Patent Number: 050200836
Section: claims

1. An arrangement comprising: a membrane of an X-ray transparent material having a first thickness;  a structurally rigid support for holding said membrane at a portion of said membrane;  said X-ray transparent material having a plurality of gaps extending at least partially through said membrane;  an X-ray opaque material included within said gaps and forming a structure with said X-ray transparent material;  said X-ray opaque material filling each of said gaps substantially entirely and extending out of said membrane.  said X-ray opaque material is a metal silicide.  said X-ray opaque material is a metal.  said gaps filled with X-ray opaque material extend only partially through said X-ray transparent material.  said gaps filled with X-ray opaque material extend only partially through said X-ray transparent material.  said gaps filled with X-ray opaque material extend only partially through said X-ray transparent material. 2. An arrangement as in claim 1, wherein: 3. An arrangement as in claim 1, wherein: 4. An arrangement as in claim 1, wherein: 5. An arrangement as in claim 2, wherein: 6. An arrangement as in claim 3, wherein: