Patent ID: 6038017
Filing Date: 2000-03-14
Classification: G01N,Y10T

Abstract:
A memory for storing data for access by an application program being executed on a data processing system, comprising:a certification data structure containing certification data from an epitaxial deposition process, wherein the certification data is used by the application program for analyzing the characteristics of a film on a substrate and the certification data is created by the steps of:energizing at least two light sources so that light is emitted therefrom;combining the light from the light sources;splitting the combined light into a reference arm and a signal arm;transmitting the light in the signal arm along an optical path through a flux of material being deposited on a substrate in a vacuum chamber; andcomparing the light in the reference arm to the light in the signal arm after the light in the signal arm has passed through the flux of material being deposited, wherein the comparison yields information comprising the certification data.