection of one square centimeter of the surface of the layer of the intermediate, and the layer of the intermediate is free of any defect having a maximum dimension of greater than about 200 microns.