Curved honeycomb article, EUV apparatus having a curved...

Details Curved honeycomb article, EUV apparatus having a curved... Curved honeycomb article, EUV apparatus having a curved...

2007-03-13

2007-03-13

McNeil, Jennifer (Department: 1775)

Stock material or miscellaneous articles

Structurally defined web or sheet

Honeycomb-like

C428S073000, C250S493100, C378S034000

Reexamination Certificate

active

10882011

ABSTRACT:
The present invention provides a curved honeycomb article having a first face, a second face, and a plurality of channels formed from the first face to the second face, each channel having a channel axis, the curved honeycomb article having a width of at least about 15 cm in at least one direction in the plane normal to a channel axis at its geometrical center, each channel having a virtual channel extension associated therewith, the virtual channel extensions defining a convergence area substantially smaller than the occluded area of the curved honeycomb article. Methods for making the curved honeycomb article and apparati using the curved honeycomb article are also disclosed.

REFERENCES:
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patent: 3658974 (1972-04-01), Scholl
patent: 4242588 (1980-12-01), Silk et al.
patent: 4837794 (1989-06-01), Riordan et al.
patent: 5103641 (1992-04-01), Maus et al.
patent: 6109767 (2000-08-01), Rodriguez
patent: 6299958 (2001-10-01), St. Julien et al.
patent: 6468374 (2002-10-01), Kar et al.
patent: 6479129 (2002-11-01), Kar et al.
patent: WO99/42904 (1999-08-01), None
Newport Glass, “Fused Cellular Mirror”, available on the internet at http//www.newportglass.com/afuscelr.htm, downloaded Mar. 31, 2003.

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