Abstract:
D R A W I N G A SUPERCONDUCTOR FORMED BY THE PHYSICAL OR GEOMETRICAL RELATIONSHIP OF TWO OR MORE MATERIALS COMPRISING A COMPOSITE STRUCTURE; THE SUPERCONDUCTIVE MEANS BEING LOCATED SUBSTANTIALLY WITHIN A MATRIX. THE SUPERCONDUCTIVE MEANS INCLUDES ELEMENTAL MATERIALS, SOLID SOLUTION METAL ALLOYS, AND/OR DIFFUSION GRADIENT METALS. THE MATRIX COMPRISES AT LEAST ONE NON-SUPERCONDUCTIVE METAL COMPONENT.
Abstract:
A METHOD OF PRODUCING HIGH RESOLUTION IMAGES FORMED OF A PLURALITY OF SMALL IMAGES PRODUCED BY PASSING RADIATION THROUGH A COLLIMATED HOLE STRUCTURE HAVING SUBSTANTIALLY RECTILINEAR SMALL CROSS SECTION PASSAGES. THE COLLIMATED HOLE STRUCTURE IS PROVIDED WITH A HIGH ASPECT RATIO OF PASSAGE LENGTH TO PASSAGE CROSS SECTION TO PROVIDE A HIGH RESOLUTION IN THE INDIVIDUAL IMAGES PRODUCED THEREBY. A MASK MAY BE FORMED ON ONE SURFACE OF THE COLLIMATED HOLE STRUCTURE HAVING AN OPENING EXPOSING PRESELECTED ONES OF THE COLLIMATED HOLE STRUCTURE PASSAGES FOR PRODUCING A COMPOSITE IMAGE DEFINING A PRESELECTED PATTERN CORRESPONDING TO THE OPENING.
Abstract:
An elastic metal filament yarn, compatible with any natural and/or synthetic filamentary yarn or composite material, consisting of a plurality of outer peripheral metal filaments and at least one central metal filament located along the axis of the filament yarn, where said outer filaments are helically twisted around the yarn axis defining a void therein, wherein the outer metal filaments will collapse toward the central filament when axial tension is applied to the yarn.
Abstract:
A flow control device formed of one or more collimated hole structures having a plurality of passages of preselected small cross-sectional area and having accurate configuration and arrangement. A plurality of such devices may be formed by cutting from a longer preform whereby the passages have accurate correspondence at the interface defined by the cut permitting the two elements to provide an accurate valving action as a function of lateral displacement therebetween. The collimated hole structure has in one form a preselected aspect ratio of the length to cross-sectional area to provide a preselected pressure drop for accurate control of fluid flow therethrough. The configuration of the passages may comprise a highly accurately rectilinear parallel configuration, as well as turned configurations and nonparallel configurations. Further, a portion of the device may be constricted to provide a corresponding constriction of the flow passage.
Abstract:
An orifice structure has one or more passages capable of controlling the amount of fluid that flows therethrough with the passage having an effective diameter ranging from 5 mils to 1 micron. The thickness of the orifice structure is at least 10 times greater than the effective passage diameter and the wall thickness of the structure is at least 5 times greater than the effective passage diameter. A general method of providing the orifice structure is to constrictively reduce the cross section of two or more material portions with a sacrificial element inserted therebetween which is also reduced in cross section. During constriction the portions are integrated into a homogenous material. After constriction the structure is cut to preselected lengths and shapes and the sacrificial element is removed therefrom. When two or more sacrificial elements are used in a parallel relationship then two or more parallel passages can be provided.
Abstract:
A collimated hole structure formed by constricting a plurality of tubular elements each provided with a core for supporting the tubular element during the constricting operation. The bundle of elements is constricted to a point where the elements effectively fuse into a substantially monolithic body. The cores are then removed, leaving a plurality of extremely small diameter, generally parallel passages in a solid body. The tubular elements may be arranged in any desired array, and thus the passages may be provided similarly in any desired array. The passages may have high aspect ratios and may be closely juxtaposed. In one illustrative application, the collimated hole structure is provided with dielectric film and utilized as an anode portion of an electrolytic capacitor. In another illustrative application, the collimated hole structure is utilized as a tip for a drilling device.
Abstract:
A METALLIC FILAMENT WHICH HAS AN EFFECTIVE DIAMETER OF LESS THAN 50 MICRONS AND IS FORMED WHILE SURROUNDED BY A SUBSEQUENTLY REMOVED SACRIFICIAL MATRIX. THE FILAMENT HAS A PRESELECTED PERIPHERAL SURFACE VARYING FROM SUBSTANTIALLY SMOOTH TO RE-ENTRANT AND A PRESELECTED SURFACE TO VOLUME RATIO. THE AREA OF THE FILAMENT ALSO HAS A CONTROLLED NON-UNIFORMITY ALONG THE LENGTH THEREOF WHICH PROVIDES AN ACCEPTABLE DIMENSIONAL TOLERANCE. THE METALLIC FILAMENT MAY BE SUBSTANTIALLY ONE METAL, BIMETALLIC OR TUBULAR.
Abstract:
A method of producing high resolution images formed of a plurality of small images produced by passing radiation through a collimated hole structure having substantially rectilinear small cross section passages. The collimated hole structure is provided with a high aspect ratio of passage length to passage cross section to provide a high resolution in the individual images produce thereby. A mask may be formed on one surface of the collimated hole structure having an opening exposing preselected ones of the collimated hole structure passages for producing a composite image defining a preselected pattern corresponding to the opening.