Patent ID: 6359325
Filing Date: 2002-03-19
Classification: H01L,Y10S

Abstract:
A method comprising the steps of:forming a multilayer structure on a substrate, the multilayer structure comprising a polycrystalline layer and a constraining layer, the polycrystalline layer comprising grains having a size distribution characterized by an average grain size; patterning the multilayer structure to form at least a first structure and a second structure, each of the first and second structures comprising the polycrystalline and constraining layers, the first and second structures having patterned edges; and locally heating at least the first structure, the constraining layer restricting thermal expansion of the polycrystalline layer of the first structure such that stresses induced in the polycrystalline layer cause substantially two-dimensional grain growth from the patterned edge of the first structure, the two-dimensional grain growth producing a third structure that is an operative component of a device chosen from the group consisting of electrical, mechanical, optical and fluid-handling devices.