Patent ID: 7098396
Filing Date: 2006-08-29
Classification: B24B,C03B,C03C,G02B,Y02P,Y10T

Abstract:
1. An apparatus, comprising: a plate having a plurality of openings therethrough, the plate having an annular groove surrounding each opening, the annular grooves surrounding the plurality of openings defining a grid of perpendicular ribs in the plate; and a plurality of windows corresponding to the plurality of openings, the plurality of windows each being transmissive to radiation having a predetermined wavelength, the plurality of windows each being fused to the plate in a manner providing an annular seal between an annular portion of the plurality of windows extending along a periphery thereof and an annular portion of the plate extending around the corresponding plurality of openings, the plurality of windows each having an identically processed surface, the plurality of windows each having an opaque layer with an aperture therethrough on one surface.