The University of Chicago

The United States of America As Represented by the Department of Energy

Brookhaven Science Associates, Lcc

Ali M Khounsary

John V Noonan

Ady Hershcovitch

Sushil Kumar Sharma

Elbio Rotela

A method and device for one or more small apertures, slits, nozzles and orifices, preferably having a high aspect ratio. In one embodiment, one or more alternating layers of sacrificial layers and blocking layers are deposited onto a substrate. Each sacrificial layer is made of a material which preferably allows a radiation to substantially pass through. Each blocking layer is made of a material which substantially blocks the radiation.

Method for generating small and ultra small apertures, slits, nozzles and orifices

A method for producing microstructures for use for x-ray lenses using extrusion techniques and a variable focus x-ray lens assembly are provided. An elongated strip of multiple x-ray lenses and cavities of arbitrary cross-section are produced by an extrusion step. A predefined lens profile of the multiple x-ray lenses has, for example, a parabolic profile for x-ray focusing. The elongated strip of multiple cylindrical compound x-ray lenses can be cut into multiple uniform small lengths, for example, 50 mm lengths, and positioned within a support member. Cutting the assembled support member and x-ray lenses at a selected angle provides a variable focus x-ray lens assembly.

Method of making of compound x-ray lenses and variable focus x-ray lens assembly

A plasma valve includes a confinement channel and primary anode and cathode disposed therein. An ignition cathode is disposed adjacent the primary cathode. Power supplies are joined to the cathodes and anode for rapidly igniting and maintaining a plasma in the channel for preventing leakage of atmospheric pressure through the channel.

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Hinsdale, IL, United States of America

Ali M Khounsary