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286 results about "Maximum dimension" patented technology

Electrical conductors formed from mixtures of metal powders and metallo-organic decomposition compounds

The present invention relates to a thick film formed of a mixture of metal powders and metallo-organic decomposition (MOD) compounds in an organic liquid vehicle and a process for advantageously applying them to a substrate by silk screening or other printing technology. The mixtures preferably contain metal flake with a ratio of the maximum dimension to the minimum dimension of between 5 and 50. The vehicle may include a colloidal metal powder with a diameter of about 10 to about 40 nanometers. The concentration of the colloidal metal in the suspension can range from about 10 to about 50% by weight. The MOD compound begins to decompose at a temperature of approximately about 200 DEG C. to promote consolidation of the metal constituents and bonding to the substrate which is complete at temperatures less than 450 DEG C. in a time less than six minutes. The mixtures can be applied by silk screening, stencilling, gravure or lithography to a polymer-based circuit board substrate for producing rigid and flexible printed wiring boards in a single operation with negligible generation of hazardous wastes. The same mixtures can be used in place of solder to assemble circuits by bonding electrical components to conductors as well as to make the conductors themselves.
Owner:PARELEC

Cable assembly for mobile media devices

Disclosed herein is a mobile media device cable assembly for connecting a mobile media device with an accessory device, e.g., a docking station, audio system (stereo) or video system (television). The cable assembly provides multi-pin connections while the device is in a case or cover. The assembly comprises a flexible cable having a plurality of wires for transmitting audio, video, data, and power signals. The plurality of wires are in communication with respective pins of multi-pin female and male connectors on either terminus of the flexible cable. A first ground return comprising a flexible wire shield encapsulates the plurality of wires, and a second ground return comprising a flexible wire shield is surrounded by the first ground return. The second ground return encapsulates and electrically isolates the wires a subset of the plurality of wires, i.e., the wires that transmit audio and video signals, to prevent electric signal crossover. In one embodiment, at least two pins of each of the female and male connectors are electrically associated with the second ground return. In another embodiment, the multi-pin male connector comprises a first printed circuit board, where one end of the board is soldered to the plurality of wires and has a maximum dimension of 16 mm, and a housing associated with the multi-pin male connector has a maximum dimension of 27 mm.
Owner:CABLEJIVE

Polarization-selectively blazed, diffractive optical element

InactiveUS20060039072A1Good effectBlaze efficiency of one polarization condition is considerably greaterPhotomechanical apparatusDiffraction gratingsMaximum dimensionElectromagnetic radiation
A polarization-selectively blazed, diffractive optical element is provided, comprising a plurality of contiguous blaze structures, which extend along a given geometrical path and each have a width (g1, g2, g3) perpendicular to their direction of extension (R1, R2, R3), said width being greater than the wavelength (X) of the electromagnetic radiation for which the diffractive optical element is designed, and each of said blaze structures comprising a plurality of individual substructures, which are arranged next to each other in the direction of extension (R1, R2, R3) according to a predetermined period (sg), said substructures providing the blaze effect and each having the shape, when viewed from above, of a closed geometrical surface whose dimension parallel to the direction of extension (R1, R2, R3) varies perpendicular to the direction of extension (R1, R2, R3), but is always smaller than the wavelength (X) of the electromagnetic radiation, and whose maximum dimension perpendicular to the direction of extension (R1, R2, R3) is greater than the wavelength (X) of the electromagnetic radiation, wherein the filling ratio (f) of the individual substructures in the direction of extension (R1, R2, R3) relative to the period (sg) is selected such, as a function of the position perpendicular to the direction of extension (R1, R2, R3), that the blaze effect is optimized for one of two mutually orthogonal polarization conditions of the electromagnetic radiation.
Owner:CARL ZEISS SMT GMBH
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