Patent ID: 6745449
Filing Date: 2004-06-08
Classification: B24B,C03B,C03C,G02B,Y02P,Y10T

Abstract:
A method, comprising the steps of:forming a plurality of windows which are each transmissive to radiation having a predetermined wavelength; fabricating a plate with a plurality of openings therethrough; fixedly securing each said window to said plate in a manner so that an annular seal is provided between an annular portion of the window extending along a periphery thereof and an annular portion of the plate extending around the opening; simultaneously processing a respective surface on each of said windows secured to said plate; and followed by the step of forming on one surface of each said window an opaque layer having an aperture therethrough; thereafter cutting from said plate a plurality of sections which each include a respective one of said windows and a respective one of said annular portions of said plate.